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BMW X3 M40i G01 vs BMW X3 xDrive30d 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.

family SUV · 2018 vs 2021 · Methodology
BMWPetrolFaster

X3 M40i G01

354 hp · 500 Nm · 1,810 kg · 2018

VS
BMWDiesel

X3 xDrive30d G01

286 hp · 650 Nm · 1,930 kg · 2021

Result · 0–100 km/h

ABMW X3 M40i G01

4.76 s

Gap0.86 sin favour of X3 M40i
BBMW X3 xDrive30d G01

5.62 s

Summary · Caralogy simulation
MeasureX3 M40i G01X3 xDrive30d G01Gap
0–100 km/h4.76 s5.62 s0.86 s · X3 M40i G01
400 m standing start13.02 s13.96 s0.94 s · X3 M40i G01
1,000 m standing start23.71 s25.66 s1.95 s · X3 M40i G01
Top speed (electronically limited)250 km/h245 km/h5 km/h · X3 M40i G01
Power-to-weight ratio5.11 kg/hp6.75 kg/hpbetter ratio · X3 M40i G01

Watch the race

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

BMWPetrolX3 M40i G01
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX3 xDrive30d 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.
StageX3 M40i G01X3 xDrive30d G01
0–30 km/h1.28 s · tight gap1.33 s
0–50 km/h2.13 s · tight gap2.17 s
0–80 km/h3.52 s3.95 s
0–100 km/h4.76 s5.62 s
0–120 km/h6.33 s7.75 s
0–160 km/h10.65 s13.82 s
0–200 km/h17.58 s24.31 s
400 m standing start13.02 s13.96 s
1,000 m standing start23.71 s25.66 s
Top speed limited250 km/h245 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

X3 M40i G01

5,11kg/hpratio better by 1,64 kg/hp
CharacteristicValueDetail
Power354 hp6 cyl
Torque500 Nm
Weight1 810 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

X3 xDrive30d G01

6,75kg/hpcompensated by −120 kg
CharacteristicValueDetail
Power286 hp6 cyl
Torque650 Nm
Weight1 930 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X3 M40i hits 100 km/h in 4.76 s versus 5.62 s for the X3 xDrive30d. At this point, the X3 M40i leads by 0.86 s and sits roughly 5 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 M40i is doing 142 km/h against 130 km/h for the X3 xDrive30d. The gap is 0.52 s. The challenger starts to claw back ground.

At 400 metres standing start, the X3 M40i crosses the line in 13.01 s versus 13.96 s. The 0.95 s gap represents roughly 42 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X3 M40i continues to build its lead. At 600 metres, it runs at 197 km/h versus 180 km/h. At 1,000 metres, the X3 M40i finishes in 23.71 s versus 25.66 s, with a 1.95 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 245 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X3 M40i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the X3 xDrive30d at 245 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 (5.11 kg/hp vs 6.75 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.01 seconds. The 0.86 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.

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Audi SQ5 Sportback

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Frequently asked questions

Over 0–100 km/h, X3 M40i G01 wins (4,76 s vs 5,62 s).

X3 M40i G01 goes from 0 to 100 km/h in 4,76 seconds (calibrated simulation).

X3 M40i G01: 354 hp, ratio 5,11 kg/hp. X3 xDrive30d G01: 286 hp, ratio 6,75 kg/hp.

X3 M40i G01: 250 km/h. X3 xDrive30d G01: 245 km/h.