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ACayennePetrolvsBX6Diesel
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  • SpecsCayenne · X6

Porsche Cayenne Turbo Coupe vs BMW X6 M50d F16: 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 · 2020 vs 2018 · Methodology
PorschePetrolFaster

Cayenne Turbo Coupe

520 hp · 750 Nm · 2,279 kg · 2020

VS
BMWDiesel

X6 M50d F16

381 hp · 740 Nm · 2,185 kg · 2018

Result · 0–100 km/h

APorsche Cayenne Turbo Coupe

3.84 s

Gap1.45 sin favour of Cayenne Turbo Coupe
BBMW X6 M50d F16

5.29 s

Summary · Caralogy simulation
MeasureCayenne Turbo CoupeX6 M50d F16Gap
0–100 km/h3.84 s5.29 s1.45 s · Cayenne Turbo Coupe
400 m standing start12.08 s13.63 s1.55 s · Cayenne Turbo Coupe
1,000 m standing start22.23 s24.91 s2.68 s · Cayenne Turbo Coupe
Top speed (electronically limited)285 km/h250 km/h35 km/h · Cayenne Turbo Coupe
Power-to-weight ratio4.38 kg/hp5.73 kg/hpbetter ratio · Cayenne Turbo Coupe

Watch the race

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

PorschePetrolCayenne Turbo Coupe
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX6 M50d F16
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.
StageCayenne Turbo CoupeX6 M50d F16
0–30 km/h0.91 s1.40 s
0–50 km/h1.52 s2.26 s
0–80 km/h2.72 s3.83 s
0–100 km/h3.84 s5.29 s
0–120 km/h5.17 s7.14 s
0–160 km/h8.95 s12.41 s
0–200 km/h14.45 s21.42 s
400 m standing start12.08 s13.63 s
1,000 m standing start22.23 s24.91 s
Top speed limited285 km/h250 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.

Porsche

Cayenne Turbo Coupe

4,38kg/hpratio better by 1,35 kg/hp
CharacteristicValueDetail
Power520 hpV8
Torque750 Nm
Weight2 279 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER
BMW

X6 M50d F16

5,73kg/hpcompensated by −94 kg
CharacteristicValueDetail
Power381 hp6 cyl
Torque740 Nm
Weight2 185 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the Cayenne Turbo Coupe hits 100 km/h in 3.84 s versus 5.29 s for the X6 M50d. At this point, the Cayenne Turbo Coupe leads by 1.45 s and sits roughly 16 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne Turbo Coupe is doing 150 km/h against 135 km/h for the X6 M50d. The gap is 1.10 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne Turbo Coupe crosses the line in 12.07 s versus 13.62 s. The 1.55 s gap represents roughly 70 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne Turbo Coupe continues to build its lead. At 600 metres, it runs at 206 km/h versus 187 km/h. At 1,000 metres, the Cayenne Turbo Coupe finishes in 22.22 s versus 24.91 s, with a 2.69 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne Turbo Coupe is capped at 285 km/h, the X6 M50d at 250 (i.e. 155 mph - industry threshold) 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 (4.38 kg/hp vs 5.73 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.26 seconds. The 1.45 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, Cayenne Turbo Coupe wins (3,84 s vs 5,29 s).

Cayenne Turbo Coupe goes from 0 to 100 km/h in 3,84 seconds (calibrated simulation).

Cayenne Turbo Coupe: 520 hp, ratio 4,38 kg/hp. X6 M50d F16: 381 hp, ratio 5,73 kg/hp.

Cayenne Turbo Coupe: 285 km/h. X6 M50d F16: 250 km/h.