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AX5HybridvsBCayenneDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX5 · Cayenne

BMW X5 xDrive40d G05 vs Porsche Cayenne Diesel: 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 · 2021 vs 2013 · Methodology
BMWHybridFaster

X5 xDrive40d G05

340 hp · 700 Nm · 2,200 kg · 2021

VS
PorscheDiesel

Cayenne Diesel

243 hp · 550 Nm · 2,175 kg · 2013

Result · 0–100 km/h

ABMW X5 xDrive40d G05

5.58 s

Gap1.85 sin favour of X5 xDrive40d
BPorsche Cayenne Diesel

7.43 s

Summary · Caralogy simulation
MeasureX5 xDrive40d G05Cayenne DieselGap
0–100 km/h5.58 s7.43 s1.85 s · X5 xDrive40d G05
400 m standing start13.92 s15.43 s1.51 s · X5 xDrive40d G05
1,000 m standing start25.54 s28.51 s2.97 s · X5 xDrive40d G05
Top speed (electronically limited)245 km/h217 km/h28 km/h · X5 xDrive40d G05
Power-to-weight ratio6.47 kg/hp8.95 kg/hpbetter ratio · X5 xDrive40d G05

Watch the race

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

BMWHybridX5 xDrive40d G05
Speed
0km/h
Timer
0,00s
Distance
0m
PorscheDieselCayenne Diesel
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 xDrive40d G05Cayenne Diesel
0–30 km/h1.35 s · tight gap1.48 s
0–50 km/h2.20 s2.59 s
0–80 km/h3.96 s5.03 s
0–100 km/h5.58 s7.43 s
0–120 km/h7.65 s10.43 s
0–160 km/h13.54 s19.71 s
0–200 km/h23.78 s39.81 s
400 m standing start13.92 s15.43 s
1,000 m standing start25.54 s28.51 s
Top speed245 km/h217 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 xDrive40d G05

6,47kg/hpratio better by 2,48 kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 200 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
Porsche

Cayenne Diesel

8,95kg/hp
CharacteristicValueDetail
Power243 hpCompacted graphite iron engine block and aluminum alloy cylinder heads
Torque550 Nm
Weight2 175 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the X5 xDrive40d hits 100 km/h in 5.58 s versus 7.43 s for the Cayenne Diesel. At this point, the X5 xDrive40d leads by 1.85 s and sits roughly 12 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 xDrive40d is doing 131 km/h against 117 km/h for the Cayenne Diesel. The gap is 0.91 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 xDrive40d crosses the line in 13.92 s versus 15.43 s. The 1.51 s gap represents roughly 59 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X5 xDrive40d continues to build its lead. At 600 metres, it runs at 181 km/h versus 161 km/h. At 1,000 metres, the X5 xDrive40d finishes in 25.54 s versus 28.50 s, with a 2.96 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X5 xDrive40d is capped at 245 km/h, the Cayenne Diesel at 217 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 (6.47 kg/hp vs 8.95 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.32 seconds. The 1.85 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.

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Audi Q7 SUVAudi Q7 SUV

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Frequently asked questions

Over 0–100 km/h, X5 xDrive40d G05 wins (5,58 s vs 7,43 s).

X5 xDrive40d G05 goes from 0 to 100 km/h in 5,58 seconds (calibrated simulation).

X5 xDrive40d G05: 340 hp, ratio 6,47 kg/hp. Cayenne Diesel: 243 hp, ratio 8,95 kg/hp.

X5 xDrive40d G05: 245 km/h. Cayenne Diesel: 217 km/h.