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ACayennevsBQ8PHEV
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  • SpecsCayenne · Q8

Porsche Cayenne E-Hybrid vs Audi Q8 SUV: 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 · 2019 vs 2025 · Methodology
PorschePHEVFaster

Cayenne E-Hybrid

461 hp · 700 Nm · 2,295 kg · 2019

VS
AudiPHEV

Q8 SUV

394 hp · 600 Nm · 2,415 kg · 2025

Result · 0–100 km/h

APorsche Cayenne E-Hybrid

4.74 s

Gap0.86 sin favour of Cayenne E-Hybrid
BAudi Q8 SUV

5.60 s

Summary · Caralogy simulation
MeasureCayenne E-HybridQ8 SUVGap
0–100 km/h4.74 s5.60 s0.86 s · Cayenne E-Hybrid
400 m standing start13.02 s13.94 s0.92 s · Cayenne E-Hybrid
1,000 m standing start23.82 s25.66 s1.84 s · Cayenne E-Hybrid
Top speed (electronically limited)253 km/h240 km/h13 km/h · Cayenne E-Hybrid
Power-to-weight ratio4.98 kg/hp6.13 kg/hpbetter ratio · Cayenne E-Hybrid

Watch the race

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

PorschePHEVCayenne E-Hybrid
Speed
0km/h
Timer
0,00s
Distance
0m
AudiPHEVQ8 SUV
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.
StageCayenne E-HybridQ8 SUV
0–30 km/h1.17 s · tight gap1.31 s
0–50 km/h1.94 s2.20 s
0–80 km/h3.37 s3.96 s
0–100 km/h4.74 s5.60 s
0–120 km/h6.35 s7.69 s
0–160 km/h10.95 s13.73 s
0–200 km/h18.13 s24.79 s
400 m standing start13.02 s13.94 s
1,000 m standing start23.82 s25.66 s
Top speed253 km/h240 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.

Porsche

Cayenne E-Hybrid

4,98kg/hpratio better by 1,15 kg/hp
CharacteristicValueDetail
Power461 hpV6
Torque700 Nm
Weight2 295 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxTORQUE_CONVERTER
Audi

Q8 SUV

6,13kg/hpcompensated by −120 kg
CharacteristicValueDetail
Power394 hpPending
Torque600 Nm
Weight2 415 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic

The start: 0 to 100 km/h

Off the line, the Cayenne E-Hybrid hits 100 km/h in 4.74 s versus 5.60 s for the Q8 SUV. At this point, the Cayenne E-Hybrid leads by 0.86 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayenne E-Hybrid is doing 141 km/h against 131 km/h for the Q8 SUV. The gap is 0.57 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayenne E-Hybrid crosses the line in 13.01 s versus 13.94 s. The 0.92 s gap represents roughly 41 m of track - a gap visible to the naked eye.

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 180 km/h. At 1,000 metres, the Cayenne E-Hybrid finishes in 23.81 s versus 25.66 s, with a 1.85 s lead. Both vehicles have similar top speeds (253 vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Cayenne E-Hybrid is capped at 253 km/h, the Q8 SUV at 240 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 (4.98 kg/hp vs 6.13 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.93 seconds. The 0.86 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
BMW X5 xDrive45e
Instead of Q8 SUV
Audi Q8 SUV

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Frequently asked questions

Over 0–100 km/h, Cayenne E-Hybrid wins (4,74 s vs 5,60 s).

Cayenne E-Hybrid goes from 0 to 100 km/h in 4,74 seconds (calibrated simulation).

Cayenne E-Hybrid: 461 hp, ratio 4,98 kg/hp. Q8 SUV: 394 hp, ratio 6,13 kg/hp.

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