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AX7HybridvsBX3Diesel
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BMW X7 xDrive40d G07 vs BMW X3 xDrive30d G01: 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.

luxury SUV · 2020 vs 2018 · Methodology
BMWHybrid

X7 xDrive40d G07

340 hp · 700 Nm · 2,470 kg · 2020

VS
BMWDieselFaster

X3 xDrive30d G01

265 hp · 620 Nm · 1,820 kg · 2018

Result · 0–100 km/h

ABMW X7 xDrive40d G07

6.12 s

Gap0.34 sin favour of X3 xDrive30d
BBMW X3 xDrive30d G01

5.78 s

Summary · Caralogy simulation
MeasureX7 xDrive40d G07X3 xDrive30d G01Gap
0–100 km/h6.12 s5.78 s0.34 s · X3 xDrive30d G01
400 m standing start14.40 s14.12 s0.28 s · X3 xDrive30d G01
1,000 m standing start26.46 s25.96 s0.50 s · X3 xDrive30d G01
Top speed (electronically limited)245 km/h240 km/h5 km/h · X7 xDrive40d G07
Power-to-weight ratio7.26 kg/hp6.87 kg/hpbetter ratio · X3 xDrive30d G01

Watch the race

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

BMWHybridX7 xDrive40d G07
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX3 xDrive30d G01
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.
StageX7 xDrive40d G07X3 xDrive30d G01
0–30 km/h1.35 s · tight gap1.38 s
0–50 km/h2.25 s2.23 s · tight gap
0–80 km/h4.26 s4.06 s
0–100 km/h6.12 s5.78 s
0–120 km/h8.49 s7.99 s
0–160 km/h15.31 s14.32 s
0–200 km/h27.30 s25.65 s
400 m standing start14.40 s14.12 s
1,000 m standing start26.46 s25.96 s
Top speed245 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

X7 xDrive40d G07

7,26kg/hpcompensated by −650 kg
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 470 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

X3 xDrive30d G01

6,87kg/hpratio better by 0,40 kg/hp
CharacteristicValueDetail
Power265 hp6 cyl
Torque620 Nm
Weight1 820 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X3 xDrive30d hits 100 km/h in 5.78 s versus 6.12 s for the X7 xDrive40d. At this point, the X3 xDrive30d leads by 0.34 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 xDrive30d is doing 129 km/h against 126 km/h for the X7 xDrive40d. The gap is 0.17 s. The challenger starts to claw back ground.

At 400 metres standing start, the X3 xDrive30d crosses the line in 14.11 s versus 14.39 s. The 0.28 s gap represents roughly 12 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X3 xDrive30d continues to build its lead. At 600 metres, it runs at 178 km/h versus 174 km/h. At 1,000 metres, the X3 xDrive30d finishes in 25.96 s versus 26.45 s, with a 0.49 s lead. Both vehicles have similar top speeds (245 vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X7 xDrive40d is capped at 245 km/h, the X3 xDrive30d at 240 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 (7.26 kg/hp vs 6.87 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 0.34 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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AudiVSBMW

Q5 Sportback vs X3 xDrive30d

Frequently asked questions

Over 0–100 km/h, X3 xDrive30d G01 wins (5,78 s vs 6,12 s).

X7 xDrive40d G07 goes from 0 to 100 km/h in 6,12 seconds (calibrated simulation).

X7 xDrive40d G07: 340 hp, ratio 7,26 kg/hp. X3 xDrive30d G01: 265 hp, ratio 6,87 kg/hp.

X7 xDrive40d G07: 245 km/h. X3 xDrive30d G01: 240 km/h.