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AX5HybridvsBX4Diesel
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  • SpecsX5 · X4

BMW X5 xDrive40d G05 vs BMW X4 xDrive30d 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.

large SUV · 2020 vs 2021 · Methodology
BMWHybridFaster

X5 xDrive40d G05

340 hp · 700 Nm · 2,200 kg · 2020

VS
BMWDiesel

X4 xDrive30d G02

286 hp · 650 Nm · 1,930 kg · 2021

Result · 0–100 km/h

ABMW X5 xDrive40d G05

5.58 s

Gap0.23 sin favour of X5 xDrive40d
BBMW X4 xDrive30d G02

5.81 s

Summary · Caralogy simulation
MeasureX5 xDrive40d G05X4 xDrive30d G02Gap
0–100 km/h5.58 s5.81 s0.23 s · X5 xDrive40d G05
400 m standing start13.92 s14.13 s0.21 s · X5 xDrive40d G05
1,000 m standing start25.54 s25.96 s0.42 s · X5 xDrive40d G05
Top speed (electronically limited)245 km/h245 km/hSame
Power-to-weight ratio6.47 kg/hp6.75 kg/hpbetter ratio · X5 xDrive40d G05

Watch the race

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

BMWHybridX5 xDrive40d G05
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX4 xDrive30d 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.
StageX5 xDrive40d G05X4 xDrive30d G02
0–30 km/h1.35 s1.35 s
0–50 km/h2.20 s · tight gap2.21 s
0–80 km/h3.96 s · tight gap4.08 s
0–100 km/h5.58 s5.81 s
0–120 km/h7.65 s8.01 s
0–160 km/h13.54 s14.32 s
0–200 km/h23.78 s25.39 s
400 m standing start13.92 s14.13 s
1,000 m standing start25.54 s25.96 s
Top speed245 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

X5 xDrive40d G05

6,47kg/hpratio better by 0,28 kg/hp
CharacteristicValueDetail
Power340 hp4 cyl
Torque700 Nm
Weight2 200 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

X4 xDrive30d G02

6,75kg/hpcompensated by −270 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 X5 xDrive40d hits 100 km/h in 5.58 s versus 5.81 s for the X4 xDrive30d. At this point, the X5 xDrive40d leads by 0.23 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 xDrive40d is doing 131 km/h against 129 km/h for the X4 xDrive30d. The gap is 0.12 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 xDrive40d crosses the line in 13.92 s versus 14.13 s. The 0.21 s gap represents roughly 9 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X5 xDrive40d continues to build its lead. At 600 metres, it runs at 181 km/h versus 178 km/h. At 1,000 metres, the X5 xDrive40d finishes in 25.54 s versus 25.95 s, with a 0.41 s lead. Both vehicles have similar top speeds (245 vs 245 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X5 xDrive40d and the X4 xDrive30d are governed to 245 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 (6.47 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 9.32 seconds. The 0.23 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 Q8 SUV

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Frequently asked questions

Over 0–100 km/h, X5 xDrive40d G05 wins (5,58 s vs 5,81 s).

X5 xDrive40d G05 goes from 0 to 100 km/h in 5,58 seconds (calibrated simulation).

X5 xDrive40d G05: 340 hp, ratio 6,47 kg/hp. X4 xDrive30d G02: 286 hp, ratio 6,75 kg/hp.

X5 xDrive40d G05: 245 km/h. X4 xDrive30d G02: 245 km/h.