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ACayennePetrolvsBX4Diesel
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  • SpecsCayenne · X4

Porsche Cayenne vs BMW X4 xDrive25d 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 · 2019 vs 2018 · Methodology
PorschePetrolFaster

Cayenne

340 hp · 450 Nm · 1,985 kg · 2019

VS
BMWDiesel

X4 xDrive25d G02

231 hp · 500 Nm · 1,755 kg · 2018

Result · 0–100 km/h

APorsche Cayenne

5.63 s

Gap1.27 sin favour of Cayenne
BBMW X4 xDrive25d G02

6.90 s

Summary · Caralogy simulation
MeasureCayenneX4 xDrive25d G02Gap
0–100 km/h5.63 s6.90 s1.27 s · Cayenne
400 m standing start13.87 s15.07 s1.20 s · Cayenne
1,000 m standing start25.36 s27.65 s2.29 s · Cayenne
Top speed (electronically limited)245 km/h228 km/h17 km/h · Cayenne
Power-to-weight ratio5.84 kg/hp7.60 kg/hpbetter ratio · Cayenne

Watch the race

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

PorschePetrolCayenne
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDieselX4 xDrive25d 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.
StageCayenneX4 xDrive25d G02
0–30 km/h1.33 s1.60 s
0–50 km/h2.24 s2.63 s
0–80 km/h4.02 s4.82 s
0–100 km/h5.63 s6.90 s
0–120 km/h7.59 s9.59 s
0–160 km/h13.19 s17.59 s
0–200 km/h23.12 s33.87 s
400 m standing start13.87 s15.07 s
1,000 m standing start25.36 s27.65 s
Top speed245 km/h228 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

5,84kg/hpratio better by 1,76 kg/hp
CharacteristicValueDetail
Power340 hpV6
Torque450 Nm
Weight1 985 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER
BMW

X4 xDrive25d G02

7,60kg/hpcompensated by −230 kg
CharacteristicValueDetail
Power231 hp4 cyl
Torque500 Nm
Weight1 755 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the Cayenne hits 100 km/h in 5.63 s versus 6.90 s for the X4 xDrive25d. At this point, the Cayenne leads by 1.27 s and sits roughly 11 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne is doing 133 km/h against 121 km/h for the X4 xDrive25d. The gap is 0.75 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne crosses the line in 13.87 s versus 15.07 s. The 1.20 s gap represents roughly 49 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne continues to build its lead. At 600 metres, it runs at 184 km/h versus 167 km/h. At 1,000 metres, the Cayenne finishes in 25.36 s versus 27.65 s, with a 2.29 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne is capped at 245 km/h, the X4 xDrive25d at 230 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 (5.84 kg/hp vs 7.60 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.19 seconds. The 1.27 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 wins (5,63 s vs 6,90 s).

Cayenne goes from 0 to 100 km/h in 5,63 seconds (calibrated simulation).

Cayenne: 340 hp, ratio 5,84 kg/hp. X4 xDrive25d G02: 231 hp, ratio 7,60 kg/hp.

Cayenne: 245 km/h. X4 xDrive25d G02: 228 km/h.