Audi Engine Horsepower Graphs . 1998 2.8 liter V6, 5 Valve Engine. 1998 4.2 liter V8 from A8. 1997 1.8 liter Turbo 4 cylinder. 1992-96 S4/S6. European S2 with 5 cylinder 20V Turbo. 1992-94 Audi 100, 2.8 liter V6. 1991 200 20V Turbo Quattro. 1990-91 Audi V8 performance. 1990-91 90 Quattro and Coupe Quattro with 20V. 1984-88 5000 Turbo and 5000 Despite Audi's claimed 20 hp advantage in the 40V, I found the 32V more willing to rev, the throttle was a lot more responsive too. It's been the same with all 40V S8's I test drove before settling on mine. The 32V also has solid tappets for the exhaust valves, which would probably account for the gruffer V8 rumble. Valvetrain is lighter. The Audi R8 debuted with a high-revving naturally aspirated 4.2-liter V8 engine that produced 414 horsepower (309 Kilowatts) and 317 lb-ft (430 Newton Meters) of torque. In fact, the 6.0 L W12 in the Audi A8L W12 is smaller in overall dimensions than the 4.2 L V8 that powers the Audi A8 4.2 variants. The 2011 Audi A8 debuted a revised 6.3-litre version of the W12 (WR12) engine with 500 PS (370 kW; 490 hp). Fuel Stratified Injection The Audi V8 4.2 has a naturally aspirated eight cylinders in V longitudinal front engine providing a maximum torque of 400 Nm available from 4000 rpm and a maximum power outpup of 280 PS available at 5800 rpm transmitted to the 15 inch all-wheel drive by a manual 6 speed gearbox. This also means that many RS4 performance parts will happily sit on the V8 R8 engine. Audi R8 V8 Tuning modifications. When talking about the best best for your V8 4.2 FSI engine, we are going to mods that give the best power gain for you spend. Altering your V8 4.2 FSI camshaft will make a dramatic difference to the engine power band. 2006 audi s4 b6 b7 4.2 L BHF engine motor Needs Work. B6 b7 Audi s4 bhf 4.2 v8 motor scored cylinder. Parts Only: Audi. $700.00. $150.00 shipping. or Best Offer. Benefits charity. Audi's first road car to use a V8 engine was the 1988 Audi V8 luxury sedan. Its first model to use a V8 diesel engine was the D2 A8 3.3 TDI in 2000. Italy Alfa Romeo. The first V8-engined Alfa Romeo road car was the 1967–1969 Alfa Romeo 33 Stradale mid-engined sports car, of which 18 were produced. 4.2 V8 of 310, 340 and 360 horsepower – Launched on the very first Audi S8 quattro, this is probably the most reliable engine on the Audi A8 D2. Attention, this is NOT the 4.2 V8 engine that was to follow, it is part of the V8 engines with timing belt and has no specific issues. 6.0 W12 of 420 horsepower – An experimental engine, limited PRICE AS TESTED: $72,466 (base price: $69,946) ENGINE TYPE: DOHC 40-valve V-8, aluminum block and heads, Bosch Motronic ME 7.0 engine-control system with port fuel injection Displacement: 255 cu 8FBl.