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BMW X4 xDrive30d G02 vs BMW X4 xDrive30i G02: 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 2018 · Methodology
BMWDieselFaster

X4 xDrive30d G02

265 hp · 620 Nm · 1,820 kg · 2018

VS
BMWPetrol

X4 xDrive30i G02

252 hp · 350 Nm · 1,720 kg · 2018

Result · 0–100 km/h

ABMW X4 xDrive30d G02

5.86 s

Gap0.50 sin favour of X4 xDrive30d
BBMW X4 xDrive30i G02

6.36 s

Summary · Caralogy simulation
MeasureX4 xDrive30d G02X4 xDrive30i G02Gap
0–100 km/h5.86 s6.36 s0.50 s · X4 xDrive30d G02
400 m standing start14.18 s14.57 s0.39 s · X4 xDrive30d G02
1,000 m standing start26.05 s26.59 s0.54 s · X4 xDrive30d G02
Top speed (electronically limited)240 km/h240 km/hSame
Power-to-weight ratio6.87 kg/hp6.83 kg/hpbetter ratio · X4 xDrive30i G02

Watch the race

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

BMWDieselX4 xDrive30d G02
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrolX4 xDrive30i G02
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 xDrive30d G02X4 xDrive30i G02
0–30 km/h1.42 s · tight gap1.49 s
0–50 km/h2.29 s2.51 s
0–80 km/h4.12 s4.55 s
0–100 km/h5.86 s6.36 s
0–120 km/h8.07 s8.68 s
0–160 km/h14.44 s15.33 s
0–200 km/h25.85 s27.39 s
400 m standing start14.18 s14.57 s
1,000 m standing start26.05 s26.59 s
Top speed240 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

X4 xDrive30d G02

6,87kg/hpcompensated by −100 kg
CharacteristicValueDetail
Power265 hp6 cyl
Torque620 Nm
Weight1 820 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

X4 xDrive30i G02

6,83kg/hpratio better by 0,04 kg/hp
CharacteristicValueDetail
Power252 hp4 cyl
Torque350 Nm
Weight1 720 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X4 xDrive30d hits 100 km/h in 5.86 s versus 6.36 s for the X4 xDrive30i. At this point, the X4 xDrive30d leads by 0.50 s and sits roughly 6 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X4 xDrive30d is doing 129 km/h against 126 km/h for the X4 xDrive30i. The gap is 0.30 s. The challenger starts to claw back ground.

At 400 metres standing start, the X4 xDrive30d crosses the line in 14.18 s versus 14.57 s. The 0.39 s gap represents roughly 17 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X4 xDrive30d continues to build its lead. At 600 metres, it runs at 177 km/h versus 175 km/h. At 1,000 metres, the X4 xDrive30d finishes in 26.04 s versus 26.59 s, with a 0.54 s lead. Both vehicles have similar top speeds (240 vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X4 xDrive30d and the X4 xDrive30i are governed to 240 km/h. At that speed, standard-fit tyres approach their safety threshold - an industrial ceiling common to most electric vehicles in this segment. Neither car shows its true aerodynamic potential in this duel.

With two combustion powertrains, the difference comes down to power-to-weight ratio (6.87 kg/hp vs 6.83 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.05 seconds. The 0.50 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 xDrive30d G02 wins (5,86 s vs 6,36 s).

X4 xDrive30d G02 goes from 0 to 100 km/h in 5,86 seconds (calibrated simulation).

X4 xDrive30d G02: 265 hp, ratio 6,87 kg/hp. X4 xDrive30i G02: 252 hp, ratio 6,83 kg/hp.

X4 xDrive30d G02: 240 km/h. X4 xDrive30i G02: 240 km/h.