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Chevrolet S-10

From Wikipedia, the free encyclopedia

Chevrolet S-10
GMC S-15/Sonoma
98-04 Chevrolet S-10.jpg
ManufacturerGeneral Motors
Production1981–2004 (North America)
1995–2012 (2nd gen North-American S-10) 2012-present (2nd gen Colorado as S-10) (Brazil)
Body and chassis
ClassCompact pickup truck
LayoutFront engine, rear-wheel drive / four-wheel drive
PredecessorChevrolet LUV
SuccessorChevrolet Colorado / GMC Canyon

The Chevrolet S-10 is a compact pickup truck that was produced by Chevrolet. It was the first domestically built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 model year, the GMC version was known as the S-15 and later renamed the GMC Sonoma. A high-performance version was released in 1991 and given the name of GMC Syclone. The pickup was also sold by Isuzu as the Hombre from 1996 through 2000, but only in North America. There was also an SUV version, the Chevrolet S-10 Blazer/GMC S-15 Jimmy. An electric version was leased as a fleet vehicle in 1997 and 1998. Together, these pickups are often referred to as the S-series.

In North America, the S-series was replaced by the Chevrolet Colorado, GMC Canyon, and Isuzu i-Series in 2004.

The S-Series ended production in Brazil in 2012, being replaced by the Chevrolet Colorado, but still with the name S-10.

First generation (1982)

First generation
1992 Chevrolet S-10 Tahoe.jpg
Also called
  • GMC S-15
  • GMC Sonoma
Model years1982–1993
Body and chassis
  • 108.3 in (2,751 mm) (reg. cab short bed)
  • 117.9 in (2,995 mm) (reg. cab long bed)
  • 122.9 in (3,122 mm) (ext. cab short bed)

The first compact truck from the Big Three automakers was the rebadged Isuzu KB sold since 1972 as the Chevrolet LUV, and Ford quickly responded with the Mazda-built Ford Courier the same year. However, the 1973 Arab oil embargo forced GM to consider designing a domestically produced compact pickup truck.[citation needed] As usual, parts from other GM chassis lines (primarily from the GM G-body intermediates) were incorporated. Track width was similar to the former GM H-body subcompacts (Vega/Monza). The first S-series pickups were introduced in 1981 for the 1982 model year. The base engine (manufactured in Japan and imported) was a 1.9 L Isuzu four-cylinder (RPO LR1) shared with the LUV and Isuzu P'up, with a 2.8 L V6 as an option. The Chevrolet and GMC models were identical apart from the grille, tailgate and assorted insignia. An extended cab called the "Club Coupe" and "Insta-Trac" four-wheel drive were added the next year along with two new engines - a 2.0-litre four-cylinder engine (RPO LQ2) from the J-platform automobiles along with an Isuzu 2.2 L (RPO LQ7) four-cylinder diesel engine.

1991–1994 GMC Sonoma ST extended cab
1991–1994 GMC Sonoma ST extended cab

The sport utility S-10 Blazer and S-15 Jimmy debuted for 1983; GM was the first to introduce the compact sport utility, followed by Ford and then Jeep the following year. Following the popularity of the Jeep Cherokee, 4-door SUV variants were introduced in March 1990 as 1991 models alongside the badge-engineered Oldsmobile Bravada.

New heavy-duty and off-road suspensions appeared in 1984 along with a hydraulic clutch, while the big news for 1985 was the discontinuation of the Cavalier's 2.0 L OHV I4 in favor of Pontiac's 2.5 L "Iron Duke" OHV I4. The OHV-derived 2.2 L diesel engine and 1.9 L SOHC gas engine, both from Isuzu, were gone the next year, leaving just the Iron Duke and updated 2.8 L V6. A much-welcomed 4.3 L V6 was added for 1988, and anti-lock brakes came the next year.

The GMC S-15 became the GMC Sonoma in 1991, and the Sierra trim packages were dropped to avoid confusion with the new GMC Sierra full-size pickup. The GMC Syclone also appeared that year. The Sonoma GT bowed in 1992. Added to this was the 4.3 L V6 Vortec W-code engine. This generation's last year was 1993.

