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AX6vsBCayennePetrol
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  • SpecsX6 · Cayenne

BMW X6 M50i G06 vs Porsche Cayenne Turbo: 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 2012 · Methodology
BMWPetrolFaster

X6 M50i G06

530 hp · 750 Nm · 2,240 kg · 2021

VS
PorschePetrol

Cayenne Turbo

520 hp · 750 Nm · 2,170 kg · 2012

Result · 0–100 km/h

ABMW X6 M50i G06

4.25 s

Gap0.20 sin favour of X6 M50i
BPorsche Cayenne Turbo

4.45 s

Summary · Caralogy simulation
MeasureX6 M50i G06Cayenne TurboGap
0–100 km/h4.25 s4.45 s0.20 s · X6 M50i G06
400 m standing start12.30 s12.60 s0.30 s · X6 M50i G06
1,000 m standing start22.14 s22.82 s0.68 s · X6 M50i G06
Top speed (electronically limited)250 km/h276 km/h26 km/h · Cayenne Turbo
Power-to-weight ratio4.23 kg/hp4.17 kg/hpbetter ratio · Cayenne Turbo

Watch the race

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

BMWPetrolX6 M50i G06
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne Turbo
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 M50i G06Cayenne Turbo
0–30 km/h1.25 s1.24 s · tight gap
0–50 km/h2.06 s · tight gap2.07 s
0–80 km/h3.27 s · tight gap3.38 s
0–100 km/h4.25 s4.45 s
0–120 km/h5.46 s5.85 s
0–160 km/h8.75 s9.55 s
0–200 km/h13.66 s15.30 s
400 m standing start12.30 s12.60 s
1,000 m standing start22.14 s22.82 s
Top speed limited250 km/h276 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 M50i G06

4,23kg/hpcompensated by −70 kg
CharacteristicValueDetail
Power530 hp8 cyl
Torque750 Nm
Weight2 240 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
Porsche

Cayenne Turbo

4,17kg/hpratio better by 0,05 kg/hp
CharacteristicValueDetail
Power520 hpEngine block and cylinder heads formed in aluminum
Torque750 Nm
Weight2 170 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the X6 M50i hits 100 km/h in 4.26 s versus 4.45 s for the Cayenne Turbo. At this point, the X6 M50i leads by 0.20 s and sits roughly 1 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X6 M50i is doing 154 km/h against 149 km/h for the Cayenne Turbo. The gap is 0.17 s. The gap remains stable from the start.

At 400 metres standing start, the X6 M50i crosses the line in 12.29 s versus 12.59 s. The 0.30 s gap represents roughly 15 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X6 M50i continues to build its lead. At 600 metres, it runs at 214 km/h versus 205 km/h. At 1,000 metres, the X6 M50i finishes in 22.14 s versus 22.82 s, with a 0.68 s lead. Despite a higher top speed (276 km/h), the Cayenne Turbo 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 M50i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Cayenne Turbo at 278 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 (4.23 kg/hp vs 4.17 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.61 seconds. The 0.20 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 M50i G06
Audi SQ8 SUV
Instead of Cayenne Turbo
Porsche Cayenne Turbo SPorsche Cayenne TurboPorsche Cayenne Turbo Coupe

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Frequently asked questions

Over 0–100 km/h, X6 M50i G06 wins (4,25 s vs 4,45 s).

X6 M50i G06 goes from 0 to 100 km/h in 4,25 seconds (calibrated simulation).

X6 M50i G06: 530 hp, ratio 4,23 kg/hp. Cayenne Turbo: 520 hp, ratio 4,17 kg/hp.

X6 M50i G06: 250 km/h. Cayenne Turbo: 276 km/h.