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A540dvsBA6 50Diesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs540d · A6 50

BMW 540d xDrive G30 vs Audi A6 50 TDI quattro: which is truly faster?

Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.

grand tourer · 2018 vs 2020 · Methodology
BMWDieselFaster

540d xDrive G30

320 hp · 680 Nm · 1,735 kg · 2018

VS
AudiDiesel

A6 50 TDI quattro

286 hp · 620 Nm · 1,870 kg · 2020

Result · 0–100 km/h

ABMW 540d xDrive G30

4.79 s

Gap0.87 sin favour of 540d xDrive
BAudi A6 50 TDI quattro

5.65 s

Summary · Caralogy simulation
Measure540d xDrive G30A6 50 TDI quattroGap
0–100 km/h4.79 s5.65 s0.87 s · 540d xDrive G30
400 m standing start13.07 s13.95 s0.88 s · 540d xDrive G30
1,000 m standing start23.77 s25.63 s1.86 s · 540d xDrive G30
Top speed (electronically limited)250 km/h250 km/hSame
Power-to-weight ratio5.42 kg/hp6.54 kg/hpbetter ratio · 540d xDrive G30

Watch the race

Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.

BMWDiesel540d xDrive G30
Speed
0km/h
Timer
0,00s
Distance
0m
AudiDieselA6 50 TDI quattro
Speed
0km/h
Timer
0,00s
Distance
0m
100 m
200 m
300 m
400 m
500 m
600 m
700 m
800 m
900 m
1000 m
0m → 1000m
Gap0m

Stage-by-stage comparison

Simulated performance at each stage. Best value in bold.
Stage540d xDrive G30A6 50 TDI quattro
0–30 km/h1.25 s1.17 s · tight gap
0–50 km/h2.02 s2.00 s · tight gap
0–80 km/h3.46 s3.89 s
0–100 km/h4.79 s5.65 s
0–120 km/h6.44 s7.84 s
0–160 km/h10.94 s13.97 s
0–200 km/h17.75 s23.80 s
400 m standing start13.07 s13.95 s
1,000 m standing start23.77 s25.63 s
Top speed limited250 km/h250 km/h

Parameters and assumptions

Simulation

Start
Standing, straight line
Surface
Dry asphalt, 23°C
Wind
None
Driver
1 person, 75 kg

Calibration

Splits
0–100, 0–200 manufacturer
Power curve
Real measurement (Caralogy)
VMax
Manufacturer limited
Transmission
Losses integrated in model

Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

BMW

540d xDrive G30

5,42kg/hpratio better by 1,12 kg/hp
CharacteristicValueDetail
Power320 hp6 cyl
Torque680 Nm
Weight1 735 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
Audi

A6 50 TDI quattro

6,54kg/hpcompensated by −135 kg
CharacteristicValueDetail
Power286 hpPending
Torque620 Nm
Weight1 870 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic

The start: 0 to 100 km/h

Off the line, the 540d xDrive hits 100 km/h in 4.79 s versus 5.65 s for the A6 50 TDI quattro. At this point, the 540d xDrive leads by 0.87 s and sits roughly 3 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 540d xDrive is doing 141 km/h against 129 km/h for the A6 50 TDI quattro. The gap is 0.46 s. The challenger starts to claw back ground.

At 400 metres standing start, the 540d xDrive crosses the line in 13.07 s versus 13.94 s. The 0.88 s gap represents roughly 38 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 540d xDrive continues to build its lead. At 600 metres, it runs at 196 km/h versus 180 km/h. At 1,000 metres, the 540d xDrive finishes in 23.77 s versus 25.62 s, with a 1.86 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 250 (i.e. 155 mph - industry threshold) km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the 540d xDrive and the A6 50 TDI quattro 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 (5.42 kg/hp vs 6.54 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.15 seconds. The 0.87 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of 540d xDrive G30
BMW 530dBMW 530dBMW 530d xDrive
Instead of A6 50 TDI quattro
Audi A6 Sedan TDI quattro S tronic 220 kW

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540d xDrive vs A6 Sedan TDI quattro S tronic 220 kW

AudiVSBMW

A6 50 TDI quattro vs 530d

Frequently asked questions

Over 0–100 km/h, 540d xDrive G30 wins (4,79 s vs 5,65 s).

540d xDrive G30 goes from 0 to 100 km/h in 4,79 seconds (calibrated simulation).

540d xDrive G30: 320 hp, ratio 5,42 kg/hp. A6 50 TDI quattro: 286 hp, ratio 6,54 kg/hp.

540d xDrive G30: 250 km/h. A6 50 TDI quattro: 250 km/h.