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ACayennePetrolvsBiXBEV
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  • SpecsCayenne · iX

Porsche Cayenne Turbo vs BMW iX xDrive40: 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 2021 · Methodology
PorschePetrolFaster

Cayenne Turbo

520 hp · 750 Nm · 2,170 kg · 2013

VS
BMWBEV

iX xDrive40

326 hp · 630 Nm · 2,440 kg · 2021

Result · 0–100 km/h

APorsche Cayenne Turbo

4.45 s

Gap1.59 sin favour of Cayenne Turbo
BBMW iX xDrive40

6.04 s

Summary · Caralogy simulation
MeasureCayenne TurboiX xDrive40Gap
0–100 km/h4.45 s6.04 s1.59 s · Cayenne Turbo
400 m standing start12.60 s14.37 s1.77 s · Cayenne Turbo
1,000 m standing start22.82 s26.37 s3.55 s · Cayenne Turbo
Top speed (electronically limited)276 km/h200 km/h76 km/h · Cayenne Turbo
Power-to-weight ratio4.17 kg/hp7.48 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
BMWBEViX xDrive40
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 TurboiX xDrive40
0–30 km/h1.24 s1.42 s
0–50 km/h2.07 s2.37 s
0–80 km/h3.38 s4.25 s
0–100 km/h4.45 s6.04 s
0–120 km/h5.85 s8.34 s
0–160 km/h9.55 s15.21 s
0–200 km/h15.30 s26.44 s
400 m standing start12.60 s14.37 s
1,000 m standing start22.82 s26.37 s
Top speed276 km/h200 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 3,31 kg/hp
CharacteristicValueDetail
Power520 hpEngine block and cylinder heads formed in aluminum
Torque750 Nm
Weight2 170 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

iX xDrive40

7,48kg/hpcompensated by −270 kg
CharacteristicValueDetail
Power326 hpPending
Torque630 Nm
Weight2 440 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed reduction gear

The start: 0 to 100 km/h

Off the line, the Cayenne Turbo hits 100 km/h in 4.45 s versus 6.04 s for the iX xDrive40. Despite lacking instant torque, 520 hp of power compensates. At this point, the Cayenne Turbo leads by 1.59 s and sits roughly 10 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne Turbo is doing 149 km/h against 127 km/h for the iX xDrive40. The gap is 1.01 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne Turbo crosses the line in 12.59 s versus 14.36 s. The 1.77 s gap represents roughly 75 m of track - a gap visible to the naked eye.

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 175 km/h. At 1,000 metres, the Cayenne Turbo finishes in 22.82 s versus 26.37 s, with a 3.55 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 iX xDrive40 at 200 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 9.74 seconds. The 1.59 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 6,04 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. iX xDrive40: 326 hp, ratio 7,48 kg/hp.

Cayenne Turbo: 276 km/h. iX xDrive40: 200 km/h.