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AXMPHEVvsBCayenneHybrid
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  • PerformancePerformance0-100, top speed
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  • SpecsXM · Cayenne

BMW XM 50e G09 vs Porsche Cayenne S 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.

luxury SUV · 2024 vs 2011 · Methodology
BMWPHEVFaster

XM 50e G09

476 hp · 700 Nm · 2,620 kg · 2024

VS
PorscheHybrid

Cayenne S Hybrid

385 hp · 579 Nm · 2,240 kg · 2011

Result · 0–100 km/h

ABMW XM 50e G09

5.19 s

Gap0.95 sin favour of XM 50e
BPorsche Cayenne S Hybrid

6.14 s

Summary · Caralogy simulation
MeasureXM 50e G09Cayenne S HybridGap
0–100 km/h5.19 s6.14 s0.95 s · XM 50e G09
400 m standing start13.44 s14.30 s0.86 s · XM 50e G09
1,000 m standing start24.30 s26.16 s1.86 s · XM 50e G09
Top speed (electronically limited)250 km/h240 km/h10 km/h · XM 50e G09
Power-to-weight ratio5.50 kg/hp5.82 kg/hpbetter ratio · XM 50e G09

Watch the race

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

BMWPHEVXM 50e G09
Speed
0km/h
Timer
0,00s
Distance
0m
PorscheHybridCayenne S 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.
StageXM 50e G09Cayenne S Hybrid
0–30 km/h1.39 s1.37 s · tight gap
0–50 km/h2.33 s2.28 s · tight gap
0–80 km/h3.82 s4.26 s
0–100 km/h5.19 s6.14 s
0–120 km/h6.88 s8.30 s
0–160 km/h11.59 s14.55 s
0–200 km/h18.84 s25.88 s
400 m standing start13.44 s14.30 s
1,000 m standing start24.30 s26.16 s
Top speed limited250 km/h240 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

XM 50e G09

5,50kg/hpratio better by 0,31 kg/hp
CharacteristicValueDetail
Power476 hp4 cyl
Torque700 Nm
Weight2 620 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed M Steptronic transmission
Porsche

Cayenne S Hybrid

5,82kg/hpcompensated by −380 kg
CharacteristicValueDetail
Power385 hpV6
Torque579 Nm
Weight2 240 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the XM 50e hits 100 km/h in 5.19 s versus 6.14 s for the Cayenne S Hybrid. The instant torque of 700 Nm from the electric motor makes the difference. At this point, the XM 50e leads by 0.95 s and sits roughly 4 m ahead.

From 100 km/h to 400 metres

At 200 metres, the XM 50e is doing 139 km/h against 128 km/h for the Cayenne S Hybrid. The gap is 0.48 s. The challenger starts to claw back ground.

At 400 metres standing start, the XM 50e crosses the line in 13.44 s versus 14.30 s. The 0.86 s gap represents roughly 38 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the XM 50e continues to build its lead. At 600 metres, it runs at 193 km/h versus 177 km/h. At 1,000 metres, the XM 50e finishes in 24.30 s versus 26.15 s, with a 1.86 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the XM 50e is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Cayenne S Hybrid at 242 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 9.55 seconds. The 0.95 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 XM 50e G09
Audi Q7 SUVJeep Grand Cherokee 4xeBMW X5 xDrive45e

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Frequently asked questions

Over 0–100 km/h, XM 50e G09 wins (5,19 s vs 6,14 s).

XM 50e G09 goes from 0 to 100 km/h in 5,19 seconds (calibrated simulation).

XM 50e G09: 476 hp, ratio 5,50 kg/hp. Cayenne S Hybrid: 385 hp, ratio 5,82 kg/hp.

XM 50e G09: 250 km/h. Cayenne S Hybrid: 240 km/h.