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AS8PetrolvsBSealBEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsS8 · Seal

Audi S8 vs BYD Seal 390 AWD: 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 2022 · Methodology
AudiPetrol

S8

571 hp · 800 Nm · 2,220 kg · 2025

VS
BYDBEV

Seal 390 AWD

530 hp · 670 Nm · 2,150 kg · 2022

Result · 0–100 km/h

AAudi S8

3.83 s

Gap0.06 sNot a significant gap
BBYD Seal 390 AWD

3.77 s

Summary · Caralogy simulation
MeasureS8Seal 390 AWDGap
0–100 km/h3.83 s3.77 s0.06 s · Seal 390 AWD
400 m standing start11.81 s11.94 s0.13 s · S8
1,000 m standing start21.27 s23.93 s2.66 s · S8
Top speed (electronically limited)250 km/h180 km/h70 km/h · S8
Power-to-weight ratio3.89 kg/hp4.06 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
BYDBEVSeal 390 AWD
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.
StageS8Seal 390 AWD
0–30 km/h1.07 s1.07 s
0–50 km/h1.78 s1.78 s
0–80 km/h2.88 s2.87 s · tight gap
0–100 km/h3.83 s3.77 s · tight gap
0–120 km/h4.97 s4.90 s · tight gap
0–160 km/h7.99 s8.21 s
0–200 km/h12.24 s-
400 m standing start11.81 s · tight gap11.94 s
1,000 m standing start21.27 s23.93 s
Top speed limited250 km/h180 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 0,17 kg/hp
CharacteristicValueDetail
Power571 hpPending
Torque800 Nm
Weight2 220 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
BYD

Seal 390 AWD

4,06kg/hpcompensated by −70 kg
CharacteristicValueDetail
Power530 hpPending
Torque670 Nm
Weight2 150 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearboxsingle-speed reduction AWD

The start: 0 to 100 km/h

Off the line, the Seal 390 AWD hits 100 km/h in 3.77 s versus 3.83 s for the S8. The instant torque of 670 Nm from the electric motor makes the difference. The 0.06 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Seal 390 AWD is doing 155 km/h against 157 km/h for the S8. The gap is 0.00 s. The gap remains stable from the start.

At 400 metres standing start, the S8 crosses the line in 11.81 s versus 11.93 s. The 0.13 s gap represents roughly 6 m of track - barely a car length.

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 180 km/h. At 1,000 metres, the S8 finishes in 21.26 s versus 23.93 s, with a 2.67 s lead.

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 Seal 390 AWD at 180 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 5.62 seconds. The 0.06 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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i4 M50 xDrive vs Seal 390 AWD

AudiVSPorsche

S8 vs Panamera Turbo

BYDVSTesla

Seal 390 AWD vs Model 3 Performance

Frequently asked questions

Over 0–100 km/h, S8 and Seal 390 AWD are neck and neck (3,77 s vs 3,83 s, no significant gap).

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

S8: 571 hp, ratio 3,89 kg/hp. Seal 390 AWD: 530 hp, ratio 4,06 kg/hp.

S8: 250 km/h. Seal 390 AWD: 180 km/h.