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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 · 2010 vs 2018 · Methodology
PorschePetrol

Panamera Turbo

550 hp · 770 Nm · 1,970 kg · 2010

VS
BMWPetrolFaster

M850i xDrive G15

530 hp · 750 Nm · 1,890 kg · 2018

Result · 0–100 km/h

APorsche Panamera Turbo

4.16 s

Gap0.40 sin favour of M850i xDrive
BBMW M850i xDrive G15

3.76 s

Summary · Caralogy simulation
MeasurePanamera TurboM850i xDrive G15Gap
0–100 km/h4.16 s3.76 s0.40 s · M850i xDrive G15
400 m standing start12.22 s11.66 s0.56 s · M850i xDrive G15
1,000 m standing start22.11 s20.97 s1.14 s · M850i xDrive G15
Top speed (electronically limited)293 km/h250 km/h43 km/h · Panamera Turbo
Power-to-weight ratio3.58 kg/hp3.57 kg/hpbetter ratio · M850i xDrive G15

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/h1.17 s1.13 s · tight gap
0–50 km/h1.95 s1.85 s · tight gap
0–80 km/h3.09 s2.92 s
0–100 km/h4.16 s3.76 s
0–120 km/h5.37 s4.79 s
0–160 km/h8.73 s7.55 s
0–200 km/h13.72 s11.52 s
400 m standing start12.22 s11.66 s
1,000 m standing start22.11 s20.97 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/hpcompensated by −80 kg
CharacteristicValueDetail
Power550 hpV8
Torque770 Nm
Weight1 970 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxDUAL_CLUTCH
BMW

M850i xDrive G15

3,57kg/hpratio better by 0,02 kg/hp
CharacteristicValueDetail
Power530 hpPending
Torque750 Nm
Weight1 890 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the M850i xDrive hits 100 km/h in 3.76 s versus 4.16 s for the Panamera Turbo. At this point, the M850i xDrive leads by 0.40 s and sits roughly 3 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M850i xDrive is doing 162 km/h against 153 km/h for the Panamera Turbo. The gap is 0.33 s. The gap remains stable from the start.

At 400 metres standing start, the M850i xDrive crosses the line in 11.65 s versus 12.21 s. The 0.56 s gap represents roughly 29 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 226 km/h versus 212 km/h. At 1,000 metres, the M850i xDrive finishes in 20.97 s versus 22.11 s, with a 1.14 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 3.57 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.08 seconds. The 0.40 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 TurboPorsche Panamera 4SPorsche Panamera 4S
Instead of M850i xDrive G15
BMW M850i xDriveBMW M8 Competition CoupeBMW M850i xDrive Gran Coupe

Other duels you might be interested in

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Panamera Turbo vs 750i xDrive

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Panamera Turbo vs 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, M850i xDrive G15 wins (3,76 s vs 4,16 s).

Panamera Turbo goes from 0 to 100 km/h in 4,16 seconds (calibrated simulation).

Panamera Turbo: 550 hp, ratio 3,58 kg/hp. M850i xDrive G15: 530 hp, ratio 3,57 kg/hp.

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