Appearance packages

The S-10 Baja is an optional appearance package that was put on any four-wheel drive S-10 (regular-cab with short-box, regular-cab with long box and extended-cab with short box) from 1989 to 1991. The Baja was available in three colors: Midnight Black, Apple Red and Frost White. The Baja option also included: a roll bar with off-road lights, front tubular grille guard with fog lights, tubular rear bumper, an underbody shield package (transfer case shield, front differential shield, fuel tank shield, oil pan/steering linkage shields), a suspension package, Chevrolet windshield banner, Baja decals on the box sides and one inch wide body striping. Extra cost Baja options included a cargo-net end-gate, aluminum "Outlaw" wheels and a special box-mounted spare tire carrier with aluminum wheel. In 1991 the S10 Bajas came with special "BAJA" embroidered red and grey bucket seats and unique red door panel trim.

The S-10 Cameo and Cameo EL were appearance packages available for the two-wheel drive S-10 between 1989 and 1991. When first introduced in 1989, the Cameo had three color choices; Apple Red, Frost White or Midnight Black. In 1991, two-tone paint schemes were available, as well as additional exterior features such as a wraparound front bumper with fog lamps, lower body ground-effects moldings and wheel flares, a flush-fitting tailgate valance, rear roll pan (state laws permitting), and "Cameo" lettering on the doors and tailgate. Other appearance packages included the S-10 Back Country, predecessor to the Baja, the S-10 Top Gun edition, the GMC Sonoma SST, the GMC S-15 Gypsy Magic and GMC Jimmy Magic.

Sonoma GT

Debuting in 1992, the GMC Sonoma GT was a performance package available on the two-wheel drive regular cab short bed Sonoma and was offered as an alternative lower priced version of its predecessor, the 1991 Syclone. The Sonoma GT was powered by an enhanced Vortec non turbocharged 4.3L L35 V6. It featured central multi-port fuel injection and produced 195 hp (145 kW) and 260 lb⋅ft (353 N⋅m) of torque.[1] It was equipped with a 4L60 automatic transmission and a limited-slip differential with 3.42:1 gearing. Because the Sonoma GT wasn't built as a track oriented speed demon like the Syclone, it still retained its payload capacity and towing ratings meaning that you could still use it like a pickup truck if you so desired.

Modified by Production Automotive Services of Troy, Michigan, the Sonoma GT featured a unique “Syclone inspired” cladding kit. While sharing the same front and rear bumper as the Syclone (and future 92-93 GMC Typhoon), the aero package did not have as much of an aggressive look as the Syclone but still featured bumperettes, lower door skirts, and rear quarter bed corners to round out the cladding package. GMC also decided to follow through with the Syclone theme into the interior which featured the same black and red piping door inserts and bucket seats – sans any headrest logo (the Syclone featured embroidered headrest logos), along with the same center console and shifter as seen in the Syclone. The gauge cluster was also the same setup, however due to the non turbo-charged powerplant of the Sonoma GT, the boost gauge is not included in the RPM cluster. The Sonoma GT's production only lasted for 1992.

Only 806 Sonoma GTs were ever produced in a variety of colors such as the standard monochromatic black, apple red, white, aspen blue, teal, and forest green.

Sonoma GT color breakdown;

  • 1991 Black w/ Black (1 Total)
  • Black w/ Black (406 Total)
  • Black w/ Gray (30 Total)
  • Frost White w/ Gray (107 Total)
  • Apple Red w/ Gray (179 Total)
  • Bright Teal w/ Gray (54 Total)
  • Forest Green Metallic w/ Gray (15 Total)
  • Aspen Blue w/ Gray (15 Total)

1993 Sonoma

Some 1992 and 1993 Sonomas came with a factory equipped L35 W-code engine. For 1993 no specialty labeling or limited edition tags were known to be used with the W-code engine. Production totals for these vehicles are unknown.

