Aller au contenu principal
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRDEESIT
© 2026 Caralogy · All rights reserved
Home›Duel›BMW M550d vs Audi A6

Performance comparison

BMW M550d xDrive G30 vs Audi A6 Avant: 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.

BMWDieselFaster

M550d xDrive G30

400 hp · 760 Nm · 1,955 kg · 2018

VS
AudiDiesel

A6 Avant

204 hp · 400 Nm · 2,000 kg · 2026

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

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.

M550d xDrive G30A6 Avant
0–100 km/h4,66 s−2,34 s7,00 s
400 m standing start12,92 s−2,10 s15,02 s
1,000 m standing start23,48 s−4,50 s27,98 s
Top speed (electronically limited)250 km/h+12 km/h238 km/h
Power-to-weight ratio4,89 kg/hpbetter ratio9,80 kg/hp

Watch the race

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

BMWDieselM550d xDrive G30
Speed
0km/h
Timer
0,00s
Distance
0m
AudiDieselA6 Avant
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. Winner in green.

PalierM550d xDrive G30A6 Avant
0–30 km/h1,26 s1,08 s
0–50 km/h2,04 s2,10 stight gap
0–80 km/h3,41 s4,60 s
0–100 km/h4,66 s7,00 s
0–120 km/h6,21 s10,04 s
0–160 km/h10,48 s19,37 s
0–200 km/h17,02 s34,70 s
400 m standing start12,92 s15,02 s
1,000 m standing start23,48 s27,98 s
Top speed limited250 km/h238 km/h

Under the bonnet

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

BMW

M550d xDrive G30

4,89kg/hpratio better by 4,92 kg/hp
CharacteristicValueDetail
Power400 hp6 cyl
Torque760 Nm
Weight1 955 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
Audi

A6 Avant

9,80kg/hp
CharacteristicValueDetail
Power204 hpPending
Torque400 Nm
Weight2 000 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox7-speed S tronic

The start: 0 to 100 km/h

Off the line, the Bmw M550d xDrive hits 100 km/h in 4.66 s versus 7.00 s for the A6 Avant. At this point, the Bmw M550d xDrive leads by 2.34 s and sits roughly 7 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Bmw M550d xDrive is doing 143 km/h against 117 km/h for the A6 Avant. The gap is 1.11 s. The challenger starts to claw back ground.

At 400 metres standing start, the Bmw M550d xDrive crosses the line in 12.91 s versus 15.02 s. The 2.11 s gap represents roughly 82 m of track — a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Bmw M550d xDrive continues to build its lead. At 600 metres, it runs at 199 km/h versus 161 km/h. At 1,000 metres, the Bmw M550d xDrive finishes in 23.48 s versus 27.98 s, with a 4.50 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph — industry threshold) vs 238 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Bmw M550d xDrive is capped at 250 (i.e. 155 mph — industry threshold) km/h, the A6 Avant at 238 km/h. This isn’t a physical engine limit — it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.

With two combustion powertrains, the difference comes down to power-to-weight ratio (4.89 kg/hp vs 9.80 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 2.34 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 M550d xDrive G30
Alfa Romeo Giulia QuadrifoglioVolvo XC40 Recharge Twin AWDAudi A6 Sedan TFSI quattro S tronic 270 kW
Instead of A6 Avant
Bmw 330d xDrive TouringBmw 530d xDrive TouringBmw 530d Touring

Autres duels qui pourraient vous intéresser

BmwVSXiaomi

M550d xDrive vs SU7 RWD Standard

BmwVSVolvo

M550d xDrive vs XC40 B4

BmwVSVolvo

M550d xDrive vs S90 B5 AWD

AudiVSBmw

A6 Avant vs 540i xDrive

Frequently asked questions

Sur 0–100 km/h, M550d xDrive G30 gagne (4,66 s vs 7,00 s).

M550d xDrive G30 passe de 0 à 100 km/h en 4,66 secondes (simulation calibrée).

M550d xDrive G30 : 400 hp, ratio 4,89 kg/hp. A6 Avant : 204 hp, ratio 9,80 kg/hp.

M550d xDrive G30 : 250 km/h. A6 Avant : 238 km/h.