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AX5vsBX7Hybrid
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BMW X5 xDrive40d G05 vs BMW X7 xDrive40d G07: 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 · 2021 vs 2020 · Methodology
BMWHybridFaster

X5 xDrive40d G05

340 hp · 700 Nm · 2,200 kg · 2021

VS
BMWHybrid

X7 xDrive40d G07

340 hp · 700 Nm · 2,470 kg · 2020

Result · 0–100 km/h

ABMW X5 xDrive40d G05

5.58 s

Gap0.54 sin favour of X5 xDrive40d
BBMW X7 xDrive40d G07

6.12 s

Summary · Caralogy simulation
MeasureX5 xDrive40d G05X7 xDrive40d G07Gap
0–100 km/h5.58 s6.12 s0.54 s · X5 xDrive40d G05
400 m standing start13.92 s14.40 s0.48 s · X5 xDrive40d G05
1,000 m standing start25.54 s26.46 s0.92 s · X5 xDrive40d G05
Top speed (electronically limited)245 km/h245 km/hSame
Power-to-weight ratio6.47 kg/hp7.26 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
BMWHybridX7 xDrive40d G07
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 G05X7 xDrive40d G07
0–30 km/h1.35 s1.35 s
0–50 km/h2.20 s · tight gap2.25 s
0–80 km/h3.96 s4.26 s
0–100 km/h5.58 s6.12 s
0–120 km/h7.65 s8.49 s
0–160 km/h13.54 s15.31 s
0–200 km/h23.78 s27.30 s
400 m standing start13.92 s14.40 s
1,000 m standing start25.54 s26.46 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 0,79 kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 200 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

X7 xDrive40d G07

7,26kg/hpcompensated by −270 kg
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 470 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the X5 xDrive40d hits 100 km/h in 5.58 s versus 6.12 s for the X7 xDrive40d. At this point, the X5 xDrive40d leads by 0.54 s and sits roughly 3 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 xDrive40d is doing 131 km/h against 126 km/h for the X7 xDrive40d. The gap is 0.27 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 xDrive40d crosses the line in 13.92 s versus 14.39 s. The 0.48 s gap represents roughly 20 m of track - two to three car lengths.

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 174 km/h. At 1,000 metres, the X5 xDrive40d finishes in 25.54 s versus 26.45 s, with a 0.91 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 X7 xDrive40d 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 7.26 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.90 seconds. The 0.54 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.

Instead of X5 xDrive40d G05
Mercedes G 450 dMercedes G 450 d

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Frequently asked questions

Over 0–100 km/h, X5 xDrive40d G05 wins (5,58 s vs 6,12 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. X7 xDrive40d G07: 340 hp, ratio 7,26 kg/hp.

X5 xDrive40d G05: 245 km/h. X7 xDrive40d G07: 245 km/h.