1991 Syclone

The Syclone was a high performance package for the 1991 model year. It came with all-wheel drive, 4-wheel anti-lock brakes, a 4.3-litre LB4 V6 with lower compression pistons, a turbocharger and water intercooler system, They produced ~280 hp. Production was limited to just 2998 units.[2]



Years Engine Power Torque
1982–1985 1.9 L LR1 Isuzu I4, 2-barrel 82 hp (61 kW; 83 PS) at 4600 rpm 101 lb⋅ft (137 N⋅m) at 3000 rpm
1983–1984 2.0 L LQ2 GM 122 I4, 2-barrel 83 hp (62 kW; 84 PS) at 4600 rpm 108 lb⋅ft (146 N⋅m) at 2400 rpm
1984–1985 2.2 L LQ7 Isuzu Diesel I4 62 hp (46 kW; 63 PS) at 4300 rpm 96 lb⋅ft (130 N⋅m) at 2200 rpm
1985–1986 2.5 L LN8 Iron Duke I4, TBI 92 hp (69 kW; 93 PS) at 4400 rpm 134 lb⋅ft (182 N⋅m) at 2800 rpm
1987-1989 92 hp (69 kW; 93 PS) at 4400 rpm 130 lb⋅ft (176 N⋅m) at 3200 rpm
1990 94 hp (70 kW; 95 PS) at 4400 rpm 130 lb⋅ft (176 N⋅m) at 3200 rpm
1991-1994 2.5 L L38 Iron Duke I4, TBI 105 hp (78 kW; 106 PS) at 4800 rpm 135 lb⋅ft (183 N⋅m) at 3200 rpm
1982 2.8 L LR2 60° V6, 2-barrel 110 hp (82 kW; 112 PS) at 4800 rpm 148 lb⋅ft (201 N⋅m) at 2000 rpm
1983-1984 110 hp (82 kW; 112 PS) at 4800 rpm 145 lb⋅ft (197 N⋅m) at 2100 rpm
1985 115 hp (86 kW; 117 PS) at 4800 rpm 150 lb⋅ft (203 N⋅m) at 2100 rpm
1986 2.8 L LL2 60° V6, TBI 125 hp (93 kW; 127 PS) at 4800 rpm 150 lb⋅ft (203 N⋅m) at 2200 rpm
1987-1993/ 125 hp (93 kW; 127 PS) at 4800 rpm 150 lb⋅ft (203 N⋅m) at 2400 rpm
1988–1992 4.3 L LB4 90° V6, TBI 160 hp (119 kW; 162 PS) at 4000 rpm 230 lb⋅ft (312 N⋅m) at 2800 rpm
1993 165 hp (123 kW; 167 PS) at 4000 rpm 235 lb⋅ft (319 N⋅m) at 2400 rpm
1992-1994 4.3 L L35 90° V6, CPI 195 hp (145 kW; 198 PS) at 4500 rpm 260 lb⋅ft (353 N⋅m) at 3600 rpm

Second generation (1994)

Second generation
1994-1997 Chevrolet S-10.jpg
Also calledGMC Sonoma
Isuzu Hombre
Production1993–2004 (North America)
1995–2012 (Brazil)
1996–2000 (Isuzu Hombre)
Model years1994–2004 (S-10/Sonoma)
1996-2000 (Isuzu Hombre)
AssemblyShreveport, Louisiana, United States
Linden, New Jersey, United States
São José dos Campos, Brazil (GM Brazil)
Shenyang, China (Jinbei GM)
DesignerJack Finegan (Brazilian version)[4]
Body and chassis
Transmission4-speed 4L60-E automatic
5-speed Borg-Warner T-5 manual (1994–95 I4)
5-speed NV1500 manual (1996+ I4)
5-speed NV3500 manual (V6)
Wheelbase108.3 in (2,751 mm) (reg. cab short bed)
117.9 in (2,995 mm) (reg. cab long bed)
122.9 in (3,122 mm) (ext. cab short bed)
Length190 in (4,826 mm) (short bed)
203 in (5,156 mm) (ext. cab)
205 in (5,207 mm) (long bed)
Width67.9 in (1,725 mm)
Height63.5 in (1,613 mm)
1998–2003 GMC Sonoma
1998–2003 GMC Sonoma
2001–2004 Chevrolet S-10 crew cab
2001–2004 Chevrolet S-10 crew cab

