S5 Coupe B8

The Audi S5 Coupe B8, produced in first generation from 2007 to 2016, initially featured naturally aspirated 4.2-liter FSI V8 engine producing 350 horsepower at 7,000 rpm and 325 lb-ft torque at 3,500 rpm paired with six-speed manual transmission or six-speed Tiptronic automatic. Performance achieves 0-100 km/h acceleration in 5.1 seconds with manual and 5.4 seconds with automatic, with electronically limited top speed of 155 mph. Curb weight reaches 3,759 lbs while quattro all-wheel-drive system utilizing Torsen-based center differential ensures traction and handling capability. For 2013 model year B8.5 facelift, Audi replaced naturally aspirated V8 with supercharged 3.0-liter V6 producing 333 PS (329 horsepower) paired with seven-speed dual-clutch S-Tronic automatic transmission.

The powertrain change improved performance with V6 variant achieving 0-100 km/h in 4.9 seconds, half-second faster than V8 while dramatically improving fuel economy from 12.6 liters per 100 km to 8.9 liters per 100 km. Despite 20 horsepower reduction compared to V8, supercharged V6 delivers improved torque characteristics and efficiency while maintaining S5 performance credentials. The B8 generation established S5 as premium sport coupe combining Audi refined styling, sophisticated quattro all-wheel-drive, and strong performance competing against BMW M4 and Mercedes-AMG C63 Coupe. The combination of initially characterful naturally aspirated V8 later replaced by efficient supercharged V6, quattro all-wheel-drive providing year-round capability, premium interior appointments with sport-focused features, and handsome coupe styling makes S5 Coupe B8 compelling grand touring sport coupe offering balance of performance, luxury, and practicality.