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AX6vsBCayennePetrol
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  • SpecsX6 · Cayenne

BMW X6 M Competition G06 vs Porsche Cayenne Turbo Coupe: 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
BMWPetrol

X6 M Competition G06

625 hp · 750 Nm · 2,320 kg · 2021

VS
PorschePetrol

Cayenne Turbo Coupe

520 hp · 750 Nm · 2,279 kg · 2020

Result · 0–100 km/h

ABMW X6 M Competition G06

3.83 s

Gap0.01 sNot a significant gap
BPorsche Cayenne Turbo Coupe

3.84 s

Summary · Caralogy simulation
MeasureX6 M Competition G06Cayenne Turbo CoupeGap
0–100 km/h3.83 s3.84 s0.01 s · X6 M Competition G06
400 m standing start11.93 s12.08 s0.15 s · X6 M Competition G06
1,000 m standing start21.75 s22.23 s0.48 s · X6 M Competition G06
Top speed (electronically limited)250 km/h285 km/h35 km/h · Cayenne Turbo Coupe
Power-to-weight ratio3.71 kg/hp4.38 kg/hpbetter ratio · X6 M Competition G06

Watch the race

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

BMWPetrolX6 M Competition G06
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne Turbo Coupe
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.
StageX6 M Competition G06Cayenne Turbo Coupe
0–30 km/h1.06 s0.91 s
0–50 km/h1.74 s1.52 s
0–80 km/h2.91 s2.72 s
0–100 km/h3.83 s · tight gap3.84 s
0–120 km/h5.01 s5.17 s
0–160 km/h8.19 s8.95 s
0–200 km/h13.21 s14.45 s
400 m standing start11.93 s12.08 s
1,000 m standing start21.75 s22.23 s
Top speed limited250 km/h285 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

X6 M Competition G06

3,71kg/hpratio better by 0,67 kg/hp
CharacteristicValueDetail
Power625 hpPending
Torque750 Nm
Weight2 320 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed M Steptronic transmission with Drivelogic, transmission oil cooling
Porsche

Cayenne Turbo Coupe

4,38kg/hp
CharacteristicValueDetail
Power520 hpV8
Torque750 Nm
Weight2 279 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the X6 M Competition hits 100 km/h in 3.83 s versus 3.84 s for the Cayenne Turbo Coupe. The 0.01 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Cayenne Turbo Coupe is doing 150 km/h against 155 km/h for the X6 M Competition. The gap is 0.01 s. The gap remains stable from the start.

At 400 metres standing start, the X6 M Competition crosses the line in 11.93 s versus 12.07 s. The 0.14 s gap represents roughly 7 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X6 M Competition continues to build its lead. At 600 metres, it runs at 215 km/h versus 206 km/h. At 1,000 metres, the X6 M Competition finishes in 21.75 s versus 22.22 s, with a 0.47 s lead. Despite a higher top speed (285 km/h), the Cayenne Turbo Coupe never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X6 M Competition is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Cayenne Turbo Coupe at 285 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 (3.71 kg/hp vs 4.38 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.03 seconds. The 0.01 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 X6 M Competition G06
BMW X6 M50i
Instead of Cayenne Turbo Coupe
Porsche Cayenne Turbo SPorsche Cayenne Turbo S

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Frequently asked questions

Over 0–100 km/h, X6 M Competition G06 and Cayenne Turbo Coupe are neck and neck (3,83 s vs 3,84 s, no significant gap).

X6 M Competition G06 goes from 0 to 100 km/h in 3,83 seconds (calibrated simulation).

X6 M Competition G06: 625 hp, ratio 3,71 kg/hp. Cayenne Turbo Coupe: 520 hp, ratio 4,38 kg/hp.

X6 M Competition G06: 250 km/h. Cayenne Turbo Coupe: 285 km/h.