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AX4DieselvsBX4Petrol
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  • SpecsX4 · X4

BMW X4 xDrive20d G02 vs BMW X4 xDrive20i 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
BMWDiesel

X4 xDrive20d G02

190 hp · 400 Nm · 1,740 kg · 2018

VS
BMWPetrol

X4 xDrive20i G02

184 hp · 290 Nm · 1,720 kg · 2018

Result · 0–100 km/h

ABMW X4 xDrive20d G02

8.24 s

Gap0.04 sNot a significant gap
BBMW X4 xDrive20i G02

8.28 s

Summary · Caralogy simulation
MeasureX4 xDrive20d G02X4 xDrive20i G02Gap
0–100 km/h8.24 s8.28 s0.04 s · X4 xDrive20d G02
400 m standing start16.09 s16.05 s0.04 s · X4 xDrive20i G02
1,000 m standing start29.57 s29.55 s0.02 s · X4 xDrive20i G02
Top speed (electronically limited)212 km/h215 km/h3 km/h · X4 xDrive20i G02
Power-to-weight ratio9.16 kg/hp9.35 kg/hpbetter ratio · X4 xDrive20d G02

Watch the race

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

BMWDieselX4 xDrive20d G02
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrolX4 xDrive20i 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 xDrive20d G02X4 xDrive20i G02
0–30 km/h1.79 s1.62 s
0–50 km/h3.00 s2.88 s · tight gap
0–80 km/h5.66 s · tight gap5.67 s
0–100 km/h8.24 s · tight gap8.28 s
0–120 km/h11.69 s · tight gap11.72 s
0–160 km/h22.31 s · tight gap22.36 s
0–200 km/h52.15 s49.26 s
400 m standing start16.09 s16.05 s · tight gap
1,000 m standing start29.57 s29.55 s · tight gap
Top speed212 km/h215 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 xDrive20d G02

9,16kg/hpratio better by 0,19 kg/hp
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 740 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

X4 xDrive20i G02

9,35kg/hp
CharacteristicValueDetail
Power184 hp4 cyl
Torque290 Nm
Weight1 720 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X4 xDrive20d hits 100 km/h in 8.24 s versus 8.28 s for the X4 xDrive20i. The 0.04 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the X4 xDrive20i is doing 113 km/h against 113 km/h for the X4 xDrive20d. The gap is 0.06 s. The gap remains stable from the start.

At 400 metres standing start, the X4 xDrive20i crosses the line in 16.05 s versus 16.09 s. The 0.04 s gap represents roughly 1 m of track

Beyond 400 metres: top speed comes into play

Past 400 metres, nothing changes. Same ceiling, same acceleration, same trajectory - both rivals run in formation to the line. The 0.02 s gap at 1,000 metres confirms what the specs already suggested: on track, they’re interchangeable. The real contest happens elsewhere - range, comfort, charging network reliability.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X4 xDrive20d and the X4 xDrive20i are governed to 213 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 (9.16 kg/hp vs 9.35 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.81 seconds. The 0.04 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 xDrive20d G02 and X4 xDrive20i G02 are neck and neck (8,24 s vs 8,28 s, no significant gap).

X4 xDrive20d G02 goes from 0 to 100 km/h in 8,24 seconds (calibrated simulation).

X4 xDrive20d G02: 190 hp, ratio 9,16 kg/hp. X4 xDrive20i G02: 184 hp, ratio 9,35 kg/hp.

X4 xDrive20d G02: 212 km/h. X4 xDrive20i G02: 215 km/h.