That might not sound like much but, in a 4,100 lb sedan, 2. That’s audi r8 v10 performance territory in a car with four doors, four seats, and a big trunk. Interestingly, the bmw beats up on the audi in our 0–100–0 test, getting it done in 11. Looking at the 0–100– mph times helps explain why: 7. M5 wagon against 8. Rs6.