A more powerful internal combustion engine, larger upgraded brakes, firmer suspension, larger roadwheels, and distinctive sheetmetal,[citation needed] styling clues and badging have always been amongst the many upgrades the S4 receives over its mainstream 100 and A4 siblings. In markets where the even higher-performance Audi RS4 is not offered, the S4 is the top-of-the-line trim of the A4 family.
The 2012 Audi A3
Like its regular A4 counterpart, all S4 variants have had longitudinally oriented, front-mounted engines. A single turbocharged 2.2 litre inline five-cylinder powered the original C4 version, and a 2.7 litre 'biturbo' V6 engine was found in the B5 generation. The B6 and B7 versions shared a common 4.2 litre V8 engine, the first time that a V8 engine was placed in a compact executive car, placing it in direct competition with the BMW M3 which at the time had a 3.2 L inline 6. The recently introduced B8 generation uses a supercharged 3.0 litre V6 TFSI engine and competes with the BMW 335i.
From the outside the Audi S4
All versions of the S4 have their transmission mounted immediately at the rear of the engine in a longitudinal orientation, in the form of a transaxle, and like all Audi "S" cars, are only available as standard with Audi's quattro four-wheel drive (4WD) system, using a Torsen-based centre diff system.
2012 Audi S4 Premium Plus
Audi S4 - Wikipedia, the free
The new Audi S4 looks nearly
Review: 2010 Audi S4
The 2012 Audi A3
Like its regular A4 counterpart, all S4 variants have had longitudinally oriented, front-mounted engines. A single turbocharged 2.2 litre inline five-cylinder powered the original C4 version, and a 2.7 litre 'biturbo' V6 engine was found in the B5 generation. The B6 and B7 versions shared a common 4.2 litre V8 engine, the first time that a V8 engine was placed in a compact executive car, placing it in direct competition with the BMW M3 which at the time had a 3.2 L inline 6. The recently introduced B8 generation uses a supercharged 3.0 litre V6 TFSI engine and competes with the BMW 335i.
From the outside the Audi S4
All versions of the S4 have their transmission mounted immediately at the rear of the engine in a longitudinal orientation, in the form of a transaxle, and like all Audi "S" cars, are only available as standard with Audi's quattro four-wheel drive (4WD) system, using a Torsen-based centre diff system.
2012 Audi S4 Premium Plus
Audi S4 - Wikipedia, the free
The new Audi S4 looks nearly
Review: 2010 Audi S4
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