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ACayennePetrolvsBX4Hybrid
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  • SpecsCayenne · X4

Porsche Cayenne Turbo vs BMW X4 M40d 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 · 2013 vs 2020 · Methodology
PorschePetrolFaster

Cayenne Turbo

520 hp · 750 Nm · 2,170 kg · 2013

VS
BMWHybrid

X4 M40d G02

340 hp · 700 Nm · 2,020 kg · 2020

Result · 0–100 km/h

APorsche Cayenne Turbo

4.45 s

Gap0.36 sin favour of Cayenne Turbo
BBMW X4 M40d G02

4.81 s

Summary · Caralogy simulation
MeasureCayenne TurboX4 M40d G02Gap
0–100 km/h4.45 s4.81 s0.36 s · Cayenne Turbo
400 m standing start12.60 s13.15 s0.55 s · Cayenne Turbo
1,000 m standing start22.82 s24.10 s1.28 s · Cayenne Turbo
Top speed (electronically limited)276 km/h250 km/h26 km/h · Cayenne Turbo
Power-to-weight ratio4.17 kg/hp5.94 kg/hpbetter ratio · Cayenne Turbo

Watch the race

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

PorschePetrolCayenne Turbo
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybridX4 M40d 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 TurboX4 M40d G02
0–30 km/h1.24 s1.19 s · tight gap
0–50 km/h2.07 s1.93 s · tight gap
0–80 km/h3.38 s · tight gap3.42 s
0–100 km/h4.45 s4.81 s
0–120 km/h5.85 s6.55 s
0–160 km/h9.55 s11.38 s
0–200 km/h15.30 s18.97 s
400 m standing start12.60 s13.15 s
1,000 m standing start22.82 s24.10 s
Top speed limited276 km/h250 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 Turbo

4,17kg/hpratio better by 1,77 kg/hp
CharacteristicValueDetail
Power520 hpEngine block and cylinder heads formed in aluminum
Torque750 Nm
Weight2 170 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

X4 M40d G02

5,94kg/hpcompensated by −150 kg
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 020 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the Cayenne Turbo hits 100 km/h in 4.45 s versus 4.81 s for the X4 M40d. The 0.36 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Cayenne Turbo is doing 149 km/h against 138 km/h for the X4 M40d. The gap is 0.22 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne Turbo crosses the line in 12.59 s versus 13.14 s. The 0.55 s gap represents roughly 26 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne Turbo continues to build its lead. At 600 metres, it runs at 205 km/h versus 192 km/h. At 1,000 metres, the Cayenne Turbo finishes in 22.82 s versus 24.09 s, with a 1.28 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne Turbo is capped at 278 km/h, the X4 M40d at 250 (i.e. 155 mph - industry threshold) 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 (4.17 kg/hp vs 5.94 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.57 seconds. The 0.36 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 Turbo wins (4,45 s vs 4,81 s).

Cayenne Turbo goes from 0 to 100 km/h in 4,45 seconds (calibrated simulation).

Cayenne Turbo: 520 hp, ratio 4,17 kg/hp. X4 M40d G02: 340 hp, ratio 5,94 kg/hp.

Cayenne Turbo: 276 km/h. X4 M40d G02: 250 km/h.