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AQ8PHEVvsBCayennePetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsQ8 · Cayenne

Audi Q8 SUV vs Porsche Cayenne GTS: 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 · 2025 vs 2016 · Methodology
AudiPHEV

Q8 SUV

489 hp · 700 Nm · 2,415 kg · 2025

VS
PorschePetrol

Cayenne GTS

440 hp · 600 Nm · 2,110 kg · 2016

Result · 0–100 km/h

AAudi Q8 SUV

4.93 s

Gap0.01 sNot a significant gap
BPorsche Cayenne GTS

4.92 s

Summary · Caralogy simulation
MeasureQ8 SUVCayenne GTSGap
0–100 km/h4.93 s4.92 s0.01 s · Cayenne GTS
400 m standing start13.19 s13.11 s0.08 s · Cayenne GTS
1,000 m standing start23.97 s23.91 s0.06 s · Cayenne GTS
Top speed (electronically limited)240 km/h262 km/h22 km/h · Cayenne GTS
Power-to-weight ratio4.94 kg/hp4.80 kg/hpbetter ratio · Cayenne GTS

Watch the race

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

AudiPHEVQ8 SUV
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrolCayenne GTS
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 GTS
0–30 km/h1.29 s1.27 s · tight gap
0–50 km/h2.14 s2.12 s · tight gap
0–80 km/h3.60 s3.56 s · tight gap
0–100 km/h4.93 s4.92 s · tight gap
0–120 km/h6.58 s6.46 s · tight gap
0–160 km/h11.10 s10.84 s
0–200 km/h18.18 s18.05 s · tight gap
400 m standing start13.19 s13.11 s · tight gap
1,000 m standing start23.97 s23.91 s · tight gap
Top speed240 km/h262 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

4,94kg/hpcompensated by −305 kg
CharacteristicValueDetail
Power489 hpPending
Torque700 Nm
Weight2 415 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Porsche

Cayenne GTS

4,80kg/hpratio better by 0,14 kg/hp
CharacteristicValueDetail
Power440 hpV6
Torque600 Nm
Weight2 110 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the Cayenne GTS hits 100 km/h in 4.92 s versus 4.93 s for the Q8 SUV. Despite lacking instant torque, 440 hp of power compensates. The 0.01 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Cayenne GTS is doing 141 km/h against 140 km/h for the Q8 SUV. The gap is 0.04 s. The gap remains stable from the start.

At 400 metres standing start, the Cayenne GTS crosses the line in 13.11 s versus 13.18 s. The 0.08 s gap represents roughly 4 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne GTS continues to build its lead. At 600 metres, it runs at 195 km/h versus 195 km/h. At 1,000 metres, the Cayenne GTS finishes in 23.91 s versus 23.96 s, with a 0.05 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Q8 SUV is capped at 240 km/h, the Cayenne GTS at 262 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.54 seconds. The 0.01 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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SQ7 SUV vs Cayenne GTS

AudiVSPorsche

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AudiVSPorsche

SQ7 SUV vs Cayenne GTS

Frequently asked questions

Over 0–100 km/h, Q8 SUV and Cayenne GTS are neck and neck (4,92 s vs 4,93 s, no significant gap).

Q8 SUV goes from 0 to 100 km/h in 4,93 seconds (calibrated simulation).

Q8 SUV: 489 hp, ratio 4,94 kg/hp. Cayenne GTS: 440 hp, ratio 4,80 kg/hp.

Q8 SUV: 240 km/h. Cayenne GTS: 262 km/h.