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ACayennePetrolvsBX4Hybrid
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  • SpecsCayenne · X4

Porsche Cayenne S vs BMW X4 xDrive30d G02: 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 · 2015 vs 2020 · Methodology
PorschePetrolFaster

Cayenne S

420 hp · 550 Nm · 2,085 kg · 2015

VS
BMWHybrid

X4 xDrive30d G02

286 hp · 650 Nm · 1,930 kg · 2020

Result · 0–100 km/h

APorsche Cayenne S

5.13 s

Gap0.62 sin favour of Cayenne S
BBMW X4 xDrive30d G02

5.74 s

Summary · Caralogy simulation
MeasureCayenne SX4 xDrive30d G02Gap
0–100 km/h5.13 s5.74 s0.62 s · Cayenne S
400 m standing start13.45 s14.07 s0.62 s · Cayenne S
1,000 m standing start24.50 s25.82 s1.32 s · Cayenne S
Top speed (electronically limited)251 km/h245 km/h6 km/h · Cayenne S
Power-to-weight ratio4.96 kg/hp6.75 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
BMWHybridX4 xDrive30d G02
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 SX4 xDrive30d G02
0–30 km/h1.26 s · tight gap1.38 s
0–50 km/h2.11 s · tight gap2.25 s
0–80 km/h3.81 s4.04 s
0–100 km/h5.13 s5.74 s
0–120 km/h7.09 s7.90 s
0–160 km/h11.79 s14.06 s
0–200 km/h19.60 s24.78 s
400 m standing start13.45 s14.07 s
1,000 m standing start24.50 s25.82 s
Top speed251 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

4,96kg/hpratio better by 1,78 kg/hp
CharacteristicValueDetail
Power420 hpV6
Torque550 Nm
Weight2 085 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER
BMW

X4 xDrive30d G02

6,75kg/hpcompensated by −155 kg
CharacteristicValueDetail
Power286 hp6 cyl
Torque650 Nm
Weight1 930 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the Cayenne S hits 100 km/h in 5.13 s versus 5.74 s for the X4 xDrive30d. At this point, the Cayenne S leads by 0.62 s and sits roughly 4 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne S is doing 137 km/h against 130 km/h for the X4 xDrive30d. The gap is 0.34 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne S crosses the line in 13.45 s versus 14.07 s. The 0.62 s gap represents roughly 27 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne S continues to build its lead. At 600 metres, it runs at 191 km/h versus 179 km/h. At 1,000 metres, the Cayenne S finishes in 24.50 s versus 25.82 s, with a 1.32 s lead. Both vehicles have similar top speeds (251 (i.e. 155 mph - industry threshold) vs 245 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne S is capped at 257 km/h, the X4 xDrive30d 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 (4.96 kg/hp vs 6.75 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.17 seconds. The 0.62 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 S wins (5,13 s vs 5,74 s).

Cayenne S goes from 0 to 100 km/h in 5,13 seconds (calibrated simulation).

Cayenne S: 420 hp, ratio 4,96 kg/hp. X4 xDrive30d G02: 286 hp, ratio 6,75 kg/hp.

Cayenne S: 251 km/h. X4 xDrive30d G02: 245 km/h.