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AX4DieselvsB225xePHEV
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  • SpecsX4 · 225xe

BMW X4 M40d G02 vs BMW 225xe Active Tourer F44: 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 2020 · Methodology
BMWDieselFaster

X4 M40d G02

326 hp · 680 Nm · 1,895 kg · 2018

VS
BMWPHEV

225xe Active Tourer F44

220 hp · 385 Nm · 1,685 kg · 2020

Result · 0–100 km/h

ABMW X4 M40d G02

4.94 s

Gap1.89 sin favour of X4 M40d
BBMW 225xe Active Tourer F44

6.83 s

Summary · Caralogy simulation
MeasureX4 M40d G02225xe Active Tourer F44Gap
0–100 km/h4.94 s6.83 s1.89 s · X4 M40d G02
400 m standing start13.29 s14.98 s1.69 s · X4 M40d G02
1,000 m standing start24.39 s27.17 s2.78 s · X4 M40d G02
Top speed (electronically limited)250 km/h202 km/h48 km/h · X4 M40d G02
Power-to-weight ratio5.81 kg/hp7.66 kg/hpbetter ratio · X4 M40d G02

Watch the race

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

BMWDieselX4 M40d G02
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPHEV225xe Active Tourer F44
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.
StageX4 M40d G02225xe Active Tourer F44
0–30 km/h1.25 s1.71 s
0–50 km/h2.02 s2.85 s
0–80 km/h3.53 s4.87 s
0–100 km/h4.94 s6.83 s
0–120 km/h6.72 s9.24 s
0–160 km/h11.71 s16.29 s
0–200 km/h19.89 s29.14 s
400 m standing start13.29 s14.98 s
1,000 m standing start24.39 s27.17 s
Top speed limited250 km/h202 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

X4 M40d G02

5,81kg/hpratio better by 1,85 kg/hp
CharacteristicValueDetail
Power326 hp6 cyl
Torque680 Nm
Weight1 895 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

225xe Active Tourer F44

7,66kg/hpcompensated by −210 kg
CharacteristicValueDetail
Power220 hp3 cyl
Torque385 Nm
Weight1 685 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox6-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X4 M40d hits 100 km/h in 4.94 s versus 6.83 s for the 225xe Active Tourer. Despite lacking instant torque, 326 hp of power compensates. At this point, the X4 M40d leads by 1.89 s and sits roughly 19 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X4 M40d is doing 137 km/h against 124 km/h for the 225xe Active Tourer. The gap is 1.20 s. The challenger starts to claw back ground.

At 400 metres standing start, the X4 M40d crosses the line in 13.29 s versus 14.97 s. The 1.69 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 X4 M40d continues to build its lead. At 600 metres, it runs at 190 km/h versus 172 km/h. At 1,000 metres, the X4 M40d finishes in 24.38 s versus 27.17 s, with a 2.79 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X4 M40d is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 225xe Active Tourer at 202 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.70 seconds. The 1.89 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, X4 M40d G02 wins (4,94 s vs 6,83 s).

X4 M40d G02 goes from 0 to 100 km/h in 4,94 seconds (calibrated simulation).

X4 M40d G02: 326 hp, ratio 5,81 kg/hp. 225xe Active Tourer F44: 220 hp, ratio 7,66 kg/hp.

X4 M40d G02: 250 km/h. 225xe Active Tourer F44: 202 km/h.