The second-generation trucks arrived for the 1994 model year. All of the special models (the Syclone, Typhoon, and Sonoma GT) were discontinued, but the changes to the pickup brought it in line with its major competitor the Ford Ranger. The Iron Duke 4-cylinder and 2.8 L 60° V6 engines were retired, the 4.3 L Vortec V6 was enhanced, and a new 2.2 L 4-cylinder engine (which had been introduced in 1990 on various front-wheel drive GM compact and mid-size platforms) became the engines of choice to power the second generation of S-10s. In compliance with the Clean Air Act, all second generation S-10s and Sonomas equipped with air conditioning used CFC-free R134a refrigerant beginning in the 1994 model year. The all new 1994 S-10 didn't offer any airbag, presumably as a temporary measure to economize the introduction of the new body styles, as well as to gradually phase out steering wheel designs that didn't accommodate for airbags, though the vehicle itself was slated for airbag capability.

Many of the chassis components were the same as the first generation (the control arms between the first and second generation were the same, originally sourced from GM's G-body platform), along with the steering knuckle, leaf springs, and differential assembly but suspension and axles were greatly enhanced. Lower control arms for the two-wheel drive model had 1/4-inch thicker steering stops - the second generation control arms are commonly used as an upgrade for the first generation. Sport utility models (Blazer, Jimmy, Bravada) came with thicker front and rear sway bars.

Generally, for the two-wheel drive trucks, the 8.5-inch rear end was only used when it came with both a manual transmission and the L35 W-code 4.3 L (262 cu in) V6 engine; it was an option for four-wheel drive trucks with either transmission. This was also the year that GM introduced the ZR2 off-road package.

For 1995, a driver's side air bag was added as well as daytime running lights. In 1996 the 4.3 L engine was refreshed, and a third (rear) door was added for extended cab models, along with the sportside bed option. In 1998, the exterior, interior,[5] brakes, and 2.2 L I4 engine were refreshed, along with a "next-generation" supplemental restraint system that added a passenger-side air bag. The SS package was replaced by the "Xtreme" package. In 2001, a crew cab option was added and was only available with four-wheel drive and an automatic transmission. For the 2004 model year, the regular and extended cab models were discontinued; only the crew cab model was retained.

Base two-wheel drive models came with 15 x 6.5-inch wheels with directional vents, Xtreme and ZQ8 models came with 16 x 8-inch wheels while four-wheel drive models (including the ZR2) used 15 x 7-inch wheels. The 14-inch (360 mm) wheels used on the first generation were discontinued.

1998 Restyling

For 1998, the Chevrolet S-10, GMC Sonoma, and Isuzu Hombre received a mid-cycle refresh. On the exterior, the front fascia was redesigned, and new wheel designs were added. The interior received a full redesign, with "TheftLock" anti-theft functionality for most radios, improved audio systems (including newly designed radios), new interior front door panels, an optional combination cassette and CD player radio, redesigned keyless entry remotes, a new steering wheel, dual airbags, a new instrument cluster with digital odometer and gear shift indicator for automatic transmission-equipped models, and new seat fabrics.

Crew Cab (2001-2004)

In 2001, a four-door Crew Cab configuration was introduced for the Chevrolet S-10 and GMC Sonoma. Available exclusively in LS or SLS trims, the Crew Cab included many features that were optional on other S-10 models, such as full power accessories (windows, door locks, exterior side mirrors, and keyless entry), dual front bucket seats, fifteen-inch (15"), five-spoke aluminum-alloy wheels, an A/M-F/M stereo radio with TheftLock capabilities, a single-disc CD player, and Automatic Tone Control (ATC), a six-speaker audio system, a tachometer for the instrument cluster, and air conditioning. Leather-trimmed seating surfaces were also introduced for the Crew Cab for the first time for the 2001 model year.

