Over 0–100 km/h, M340i xDrive G20 wins (4,32 s vs 7,79 s).
Performance comparison
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
Simulation
Calibration
Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.
| M340i xDrive G20 | A4 40 TDI | |
|---|---|---|
| 0–100 km/h | 4,32 s−3,47 s | 7,79 s |
| 400 m standing start | 12,47 s−3,30 s | 15,77 s |
| 1,000 m standing start | 22,65 s−5,44 s | 28,09 s |
| Top speed (electronically limited) | 250 km/h+8 km/h | 242 km/h |
| Power-to-weight ratio | 4,77 kg/hpbetter ratio | 8,29 kg/hp |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
Simulated performance at each stage. Winner in green.
| Palier | M340i xDrive G20 | A4 40 TDI |
|---|---|---|
| 0–30 km/h | 1,04 s | 2,16 s |
| 0–50 km/h | 1,73 s | 3,61 s |
| 0–80 km/h | 3,05 s | 5,84 s |
| 0–100 km/h | 4,32 s | 7,79 s |
| 0–120 km/h | 5,76 s | 10,28 s |
| 0–160 km/h | 9,55 s | 17,57 s |
| 0–200 km/h | 15,10 s | 30,63 s |
| 400 m standing start | 12,47 s | 15,77 s |
| 1,000 m standing start | 22,65 s | 28,09 s |
| Top speed limited | 250 km/h | 242 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 382 hp | Pending |
| Torque | 500 Nm | |
| Weight | 1 823 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | Eight-speed Steptronic transmission |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 190 hp | Pending |
| Torque | 400 Nm | |
| Weight | 1 575 kg | manufacturer kerb weight |
| Drivetrain | Traction | |
| Gearbox | 7-speed S tronic |
Off the line, the Bmw M340i xDrive hits 100 km/h in 4.32 s versus 7.79 s for the A4 40 TDI. At this point, the Bmw M340i xDrive leads by 3.47 s and sits roughly 32 m ahead.
At 200 metres, the Bmw M340i xDrive is doing 147 km/h against 122 km/h for the A4 40 TDI. The gap is 2.42 s. The challenger starts to claw back ground.
At 400 metres standing start, the Bmw M340i xDrive crosses the line in 12.46 s versus 15.77 s. The 3.30 s gap represents roughly 132 m of track - a gap visible to the naked eye.
Past 400 metres, the Bmw M340i xDrive continues to build its lead. At 600 metres, it runs at 206 km/h versus 171 km/h. At 1,000 metres, the Bmw M340i xDrive finishes in 22.65 s versus 28.08 s, with a 5.43 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 242 km/h), preventing any comeback.
The Bmw M340i xDrive features all-wheel drive (AWD) against the A4 40 TDI’s FWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.
Electronically capped at 250 (i.e. 155 mph - industry threshold) km/h, the Bmw M340i xDrive never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor - it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.
With two combustion powertrains, the difference comes down to power-to-weight ratio (4.77 kg/hp vs 8.29 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.76 seconds. The 3.47 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, M340i xDrive G20 wins (4,32 s vs 7,79 s).
M340i xDrive G20 goes from 0 to 100 km/h in 4,32 seconds (calibrated simulation).
M340i xDrive G20: 382 hp, ratio 4,77 kg/hp. A4 40 TDI: 190 hp, ratio 8,29 kg/hp.
M340i xDrive G20: 250 km/h. A4 40 TDI: 242 km/h.