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AX5vsBCayennePetrol
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  • PerformancePerformance0-100, top speed
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  • SpecsX5 · Cayenne

BMW X5 xDrive40i F15 vs Porsche Cayenne Coupe: 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 · 2018 vs 2020 · Methodology
BMWPetrolFaster

X5 xDrive40i F15

340 hp · 450 Nm · 2,060 kg · 2018

VS
PorschePetrol

Cayenne Coupe

340 hp · 450 Nm · 2,115 kg · 2020

Result · 0–100 km/h

ABMW X5 xDrive40i F15

5.42 s

Gap0.35 sin favour of X5 xDrive40i
BPorsche Cayenne Coupe

5.77 s

Summary · Caralogy simulation
MeasureX5 xDrive40i F15Cayenne CoupeGap
0–100 km/h5.42 s5.77 s0.35 s · X5 xDrive40i F15
400 m standing start13.71 s14.01 s0.30 s · X5 xDrive40i F15
1,000 m standing start25.12 s25.65 s0.53 s · X5 xDrive40i F15
Top speed (electronically limited)243 km/h243 km/hSame
Power-to-weight ratio6.06 kg/hp6.22 kg/hpbetter ratio · X5 xDrive40i F15

Watch the race

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

BMWPetrolX5 xDrive40i F15
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne Coupe
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.
StageX5 xDrive40i F15Cayenne Coupe
0–30 km/h1.31 s1.31 s · tight gap
0–50 km/h2.21 s2.21 s
0–80 km/h3.92 s4.08 s
0–100 km/h5.42 s5.77 s
0–120 km/h7.33 s7.83 s
0–160 km/h12.74 s13.74 s
0–200 km/h22.18 s24.26 s
400 m standing start13.71 s14.01 s
1,000 m standing start25.12 s25.65 s
Top speed243 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.

BMW

X5 xDrive40i F15

6,06kg/hpratio better by 0,16 kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque450 Nm
Weight2 060 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
Porsche

Cayenne Coupe

6,22kg/hpcompensated by −55 kg
CharacteristicValueDetail
Power340 hpV6
Torque450 Nm
Weight2 115 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the X5 xDrive40i hits 100 km/h in 5.42 s versus 5.77 s for the Cayenne Coupe. At this point, the X5 xDrive40i leads by 0.35 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 xDrive40i is doing 134 km/h against 131 km/h for the Cayenne Coupe. The gap is 0.18 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 xDrive40i crosses the line in 13.71 s versus 14.00 s. The 0.29 s gap represents roughly 13 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X5 xDrive40i continues to build its lead. At 600 metres, it runs at 184 km/h versus 182 km/h. At 1,000 metres, the X5 xDrive40i finishes in 25.11 s versus 25.64 s, with a 0.53 s lead. Both vehicles have similar top speeds (243 vs 243 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X5 xDrive40i and the Cayenne Coupe are governed to 243 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 (6.06 kg/hp vs 6.22 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.00 seconds. The 0.35 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of X5 xDrive40i F15
Audi Q7 SUVAudi Q7 SUV
Instead of Cayenne Coupe
Audi Q7 SUVAudi Q7 SUVPorsche Cayenne S Coupe

Other duels you might be interested in

AudiVSBMW

Q7 SUV vs X5 xDrive40i

AudiVSPorsche

Q7 SUV vs Cayenne Coupe

AudiVSBMW

Q7 SUV vs X5 xDrive40i

AudiVSPorsche

Q7 SUV vs Cayenne Coupe

Frequently asked questions

Over 0–100 km/h, X5 xDrive40i F15 wins (5,42 s vs 5,77 s).

X5 xDrive40i F15 goes from 0 to 100 km/h in 5,42 seconds (calibrated simulation).

X5 xDrive40i F15: 340 hp, ratio 6,06 kg/hp. Cayenne Coupe: 340 hp, ratio 6,22 kg/hp.

X5 xDrive40i F15: 243 km/h. Cayenne Coupe: 243 km/h.