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APanameravsBM850iPetrol
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  • SpecsPanamera · M850i

Porsche Panamera Turbo vs BMW M850i xDrive G15: 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 · 2011 vs 2020 · Methodology
PorschePetrol

Panamera Turbo

550 hp · 770 Nm · 1,970 kg · 2011

VS
BMWPetrol

M850i xDrive G15

530 hp · 750 Nm · 1,930 kg · 2020

Result · 0–100 km/h

APorsche Panamera Turbo

3.92 s

Gap0.09 sNot a significant gap
BBMW M850i xDrive G15

3.83 s

Summary · Caralogy simulation
MeasurePanamera TurboM850i xDrive G15Gap
0–100 km/h3.92 s3.83 s0.09 s · M850i xDrive G15
400 m standing start12.02 s11.71 s0.31 s · M850i xDrive G15
1,000 m standing start21.90 s21.08 s0.82 s · M850i xDrive G15
Top speed (electronically limited)293 km/h250 km/h43 km/h · Panamera Turbo
Power-to-weight ratio3.58 kg/hp3.64 kg/hpbetter ratio · Panamera Turbo

Watch the race

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

PorschePetrolPanamera Turbo
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrolM850i xDrive G15
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.
StagePanamera TurboM850i xDrive G15
0–30 km/h1.06 s · tight gap1.10 s
0–50 km/h1.77 s · tight gap1.83 s
0–80 km/h2.85 s · tight gap2.89 s
0–100 km/h3.92 s3.83 s · tight gap
0–120 km/h5.13 s4.88 s
0–160 km/h8.49 s7.71 s
0–200 km/h13.48 s11.70 s
400 m standing start12.02 s11.71 s
1,000 m standing start21.90 s21.08 s
Top speed limited293 km/h250 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

Panamera Turbo

3,58kg/hpratio better by 0,06 kg/hp
CharacteristicValueDetail
Power550 hpV8
Torque770 Nm
Weight1 970 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxDUAL_CLUTCH
BMW

M850i xDrive G15

3,64kg/hp
CharacteristicValueDetail
Power530 hp8 cyl
Torque750 Nm
Weight1 930 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the M850i xDrive hits 100 km/h in 3.83 s versus 3.92 s for the Panamera Turbo. The 0.09 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the M850i xDrive is doing 160 km/h against 153 km/h for the Panamera Turbo. The gap is 0.12 s. The gap remains stable from the start.

At 400 metres standing start, the M850i xDrive crosses the line in 11.71 s versus 12.01 s. The 0.31 s gap represents roughly 16 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M850i xDrive continues to build its lead. At 600 metres, it runs at 224 km/h versus 213 km/h. At 1,000 metres, the M850i xDrive finishes in 21.07 s versus 21.90 s, with a 0.83 s lead. Despite a higher top speed (293 km/h), the Panamera Turbo never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Panamera Turbo is capped at 303 km/h, the M850i xDrive at 250 (i.e. 155 mph - industry threshold) 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 combustion powertrains, the difference comes down to power-to-weight ratio (3.58 kg/hp vs 3.64 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 5.84 seconds. The 0.09 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 Panamera Turbo
Porsche Panamera Turbo
Instead of M850i xDrive G15
BMW M850i xDrive Gran CoupeBMW M850i xDrive Gran CoupeBMW M850i xDrive

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Panamera Turbo vs 750Li xDrive

PorscheVSBMW

Panamera Turbo vs M850i xDrive

Frequently asked questions

Over 0–100 km/h, Panamera Turbo and M850i xDrive G15 are neck and neck (3,83 s vs 3,92 s, no significant gap).

Panamera Turbo goes from 0 to 100 km/h in 3,92 seconds (calibrated simulation).

Panamera Turbo: 550 hp, ratio 3,58 kg/hp. M850i xDrive G15: 530 hp, ratio 3,64 kg/hp.

Panamera Turbo: 293 km/h. M850i xDrive G15: 250 km/h.