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  • SpecsActiveHybrid · Cayenne

BMW ActiveHybrid X6 E71 vs Porsche Cayenne E-Hybrid: 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 · 2009 vs 2019 · Methodology
BMWHybrid

ActiveHybrid X6 E71

485 hp · 780 Nm · 2,450 kg · 2009

VS
PorschePHEVFaster

Cayenne E-Hybrid

461 hp · 700 Nm · 2,295 kg · 2019

Result · 0–100 km/h

ABMW ActiveHybrid X6 E71

5.59 s

Gap0.85 sin favour of Cayenne E-Hybrid
BPorsche Cayenne E-Hybrid

4.74 s

Summary · Caralogy simulation
MeasureActiveHybrid X6 E71Cayenne E-HybridGap
0–100 km/h5.59 s4.74 s0.85 s · Cayenne E-Hybrid
400 m standing start13.67 s13.02 s0.65 s · Cayenne E-Hybrid
1,000 m standing start24.29 s23.82 s0.47 s · Cayenne E-Hybrid
Top speed (electronically limited)236 km/h253 km/h17 km/h · Cayenne E-Hybrid
Power-to-weight ratio5.05 kg/hp4.98 kg/hpbetter ratio · Cayenne E-Hybrid

Watch the race

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

BMWHybridActiveHybrid X6 E71
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePHEVCayenne E-Hybrid
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.
StageActiveHybrid X6 E71Cayenne E-Hybrid
0–30 km/h1.63 s1.17 s
0–50 km/h2.73 s1.94 s
0–80 km/h4.33 s3.37 s
0–100 km/h5.59 s4.74 s
0–120 km/h7.13 s6.35 s
0–160 km/h11.38 s10.95 s
0–200 km/h17.95 s18.13 s
400 m standing start13.67 s13.02 s
1,000 m standing start24.29 s23.82 s
Top speed236 km/h253 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

ActiveHybrid X6 E71

5,05kg/hpcompensated by −155 kg
CharacteristicValueDetail
Power485 hpPending
Torque780 Nm
Weight2 450 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSeven-speed automatic transmission, electronic gear selector lever, shift paddles on steering wheel
Porsche

Cayenne E-Hybrid

4,98kg/hpratio better by 0,07 kg/hp
CharacteristicValueDetail
Power461 hpV6
Torque700 Nm
Weight2 295 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the Cayenne E-Hybrid hits 100 km/h in 4.74 s versus 5.60 s for the ActiveHybrid X6. The instant torque of 700 Nm from the electric motor makes the difference. At this point, the Cayenne E-Hybrid leads by 0.85 s and sits roughly 17 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne E-Hybrid is doing 141 km/h against 141 km/h for the ActiveHybrid X6. The gap is 0.69 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne E-Hybrid crosses the line in 13.01 s versus 13.66 s. The 0.65 s gap represents roughly 31 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the gap narrows. The ActiveHybrid X6 maxes out at 236 km/h while the Cayenne E-Hybrid keeps accelerating towards 253 km/h. At 600 metres, the gap has dropped to 0.60 s.

At 1,000 metres, the Cayenne E-Hybrid finishes in 23.81 s versus 24.29 s, with just 0.47 s to spare. The ActiveHybrid X6 fails to fully close the launch gap.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the ActiveHybrid X6 is capped at 236 km/h, the Cayenne E-Hybrid at 253 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.07 seconds. The 0.85 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 Cayenne E-Hybrid
Audi Q7 SUVVolvo XC90 T8 AWD RechargePorsche Cayenne E-Hybrid Coupe

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Q7 SUV vs ActiveHybrid X6

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Cayenne E-Hybrid vs XC90 T8 AWD Recharge

AudiVSBMW

Q8 SUV vs ActiveHybrid X6

AudiVSPorsche

Q7 SUV vs Cayenne E-Hybrid

Frequently asked questions

Over 0–100 km/h, Cayenne E-Hybrid wins (4,74 s vs 5,59 s).

ActiveHybrid X6 E71 goes from 0 to 100 km/h in 5,59 seconds (calibrated simulation).

ActiveHybrid X6 E71: 485 hp, ratio 5,05 kg/hp. Cayenne E-Hybrid: 461 hp, ratio 4,98 kg/hp.

ActiveHybrid X6 E71: 236 km/h. Cayenne E-Hybrid: 253 km/h.