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AM550dDieselvsBX3Petrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM550d · X3

BMW M550d xDrive G30 vs BMW X3 xDrive30i G01: 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 2018 · Methodology
BMWDieselFaster

M550d xDrive G30

400 hp · 760 Nm · 1,955 kg · 2018

VS
BMWPetrol

X3 xDrive30i G01

252 hp · 350 Nm · 1,715 kg · 2018

Result · 0–100 km/h

ABMW M550d xDrive G30

4.66 s

Gap1.69 sin favour of M550d xDrive
BBMW X3 xDrive30i G01

6.35 s

Summary · Caralogy simulation
MeasureM550d xDrive G30X3 xDrive30i G01Gap
0–100 km/h4.66 s6.35 s1.69 s · M550d xDrive G30
400 m standing start12.92 s14.57 s1.65 s · M550d xDrive G30
1,000 m standing start23.48 s26.56 s3.08 s · M550d xDrive G30
Top speed (electronically limited)250 km/h240 km/h10 km/h · M550d xDrive G30
Power-to-weight ratio4.89 kg/hp6.81 kg/hpbetter ratio · M550d xDrive G30

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
BMWPetrolX3 xDrive30i G01
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.
StageM550d xDrive G30X3 xDrive30i G01
0–30 km/h1.26 s1.50 s
0–50 km/h2.04 s2.54 s
0–80 km/h3.41 s4.56 s
0–100 km/h4.66 s6.35 s
0–120 km/h6.21 s8.65 s
0–160 km/h10.48 s15.25 s
0–200 km/h17.02 s27.16 s
400 m standing start12.92 s14.57 s
1,000 m standing start23.48 s26.56 s
Top speed limited250 km/h240 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

M550d xDrive G30

4,89kg/hpratio better by 1,92 kg/hp
CharacteristicValueDetail
Power400 hp6 cyl
Torque760 Nm
Weight1 955 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

X3 xDrive30i G01

6,81kg/hpcompensated by −240 kg
CharacteristicValueDetail
Power252 hp4 cyl
Torque350 Nm
Weight1 715 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the M550d xDrive hits 100 km/h in 4.66 s versus 6.35 s for the X3 xDrive30i. At this point, the M550d xDrive leads by 1.69 s and sits roughly 13 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M550d xDrive is doing 143 km/h against 126 km/h for the X3 xDrive30i. The gap is 1.06 s. The challenger starts to claw back ground.

At 400 metres standing start, the M550d xDrive crosses the line in 12.91 s versus 14.56 s. The 1.65 s gap represents roughly 70 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M550d xDrive continues to build its lead. At 600 metres, it runs at 199 km/h versus 175 km/h. At 1,000 metres, the M550d xDrive finishes in 23.48 s versus 26.56 s, with a 3.08 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the M550d xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the X3 xDrive30i at 240 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 6.81 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.01 seconds. The 1.69 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, M550d xDrive G30 wins (4,66 s vs 6,35 s).

M550d xDrive G30 goes from 0 to 100 km/h in 4,66 seconds (calibrated simulation).

M550d xDrive G30: 400 hp, ratio 4,89 kg/hp. X3 xDrive30i G01: 252 hp, ratio 6,81 kg/hp.

M550d xDrive G30: 250 km/h. X3 xDrive30i G01: 240 km/h.