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BMW X4 M40i G02 vs BMW X6 xDrive30d F16: 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 · 2020 vs 2018 · Methodology
BMWPetrolFaster

X4 M40i G02

360 hp · 500 Nm · 1,865 kg · 2020

VS
BMWDiesel

X6 xDrive30d F16

258 hp · 560 Nm · 2,065 kg · 2018

Result · 0–100 km/h

ABMW X4 M40i G02

4.75 s

Gap2.00 sin favour of X4 M40i
BBMW X6 xDrive30d F16

6.75 s

Summary · Caralogy simulation
MeasureX4 M40i G02X6 xDrive30d F16Gap
0–100 km/h4.75 s6.75 s2.00 s · X4 M40i G02
400 m standing start12.99 s14.94 s1.95 s · X4 M40i G02
1,000 m standing start23.62 s27.45 s3.83 s · X4 M40i G02
Top speed (electronically limited)250 km/h230 km/h20 km/h · X4 M40i G02
Power-to-weight ratio5.18 kg/hp8.00 kg/hpbetter ratio · X4 M40i G02

Watch the race

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

BMWPetrolX4 M40i G02
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX6 xDrive30d F16
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 M40i G02X6 xDrive30d F16
0–30 km/h1.25 s1.54 s
0–50 km/h2.08 s2.54 s
0–80 km/h3.50 s4.70 s
0–100 km/h4.75 s6.75 s
0–120 km/h6.31 s9.41 s
0–160 km/h10.60 s17.18 s
0–200 km/h17.30 s32.35 s
400 m standing start12.99 s14.94 s
1,000 m standing start23.62 s27.45 s
Top speed limited250 km/h230 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 M40i G02

5,18kg/hpratio better by 2,82 kg/hp
CharacteristicValueDetail
Power360 hp6 cyl
Torque500 Nm
Weight1 865 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

X6 xDrive30d F16

8,00kg/hpcompensated by −200 kg
CharacteristicValueDetail
Power258 hp6 cyl
Torque560 Nm
Weight2 065 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the X4 M40i hits 100 km/h in 4.75 s versus 6.75 s for the X6 xDrive30d. At this point, the X4 M40i leads by 2.01 s and sits roughly 14 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X4 M40i is doing 142 km/h against 122 km/h for the X6 xDrive30d. The gap is 1.19 s. The challenger starts to claw back ground.

At 400 metres standing start, the X4 M40i crosses the line in 12.98 s versus 14.94 s. The 1.96 s gap represents roughly 79 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X4 M40i continues to build its lead. At 600 metres, it runs at 198 km/h versus 168 km/h. At 1,000 metres, the X4 M40i finishes in 23.62 s versus 27.44 s, with a 3.83 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X4 M40i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the X6 xDrive30d at 230 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 (5.18 kg/hp vs 8.00 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.98 seconds. The 2.01 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 M40i G02 wins (4,75 s vs 6,75 s).

X4 M40i G02 goes from 0 to 100 km/h in 4,75 seconds (calibrated simulation).

X4 M40i G02: 360 hp, ratio 5,18 kg/hp. X6 xDrive30d F16: 258 hp, ratio 8,00 kg/hp.

X4 M40i G02: 250 km/h. X6 xDrive30d F16: 230 km/h.