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AQ8vsBCayennePHEV
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  • SpecsQ8 · Cayenne

Audi Q8 SUV vs Porsche Cayenne E-Hybrid: 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 2019 · Methodology
AudiPHEV

Q8 SUV

489 hp · 700 Nm · 2,415 kg · 2025

VS
PorschePHEVFaster

Cayenne E-Hybrid

461 hp · 700 Nm · 2,295 kg · 2019

Result · 0–100 km/h

AAudi Q8 SUV

4.93 s

Gap0.19 sin favour of Cayenne E-Hybrid
BPorsche Cayenne E-Hybrid

4.74 s

Summary · Caralogy simulation
MeasureQ8 SUVCayenne E-HybridGap
0–100 km/h4.93 s4.74 s0.19 s · Cayenne E-Hybrid
400 m standing start13.19 s13.02 s0.17 s · Cayenne E-Hybrid
1,000 m standing start23.97 s23.82 s0.15 s · Cayenne E-Hybrid
Top speed (electronically limited)240 km/h253 km/h13 km/h · Cayenne E-Hybrid
Power-to-weight ratio4.94 kg/hp4.98 kg/hpbetter ratio · Q8 SUV

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
PorschePHEVCayenne E-Hybrid
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 E-Hybrid
0–30 km/h1.29 s1.17 s · tight gap
0–50 km/h2.14 s1.94 s
0–80 km/h3.60 s3.37 s
0–100 km/h4.93 s4.74 s
0–120 km/h6.58 s6.35 s
0–160 km/h11.10 s10.95 s
0–200 km/h18.18 s18.13 s · tight gap
400 m standing start13.19 s13.02 s
1,000 m standing start23.97 s23.82 s · tight gap
Top speed240 km/h253 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/hpratio better by 0,04 kg/hp
CharacteristicValueDetail
Power489 hpPending
Torque700 Nm
Weight2 415 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Porsche

Cayenne E-Hybrid

4,98kg/hpcompensated by −120 kg
CharacteristicValueDetail
Power461 hpV6
Torque700 Nm
Weight2 295 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER

The start: 0 to 100 km/h

Off the line, the Cayenne E-Hybrid hits 100 km/h in 4.74 s versus 4.93 s for the Q8 SUV. At this point, the Cayenne E-Hybrid leads by 0.19 s and sits roughly 4 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne E-Hybrid is doing 141 km/h against 140 km/h for the Q8 SUV. The gap is 0.17 s. The gap remains stable from the start.

At 400 metres standing start, the Cayenne E-Hybrid crosses the line in 13.01 s versus 13.18 s. The 0.17 s gap represents roughly 8 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayenne E-Hybrid continues to build its lead. At 600 metres, it runs at 195 km/h versus 195 km/h. At 1,000 metres, the Cayenne E-Hybrid finishes in 23.81 s versus 23.96 s, with a 0.15 s lead. Both vehicles have similar top speeds (240 vs 253 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 240 km/h, the Cayenne E-Hybrid at 253 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 plug-in hybrid powertrains, the difference comes down to power-to-weight ratio (4.94 kg/hp vs 4.98 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.54 seconds. The 0.19 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 E-Hybrid
Volvo XC90 T8 AWD RechargePorsche Cayenne E-Hybrid Coupe

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BMWVSPorsche

ActiveHybrid X6 vs Cayenne E-Hybrid

Frequently asked questions

Over 0–100 km/h, Cayenne E-Hybrid wins (4,74 s vs 4,93 s).

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 E-Hybrid: 461 hp, ratio 4,98 kg/hp.

Q8 SUV: 240 km/h. Cayenne E-Hybrid: 253 km/h.