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ACayennePetrolvsBX6Hybrid
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  • PerformancePerformance0-100, top speed
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  • SpecsCayenne · X6

Porsche Cayenne S vs BMW X6 xDrive40d G06: 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 · 2013 vs 2020 · Methodology
PorschePetrol

Cayenne S

420 hp · 550 Nm · 2,065 kg · 2013

VS
BMWHybridFaster

X6 xDrive40d G06

340 hp · 700 Nm · 2,215 kg · 2020

Result · 0–100 km/h

APorsche Cayenne S

5.73 s

Gap0.19 sin favour of X6 xDrive40d
BBMW X6 xDrive40d G06

5.54 s

Summary · Caralogy simulation
MeasureCayenne SX6 xDrive40d G06Gap
0–100 km/h5.73 s5.54 s0.19 s · X6 xDrive40d G06
400 m standing start13.92 s13.88 s0.04 s · X6 xDrive40d G06
1,000 m standing start25.21 s25.52 s0.31 s · Cayenne S
Top speed (electronically limited)255 km/h245 km/h10 km/h · Cayenne S
Power-to-weight ratio4.92 kg/hp6.51 kg/hpbetter ratio · Cayenne S

Watch the race

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

PorschePetrolCayenne S
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybridX6 xDrive40d G06
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 SX6 xDrive40d G06
0–30 km/h1.41 s1.31 s · tight gap
0–50 km/h2.31 s2.13 s
0–80 km/h4.14 s3.90 s
0–100 km/h5.73 s5.54 s
0–120 km/h7.71 s7.62 s · tight gap
0–160 km/h12.97 s13.55 s
0–200 km/h21.63 s23.87 s
400 m standing start13.92 s13.88 s · tight gap
1,000 m standing start25.21 s25.52 s
Top speed255 km/h245 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 S

4,92kg/hpratio better by 1,60 kg/hp
CharacteristicValueDetail
Power420 hpEngine block and cylinder heads formed in aluminum
Torque550 Nm
Weight2 065 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

X6 xDrive40d G06

6,51kg/hpcompensated by −150 kg
CharacteristicValueDetail
Power340 hp4 cyl
Torque700 Nm
Weight2 215 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the X6 xDrive40d hits 100 km/h in 5.54 s versus 5.73 s for the Cayenne S. At this point, the X6 xDrive40d leads by 0.19 s and sits roughly 4 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X6 xDrive40d is doing 131 km/h against 133 km/h for the Cayenne S. The gap is 0.14 s. The gap remains stable from the start.

At 400 metres standing start, the X6 xDrive40d crosses the line in 13.88 s versus 13.92 s. The 0.04 s gap represents roughly 2 m of track

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. The X6 xDrive40d maxes out at 245 km/h while the Cayenne S keeps accelerating towards 255 km/h. At 600 metres, the gap has dropped to 0.09 s.

Around 462 metres, both vehicles are level. This is the inversion point: the Cayenne S overcomes its launch deficit thanks to a 10 km/h higher top speed.

At 1,000 metres, the Cayenne S finishes in 25.21 s versus 25.52 s. The 0.31 s delta shows an extremely tight race.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne S is capped at 258 km/h, the X6 xDrive40d at 245 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 (4.92 kg/hp vs 6.51 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.85 seconds. The 0.19 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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X6 xDrive40d vs Q7 SUV

Frequently asked questions

Over 0–100 km/h, X6 xDrive40d G06 wins (5,54 s vs 5,73 s).

Cayenne S goes from 0 to 100 km/h in 5,73 seconds (calibrated simulation).

Cayenne S: 420 hp, ratio 4,92 kg/hp. X6 xDrive40d G06: 340 hp, ratio 6,51 kg/hp.

Cayenne S: 255 km/h. X6 xDrive40d G06: 245 km/h.