ZR-5 Sport Package (Crew Cab Models)

Available exclusively on the Chevrolet S-10 and GMC Sonoma LS and SLS Crew Cab models, the ZR-5 Sport Package was a sport appearance package that added black front and rear bumpers, fifteen-inch (15") machined aluminum-alloy wheels, "ZR-5" pickup side box decals to the standard S-10 and Sonoma LS and SLS Crew Cab models.


The Chevrolet S-10 SS was a high-performance version of the S-10, introduced in 1994. Fewer than 3,000 SSs were produced yearly on average.[citation needed] When introduced, the SS was only sold in three colors: Onyx Black, Summit White, and Apple Red. The SS was discontinued in 1998 and was replaced by the S-10 Xtreme for the 1999 model year.

A 4.3 L V6 (which was optional on regular S-10s) was the standard engine used in the SS, producing between 180 and 200 hp (149 kW). The SS included a limited slip differential, lowered suspension (starting with the 1996 model year), cosmetic changes such as a different grille, body-colored bumpers, 16-inch wheels (available from 1996 to 1998, similar in design to the 1991 and 1992 Camaro Z28 with Chevrolet "bowtie" logo center caps), and other minor cosmetic differences. All SS versions were regular cabs, Xtremes were available with the "third door" extended cab. A step-side version was available from 1996 to 1998 and until 2003 on the Xtreme.


The ZR2 package was an off-road package available for the second generation S-10. The ZR2 package included a 4-inch (100 mm) wider track width, a boxed ladder-type frame with modified suspension mounting points, larger wheel and axle bearings, 31-inch all-terrain tires, a suspension lift (approximately 3 inches more ground clearance versus a regular four-wheel drive S-10), upgraded Bilstein suspension, fender flares, alloy wheels, and an 8.5-inch Chevrolet 10-bolt rear differential with 3.73:1 gears and an Eaton MLocker (coded as G80).[citation needed]

Isuzu Hombre

1996–1997 Isuzu Hombre single cab
1996–1997 Isuzu Hombre single cab

In 1996, Isuzu replaced its P'up with a version of the Louisiana-built Chevrolet S-10, the Isuzu Hombre, based on the Brazilian market S-10 (the front grille and fenders are based on the Brazilian S-10 along with the truck bed sheetmetal). The Hombre differed from its GM siblings mostly in the front sheetmetal, with different lights, grille, front bumper and front fenders, which were more flared out. The rear quarter panels were also different, as they had a slight flare over the wheel well to match the front fenders. The Hombre had a much smaller range of equipment options compared to the S-10 and Sonoma; a Spacecab extended cab, V6 engine and four-wheel drive were added for 1997 and available until 1998.

Two trim levels were offered: the base S and the uplevel XS. The XS had features like a cassette tape deck, higher-grade interior fabric, a tachometer, sliding rear window, and a split 60/40 seatback. Hombres were equipped with the Chevrolet S-series 15 x 7 steel wheels (with 8 directional vents) - the Hombre wheels were painted black (the S10, Sonoma, and Blazer/Jimmy wheels were painted silver) since a majority were equipped with wheel covers with the Isuzu logo. Hombres were also available with the S-10's aluminum wheels with Isuzu center caps.

Slow sales resulted in production ending in 2000. It would be another six years before Isuzu re-entered the pick-up market with the i-Series, which formed the basis for the S-10's successor, the Colorado.

