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ASealBEVvsBPanamera 4PHEV
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  • SpecsSeal · Panamera 4

BYD Seal 390 AWD vs Porsche Panamera 4 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.

saloon · 2022 vs 2018 · Methodology
BYDBEVFaster

Seal 390 AWD

530 hp · 670 Nm · 2,150 kg · 2022

VS
PorschePHEV

Panamera 4 E-Hybrid

462 hp · 700 Nm · 2,279 kg · 2018

Result · 0–100 km/h

ABYD Seal 390 AWD

3.77 s

Gap0.78 sin favour of Seal 390 AWD
BPorsche Panamera 4 E-Hybrid

4.55 s

Summary · Caralogy simulation
MeasureSeal 390 AWDPanamera 4 E-HybridGap
0–100 km/h3.77 s4.55 s0.78 s · Seal 390 AWD
400 m standing start11.94 s12.86 s0.92 s · Seal 390 AWD
1,000 m standing start23.93 s23.49 s0.44 s · Panamera 4 E-Hybrid
Top speed (electronically limited)180 km/h273 km/h93 km/h · Panamera 4 E-Hybrid
Power-to-weight ratio4.06 kg/hp4.93 kg/hpbetter ratio · Seal 390 AWD

Watch the race

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

BYDBEVSeal 390 AWD
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePHEVPanamera 4 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.
StageSeal 390 AWDPanamera 4 E-Hybrid
0–30 km/h1.07 s · tight gap1.19 s
0–50 km/h1.78 s1.96 s
0–80 km/h2.87 s3.33 s
0–100 km/h3.77 s4.55 s
0–120 km/h4.90 s6.18 s
0–160 km/h8.21 s10.44 s
0–200 km/h-17.10 s
400 m standing start11.94 s12.86 s
1,000 m standing start23.93 s23.49 s
Top speed180 km/h273 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.

BYD

Seal 390 AWD

4,06kg/hpratio better by 0,88 kg/hp
CharacteristicValueDetail
Power530 hpPending
Torque670 Nm
Weight2 150 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearboxsingle-speed reduction AWD
Porsche

Panamera 4 E-Hybrid

4,93kg/hpcompensated by −129 kg
CharacteristicValueDetail
Power462 hpV6
Torque700 Nm
Weight2 279 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxDUAL_CLUTCH

The start: 0 to 100 km/h

Off the line, the Seal 390 AWD hits 100 km/h in 3.77 s versus 4.56 s for the Panamera 4 E-Hybrid. At this point, the Seal 390 AWD leads by 0.78 s and sits roughly 6 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Seal 390 AWD is doing 155 km/h against 143 km/h for the Panamera 4 E-Hybrid. The gap is 0.61 s. The challenger starts to claw back ground.

At 400 metres standing start, the Seal 390 AWD crosses the line in 11.93 s versus 12.86 s. The 0.93 s gap represents roughly 45 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. The Seal 390 AWD maxes out at 180 km/h while the Panamera 4 E-Hybrid keeps accelerating towards 273 km/h. At 600 metres, the gap has dropped to 0.77 s.

Around 879 metres, both vehicles are level. This is the inversion point: the Panamera 4 E-Hybrid overcomes its launch deficit thanks to a 93 km/h higher top speed.

At 1,000 metres, the Panamera 4 E-Hybrid finishes in 23.49 s versus 23.93 s. The 0.44 s delta shows an extremely tight race.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Seal 390 AWD is capped at 180 km/h, the Panamera 4 E-Hybrid 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 plug-in hybrid powertrains, the difference comes down to power-to-weight ratio (4.06 kg/hp vs 4.93 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.10 seconds. The 0.78 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, Seal 390 AWD wins (3,77 s vs 4,55 s).

Seal 390 AWD goes from 0 to 100 km/h in 3,77 seconds (calibrated simulation).

Seal 390 AWD: 530 hp, ratio 4,06 kg/hp. Panamera 4 E-Hybrid: 462 hp, ratio 4,93 kg/hp.

Seal 390 AWD: 180 km/h. Panamera 4 E-Hybrid: 273 km/h.