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ACayennePetrolvsBX5Hybrid
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  • PerformancePerformance0-100, top speed
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  • SpecsCayenne · X5

Porsche Cayenne vs BMW X5 xDrive40i G05: 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 2021 · Methodology
PorschePetrol

Cayenne

340 hp · 450 Nm · 1,985 kg · 2019

VS
BMWHybrid

X5 xDrive40i G05

333 hp · 450 Nm · 2,100 kg · 2021

Result · 0–100 km/h

APorsche Cayenne

5.63 s

Gap0.02 sNot a significant gap
BBMW X5 xDrive40i G05

5.65 s

Summary · Caralogy simulation
MeasureCayenneX5 xDrive40i G05Gap
0–100 km/h5.63 s5.65 s0.02 s · Cayenne
400 m standing start13.87 s13.93 s0.06 s · Cayenne
1,000 m standing start25.36 s25.55 s0.19 s · Cayenne
Top speed (electronically limited)245 km/h243 km/h2 km/h · Cayenne
Power-to-weight ratio5.84 kg/hp6.31 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
BMWHybridX5 xDrive40i G05
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.
StageCayenneX5 xDrive40i G05
0–30 km/h1.33 s1.31 s · tight gap
0–50 km/h2.24 s2.21 s · tight gap
0–80 km/h4.02 s · tight gap4.04 s
0–100 km/h5.63 s · tight gap5.65 s
0–120 km/h7.59 s · tight gap7.68 s
0–160 km/h13.19 s13.49 s
0–200 km/h23.12 s23.80 s
400 m standing start13.87 s · tight gap13.93 s
1,000 m standing start25.36 s25.55 s
Top speed245 km/h243 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 0,47 kg/hp
CharacteristicValueDetail
Power340 hpV6
Torque450 Nm
Weight1 985 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER
BMW

X5 xDrive40i G05

6,31kg/hpcompensated by −115 kg
CharacteristicValueDetail
Power333 hp6 cyl
Torque450 Nm
Weight2 100 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the Cayenne hits 100 km/h in 5.63 s versus 5.65 s for the X5 xDrive40i. The 0.02 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Cayenne is doing 133 km/h against 131 km/h for the X5 xDrive40i. The gap is 0.01 s. The gap remains stable from the start.

At 400 metres standing start, the Cayenne crosses the line in 13.87 s versus 13.93 s. The 0.06 s gap represents roughly 3 m of track - barely a car length.

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 181 km/h. At 1,000 metres, the Cayenne finishes in 25.36 s versus 25.54 s, with a 0.19 s lead. Both vehicles have similar top speeds (245 vs 243 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the Cayenne and the X5 xDrive40i are governed to 245 km/h. At that speed, standard-fit tyres approach their safety threshold - an industrial ceiling common to most electric vehicles in this segment. Neither car shows its true aerodynamic potential in this duel.

With two combustion powertrains, the difference comes down to power-to-weight ratio (5.84 kg/hp vs 6.31 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.87 seconds. The 0.02 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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AudiVSPorsche

Q7 SUV vs Cayenne

PorscheVSBMW

Cayenne S Hybrid vs X5 xDrive40i

Frequently asked questions

Over 0–100 km/h, Cayenne and X5 xDrive40i G05 are neck and neck (5,63 s vs 5,65 s, no significant gap).

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

Cayenne: 340 hp, ratio 5,84 kg/hp. X5 xDrive40i G05: 333 hp, ratio 6,31 kg/hp.

Cayenne: 245 km/h. X5 xDrive40i G05: 243 km/h.