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AM5vsB911Petrol
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  • PerformancePerformance0-100, top speed
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  • SpecsM5 · 911

BMW M5 CS F90 vs Porsche 911 Carrera Cab 991.1: 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.

grand tourer · 2021 vs 2011 · Methodology
BMWPetrolFaster

M5 CS F90

635 hp · 750 Nm · 1,825 kg · 2021

VS
PorschePetrol

911 Carrera Cab 991.1

350 hp · 390 Nm · 1,500 kg · 2011

Result · 0–100 km/h

ABMW M5 CS F90

3.03 s

Gap1.49 sin favour of M5 CS
BPorsche 911 Carrera Cab 991.1

4.51 s

Summary · Caralogy simulation
MeasureM5 CS F90911 Carrera Cab 991.1Gap
0–100 km/h3.03 s4.51 s1.49 s · M5 CS F90
400 m standing start10.82 s12.62 s1.80 s · M5 CS F90
1,000 m standing start19.94 s22.73 s2.79 s · M5 CS F90
Top speed (electronically limited)295 km/h289 km/h6 km/h · M5 CS F90
Power-to-weight ratio2.87 kg/hp4.29 kg/hpbetter ratio · M5 CS F90

Watch the race

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

BMWPetrolM5 CS F90
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrol911 Carrera Cab 991.1
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.
StageM5 CS F90911 Carrera Cab 991.1
0–30 km/h0.91 s1.23 s
0–50 km/h1.51 s2.06 s
0–80 km/h2.37 s3.43 s
0–100 km/h3.03 s4.51 s
0–120 km/h3.74 s5.88 s
0–160 km/h6.21 s9.48 s
0–200 km/h9.97 s14.83 s
400 m standing start10.82 s12.62 s
1,000 m standing start19.94 s22.73 s
Top speed295 km/h289 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.

BMW

M5 CS F90

2,87kg/hpratio better by 1,41 kg/hp
CharacteristicValueDetail
Power635 hpPending
Torque750 Nm
Weight1 825 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed M Steptronic transmission with Drivelogic, transmission oil cooling
Porsche

911 Carrera Cab 991.1

4,29kg/hpcompensated by −325 kg
CharacteristicValueDetail
Power350 hp6 cyl
Torque390 Nm
Weight1 500 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the M5 CS hits 100 km/h in 3.03 s versus 4.52 s for the 911 Carrera Cab. At this point, the M5 CS leads by 1.49 s and sits roughly 12 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M5 CS is doing 170 km/h against 148 km/h for the 911 Carrera Cab. The gap is 1.29 s. The challenger starts to claw back ground.

At 400 metres standing start, the M5 CS crosses the line in 10.81 s versus 12.62 s. The 1.80 s gap represents roughly 89 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M5 CS continues to build its lead. At 600 metres, it runs at 231 km/h versus 208 km/h. At 1,000 metres, the M5 CS finishes in 19.94 s versus 22.72 s, with a 2.78 s lead. Both vehicles have similar top speeds (295 vs 289 km/h), preventing any comeback.

What the numbers don’t tell you

The M5 CS features all-wheel drive (AWD) against the 911 Carrera Cab’s RWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.

Both rivals are electronically governed, but not at the same level: the M5 CS is capped at 305 km/h, the 911 Carrera Cab at 289 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 (2.87 kg/hp vs 4.29 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.73 seconds. The 1.49 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, M5 CS F90 wins (3,03 s vs 4,51 s).

M5 CS F90 goes from 0 to 100 km/h in 3,03 seconds (calibrated simulation).

M5 CS F90: 635 hp, ratio 2,87 kg/hp. 911 Carrera Cab 991.1: 350 hp, ratio 4,29 kg/hp.

M5 CS F90: 295 km/h. 911 Carrera Cab 991.1: 289 km/h.