South American (2004-2012)



Years Engine Power Torque VIN letter
1994–2000, 2003 2.2 L Vortec 2200 (LN2) I4 110–120 hp (82–89 kW; 112–122 PS) @ 5200 RPM 130–140 lb⋅ft (176–190 N⋅m) @ 2800 RPM 4
2000-2002 2.2 L Vortec 2200 (L43) I4 120 hp (89 kW; 122 PS) @ 5000 RPM 140 lb⋅ft (190 N⋅m) @ 3600 RPM 5
1994 4.3 L 90° (LB4) V-6, TBI 165 hp (123 kW; 167 PS) @ 4000 RPM 235 lb⋅ft (319 N⋅m) @ 2400 RPM Z
1995 155 hp (116 kW; 157 PS) @ 4000 RPM
1994 4.3 L Vortec 4300 (L35) V-6, SCPI 200 hp (149 kW; 203 PS) @ 4500 rpm 260 lb⋅ft (353 N⋅m) @ 3600 rpm W
1995 190 hp (142 kW; 193 PS) @ 4500 rpm 260 lb⋅ft (353 N⋅m) @ 3400 rpm
1996-2002 w/ 2WD 180 hp (134 kW; 182 PS) @ 4400 RPM 245 lb⋅ft (332 N⋅m) @ 2800 RPM
1996-2002 w/ 4WD 190 hp (142 kW; 193 PS) @ 4400 RPM 250 lb⋅ft (339 N⋅m) @ 2800 RPM
1996-1999 w/ 2WD 4.3 L Vortec 4300 (LF6) V-6, MPFI 175 hp (130 kW; 177 PS) @ 4400 RPM 240 lb⋅ft (325 N⋅m) @ 2800 RPM X[7]
1996-1999 w/ 4WD 180 hp (134 kW; 182 PS) @ 4400 RPM
2003 w/ 2WD 4.3 L Vortec 4300 (LU3) V-6, MPFI 180 hp (134 kW; 182 PS) @ 4400 RPM 245 lb⋅ft (332 N⋅m) @ 2800 RPM X
2003-2004 w/ 4WD 190–200 hp (142–149 kW; 193–203 PS) @ 5400 RPM 260 lb⋅ft (353 N⋅m) @ 2800 RPM

Third generation (2012)

Third generation
Chevrolet S-10 LT 2.8 TD Crew Cab 2013 (12725976734).jpg
Also called

Although the North American version of the S-series was discontinued in 2004, the second generation S-10 was still being built in Brazil until 2012, when it was replaced by a Brazilian-built version of the Chevrolet Colorado called the S-10.

In Brazil, until 2014, the third generation S-10 offered a 2.4 L 147 hp Flexpower flex-fuel engine or a 2.8 L 180 hp Duramax diesel engine. For 2015 models, the diesel engine was refreshed, resulting in an increased power output of 200 hp. The flex-fuel (gasoline/ethanol) engine had an upgrade for some versions (LT and LTZ) and offered 206 hp with a 2.5 L LCV Ecotec with direct fuel injection. Also, for the first time in Brazil, Chevrolet offered the flex-fuel S-10 with four-wheel drive.

For the 2017 model, the S-10 received a facelift and the flex-fuel 2.4 L engine was dropped, with the remaining engine choices being unchanged. For 2018, the flex-fuel S-10 now offers an automatic transmission, currently the market trend on these vehicles in Brazil.[citation needed]

A right-hand-drive version of the 2017+ facelifted model is built at the GM Thailand plant and sold in Australia and New Zealand as the current-model Holden Colorado.


  1. ^ Schroeder, Don (December 1992). "GMC Sonoma GT". Car and Driver.
  2. ^ Strohl, Daniel (2016-03-07). "Faster than a Corvette? GMC's Syclone sport truck celebrates a quarter-century". Hemmings Daily. American City Business Journals. Archived from the original on 2019-03-27.
  3. ^ Chevrolet S-10 Product Brochures. 1982–1993.
  4. ^ "História da S10/Blazer".
  5. ^
  6. ^ Chevrolet S-10 Product Brochures. 1994–2004.
  7. ^ "Archived copy". Archived from the original on 2016-11-25. Retrieved 2016-08-16.CS1 maint: archived copy as title (link)

External links

Media related to Chevrolet S-10 at Wikimedia Commons

This page was last edited on 6 April 2021, at 02:50
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