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AX7PetrolvsBQ7Diesel
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  • SpecsX7 · Q7

BMW X7 xDrive40i G07 vs Audi Q7 SUV: 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 · 2018 vs 2026 · Methodology
BMWPetrolFaster

X7 xDrive40i G07

340 hp · 450 Nm · 2,320 kg · 2018

VS
AudiDiesel

Q7 SUV

231 hp · 500 Nm · 2,100 kg · 2026

Result · 0–100 km/h

ABMW X7 xDrive40i G07

6.17 s

Gap0.90 sin favour of X7 xDrive40i
BAudi Q7 SUV

7.07 s

Summary · Caralogy simulation
MeasureX7 xDrive40i G07Q7 SUVGap
0–100 km/h6.17 s7.07 s0.90 s · X7 xDrive40i G07
400 m standing start14.39 s15.11 s0.72 s · X7 xDrive40i G07
1,000 m standing start26.33 s28.09 s1.76 s · X7 xDrive40i G07
Top speed (electronically limited)245 km/h226 km/h19 km/h · X7 xDrive40i G07
Power-to-weight ratio6.82 kg/hp9.09 kg/hpbetter ratio · X7 xDrive40i G07

Watch the race

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

BMWPetrolX7 xDrive40i G07
Speed
0km/h
Timer
0,00s
Distance
0m
AudiDieselQ7 SUV
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 xDrive40i G07Q7 SUV
0–30 km/h1.38 s1.17 s
0–50 km/h2.36 s2.22 s · tight gap
0–80 km/h4.38 s4.70 s
0–100 km/h6.17 s7.07 s
0–120 km/h8.43 s10.12 s
0–160 km/h14.92 s19.20 s
0–200 km/h26.40 s37.54 s
400 m standing start14.39 s15.11 s
1,000 m standing start26.33 s28.09 s
Top speed245 km/h226 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 xDrive40i G07

6,82kg/hpratio better by 2,27 kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque450 Nm
Weight2 320 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
Audi

Q7 SUV

9,09kg/hpcompensated by −220 kg
CharacteristicValueDetail
Power231 hpPending
Torque500 Nm
Weight2 100 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic

The start: 0 to 100 km/h

Off the line, the X7 xDrive40i hits 100 km/h in 6.17 s versus 7.07 s for the Q7 SUV. At this point, the X7 xDrive40i leads by 0.90 s and sits roughly 1 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X7 xDrive40i is doing 127 km/h against 117 km/h for the Q7 SUV. The gap is 0.29 s. The challenger starts to claw back ground.

At 400 metres standing start, the X7 xDrive40i crosses the line in 14.39 s versus 15.11 s. The 0.72 s gap represents roughly 29 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X7 xDrive40i continues to build its lead. At 600 metres, it runs at 176 km/h versus 162 km/h. At 1,000 metres, the X7 xDrive40i finishes in 26.32 s versus 28.09 s, with a 1.76 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X7 xDrive40i is capped at 245 km/h, the Q7 SUV at 226 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 (6.82 kg/hp vs 9.09 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.95 seconds. The 0.90 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, X7 xDrive40i G07 wins (6,17 s vs 7,07 s).

X7 xDrive40i G07 goes from 0 to 100 km/h in 6,17 seconds (calibrated simulation).

X7 xDrive40i G07: 340 hp, ratio 6,82 kg/hp. Q7 SUV: 231 hp, ratio 9,09 kg/hp.

X7 xDrive40i G07: 245 km/h. Q7 SUV: 226 km/h.