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AQ8vsBCayennePetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsQ8 · Cayenne

Audi Q8 SUV vs Porsche Cayenne: 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 · 2026 vs 2019 · Methodology
AudiPetrol

Q8 SUV

340 hp · 500 Nm · 2,100 kg · 2026

VS
PorschePetrol

Cayenne

340 hp · 450 Nm · 1,985 kg · 2019

Result · 0–100 km/h

AAudi Q8 SUV

5.57 s

Gap0.06 sNot a significant gap
BPorsche Cayenne

5.63 s

Summary · Caralogy simulation
MeasureQ8 SUVCayenneGap
0–100 km/h5.57 s5.63 s0.06 s · Q8 SUV
400 m standing start13.90 s13.87 s0.03 s · Cayenne
1,000 m standing start25.54 s25.36 s0.18 s · Cayenne
Top speed (electronically limited)244 km/h245 km/h1 km/h · Cayenne
Power-to-weight ratio6.18 kg/hp5.84 kg/hpbetter ratio · Cayenne

Watch the race

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

AudiPetrolQ8 SUV
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne
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.
StageQ8 SUVCayenne
0–30 km/h1.32 s · tight gap1.33 s
0–50 km/h2.23 s · tight gap2.24 s
0–80 km/h3.97 s · tight gap4.02 s
0–100 km/h5.57 s · tight gap5.63 s
0–120 km/h7.62 s7.59 s · tight gap
0–160 km/h13.49 s13.19 s
0–200 km/h23.95 s23.12 s
400 m standing start13.90 s13.87 s · tight gap
1,000 m standing start25.54 s25.36 s
Top speed244 km/h245 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.

Audi

Q8 SUV

6,18kg/hpcompensated by −115 kg
CharacteristicValueDetail
Power340 hpPending
Torque500 Nm
Weight2 100 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Porsche

Cayenne

5,84kg/hpratio better by 0,34 kg/hp
CharacteristicValueDetail
Power340 hpV6
Torque450 Nm
Weight1 985 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the Q8 SUV hits 100 km/h in 5.57 s versus 5.63 s for the Cayenne. The 0.06 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Q8 SUV is doing 131 km/h against 133 km/h for the Cayenne. The gap is 0.02 s. The gap remains stable from the start.

At 400 metres standing start, the Cayenne crosses the line in 13.87 s versus 13.90 s. The 0.03 s gap represents roughly 1 m of track

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 25.53 s, with a 0.18 s lead. Both vehicles have similar top speeds (244 vs 245 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Q8 SUV is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Cayenne at 245 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 (6.18 kg/hp vs 5.84 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.84 seconds. The 0.06 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 Cayenne
BMW X5 xDrive40iPorsche Cayenne S Coupe

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Q8 SUV vs X5 xDrive40i

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AudiVSPorsche

Q8 SUV vs Cayenne Coupe

AudiVSPorsche

Q7 SUV vs Cayenne

Frequently asked questions

Over 0–100 km/h, Q8 SUV and Cayenne are neck and neck (5,57 s vs 5,63 s, no significant gap).

Q8 SUV goes from 0 to 100 km/h in 5,57 seconds (calibrated simulation).

Q8 SUV: 340 hp, ratio 6,18 kg/hp. Cayenne: 340 hp, ratio 5,84 kg/hp.

Q8 SUV: 244 km/h. Cayenne: 245 km/h.