Over 0–100 km/h, S5 Sedan wins (4,50 s vs 4,75 s).
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
| Measure | S5 Sedan | 540i xDrive G30 | Gap |
|---|---|---|---|
| 0–100 km/h | 4.50 s | 4.75 s | 0.25 s · S5 Sedan |
| 400 m standing start | 12.80 s | 12.90 s | 0.10 s · S5 Sedan |
| 1,000 m standing start | 23.39 s | 23.23 s | 0.16 s · 540i xDrive G30 |
| Top speed (electronically limited) | 250 km/h | 250 km/h | Same |
| Power-to-weight ratio | 5.31 kg/hp | 4.88 kg/hp | better ratio · 540i xDrive G30 |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
| Stage | S5 Sedan | 540i xDrive G30 |
|---|---|---|
| 0–30 km/h | 1.11 s | 1.31 s |
| 0–50 km/h | 1.85 s | 2.19 s |
| 0–80 km/h | 3.22 s | 3.55 s |
| 0–100 km/h | 4.50 s | 4.75 s |
| 0–120 km/h | 6.11 s · tight gap | 6.21 s |
| 0–160 km/h | 10.43 s | 10.17 s |
| 0–200 km/h | 16.98 s | 16.06 s |
| 400 m standing start | 12.80 s · tight gap | 12.90 s |
| 1,000 m standing start | 23.39 s | 23.23 s |
| Top speed limited | 250 km/h | 250 km/h |
Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 367 hp | Pending |
| Torque | 550 Nm | |
| Weight | 1 950 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 7-speed S tronic |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 340 hp | 6 cyl |
| Torque | 450 Nm | |
| Weight | 1 660 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
Off the line, the S5 Sedan hits 100 km/h in 4.50 s versus 4.75 s for the 540i xDrive. At this point, the S5 Sedan leads by 0.25 s and sits roughly 7 m ahead.
At 200 metres, the S5 Sedan is doing 142 km/h against 145 km/h for the 540i xDrive. The gap is 0.20 s. The gap remains stable from the start.
At 400 metres standing start, the S5 Sedan crosses the line in 12.80 s versus 12.90 s. The 0.10 s gap represents roughly 5 m of track - barely a car length.
Past 400 metres, the situation changes. Past 400 metres, both rivals hit the same electronic ceiling at 250 (i.e. 155 mph - industry threshold) km/h. Neither can claw back ground through top speed - the outcome hinges on the acceleration curve between 100 and 250 (i.e. 155 mph - industry threshold) km/h.
At 1,000 metres, the 540i xDrive finishes in 23.22 s versus 23.38 s. The 0.16 s delta shows an extremely tight race.
Both rivals share the same electronic speed cap: the S5 Sedan and the 540i xDrive are governed to 250 (i.e. 155 mph - industry threshold) km/h. At that speed, standard-fit tyres approach their safety threshold - an industrial ceiling common to most electric vehicles in this segment. Neither car shows its true aerodynamic potential in this duel.
With two combustion powertrains, the difference comes down to power-to-weight ratio (5.31 kg/hp vs 4.88 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.06 seconds. The 0.25 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Swap one of the two models to explore an equivalent duel in the same segment.
Over 0–100 km/h, S5 Sedan wins (4,50 s vs 4,75 s).
S5 Sedan goes from 0 to 100 km/h in 4,50 seconds (calibrated simulation).
S5 Sedan: 367 hp, ratio 5,31 kg/hp. 540i xDrive G30: 340 hp, ratio 4,88 kg/hp.
S5 Sedan: 250 km/h. 540i xDrive G30: 250 km/h.