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9ff GT9
9ff GT9-CS - Front - RWD Cars - Hockenheim 2012.png
9ff GT9-CS by RWD Cars
Manufacturer9ff Fahrzeugtechnik GmbH
Production2007–2008 (GT9)
2008 (GT9-R)
2011 (GT9-CS)
AssemblyDortmund, Germany
Body and chassis
ClassSports car (S)
Body style2-door coupé
LayoutMR layout
PlatformPorsche 997 GT3
RelatedPorsche 997
Ruf CTR3
Engine4.0L twin-turbocharged H6 (GT9)
4.0L twin-turbocharged H6 (GT9-R)
3.6L twin-turbocharged H6 (GT9-CS)
Power output987 bhp (736 kW; 1,001 PS) (GT9)
1,120 bhp (835 kW; 1,136 PS) (GT9-R)
738 bhp (550 kW; 748 PS) (GT9-CS)
Transmission6-speed manual
6-speed sequential manual[1]
5-speed tiptronic[1]
Wheelbase2,650 mm (104.3 in)
Length4,733 mm (186.3 in)
Width1,860 mm (73.2 in)
Height1,180 mm (46.5 in)
Kerb weight1,326 kg (2,923 lb) (GT9/GT9-R)
1,240 kg (2,734 lb) (GT9-CS)

The 9ff GT9 is a sports car based loosely on the Porsche 911,[2] built by German tuning company 9ff, founded by Jan Fatthauer. Based on the Porsche 911 (997) GT3; the cars are extensively rebuilt and fitted with a heavily modified 3.6-4.0 litre flat 6 engine that produces 738 to 1,120 bhp (550 to 835 kW; 748 to 1,136 PS), depending on the configuration.[3] One of the major differences from a normal 911 is the positioning of the engine; whilst every 911 throughout Porsche's history (excluding the Porsche 911 GT1 race car) has been rear-engined, the GT9 is mid-engined for better weight distribution.

It takes the 9ff 3.8 seconds (from a rolling start) or 5.2 seconds (from a standing start) to reach 100 km/h (62 mph), and 17.6 seconds to reach 300 km/h (190 mph).[4] The top speed of the original GT9 is 409 km/h (254 mph).[3][5] This was faster than the original Bugatti Veyron, but slower than both the SSC Ultimate Aero TT and the Bugatti Veyron Super Sport.

The interior of the car has been stripped out for lightness and thus was very basic compared to a standard 911 GT3. All GT9s had blue leather, square patterned interior trim, with a roll cage for safety. A carbon fibre and kevlar construction helps further in weight savings.

9ff stated that only 150 GT9s would be produced, and only 20 of those would have the most powerful engine. Prices ranged between £150,000 and £540,000 depending on engine and options,[5] with all of them already sold by the time the car was launched in the market.

9ff GT9-R

The GT9-R was a high performance variant of the GT9, offering up to 1,120 bhp (840 kW; 1,140 PS) from a 4.0L twin-turbocharged flat-6 engine. It was designed to take the speed record for a street legal car from the Bugatti Veyron, with a claimed speed of 420 km/h (260 mph), although this was never tested.[3]

It accelerates from 0–100 km/h (62 mph) in 2.9s and 0–300 km/h (190 mph) in under 16s.[6] Only 20 examples of the GT9-R were produced.[3]

9ff GT9-CS

At the 2011 Essen Motor Show, 9ff brought out the third version of the car, the GT9-CS, built as a one-off.[7] This car used the Stage 1 3.6L twin-turbocharged flat-6 engine, thus producing 738 bhp (550 kW; 748 PS),[8] and was designed specifically as a track-day car. A further 86 kg (190 lb) of weight was removed from the car, and several changes were made - a new rear wing, front splitter, and revised air intakes.[9]


  1. ^ a b Viknesh Vijayenthiran (14 December 2009). "9ff releases final specs for 257 mph GT9-R super car". Motor Authority. Retrieved 1 May 2018.
  2. ^ "Porsche 911 9ff guns for 254mph". EVO. Dennis Publishing. 26 March 2007. 900bhp-plus GT9 has Veyron’s record in its sights
  3. ^ a b c d "GT9-R – is this the world's fastest production car?". KVcar.
  4. ^ Melissen, Wouter (25 March 2008). "9ff GT9".
  5. ^ a b Siler, Wes (9 May 2008). "9ff GT9 Hits 254mph, Still Not World's Fastest Car". Jalopnik.
  6. ^ Melissen, Wouter (18 December 2008). "9ff GT9-R".
  7. ^ "Car Spotlight>> 9ff Gt9-cs". Speedhunters. December 6, 2011.
  8. ^ "2011 9ff GT9-CS - Images, Specifications and Information".
  9. ^ "All Automotive Brands |'s Full List of Carmakers".
This page was last edited on 23 August 2019, at 17:42
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