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AS8vsBCayennePetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsS8 · Cayenne

Audi S8 vs Porsche Cayenne Turbo: 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.

limousine · 2025 vs 2011 · Methodology
AudiPetrolFaster

S8

571 hp · 800 Nm · 2,220 kg · 2025

VS
PorschePetrol

Cayenne Turbo

500 hp · 750 Nm · 2,170 kg · 2011

Result · 0–100 km/h

AAudi S8

3.83 s

Gap0.63 sin favour of S8
BPorsche Cayenne Turbo

4.46 s

Summary · Caralogy simulation
MeasureS8Cayenne TurboGap
0–100 km/h3.83 s4.46 s0.63 s · S8
400 m standing start11.81 s12.60 s0.79 s · S8
1,000 m standing start21.27 s22.79 s1.52 s · S8
Top speed (electronically limited)250 km/h278 km/h28 km/h · Cayenne Turbo
Power-to-weight ratio3.89 kg/hp4.34 kg/hpbetter ratio · S8

Watch the race

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

AudiPetrolS8
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne Turbo
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.
StageS8Cayenne Turbo
0–30 km/h1.07 s1.24 s
0–50 km/h1.78 s2.07 s
0–80 km/h2.88 s3.38 s
0–100 km/h3.83 s4.46 s
0–120 km/h4.97 s5.86 s
0–160 km/h7.99 s9.54 s
0–200 km/h12.24 s15.21 s
400 m standing start11.81 s12.60 s
1,000 m standing start21.27 s22.79 s
Top speed limited250 km/h278 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

S8

3,89kg/hpratio better by 0,45 kg/hp
CharacteristicValueDetail
Power571 hpPending
Torque800 Nm
Weight2 220 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Porsche

Cayenne Turbo

4,34kg/hp
CharacteristicValueDetail
Power500 hpV8
Torque750 Nm
Weight2 170 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the S8 hits 100 km/h in 3.83 s versus 4.46 s for the Cayenne Turbo. At this point, the S8 leads by 0.63 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the S8 is doing 157 km/h against 149 km/h for the Cayenne Turbo. The gap is 0.53 s. The gap remains stable from the start.

At 400 metres standing start, the S8 crosses the line in 11.81 s versus 12.59 s. The 0.78 s gap represents roughly 40 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the S8 continues to build its lead. At 600 metres, it runs at 222 km/h versus 206 km/h. At 1,000 metres, the S8 finishes in 21.26 s versus 22.79 s, with a 1.52 s lead. Despite a higher top speed (278 km/h), the Cayenne Turbo never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the S8 is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Cayenne Turbo at 278 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 (3.89 kg/hp vs 4.34 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.61 seconds. The 0.63 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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S8 vs Panamera Turbo

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SQ7 SUV vs Cayenne Turbo

Frequently asked questions

Over 0–100 km/h, S8 wins (3,83 s vs 4,46 s).

S8 goes from 0 to 100 km/h in 3,83 seconds (calibrated simulation).

S8: 571 hp, ratio 3,89 kg/hp. Cayenne Turbo: 500 hp, ratio 4,34 kg/hp.

S8: 250 km/h. Cayenne Turbo: 278 km/h.