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A911vsB430iPetrol
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  • Specs911 · 430i

Porsche 911 Carrera GTS 991.2 vs BMW 430i G22: 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.

sports car · 2018 vs 2021 · Methodology
PorschePetrolFaster

911 Carrera GTS 991.2

480 hp · 570 Nm · 1,450 kg · 2018

VS
BMWPetrol

430i G22

258 hp · 400 Nm · 1,545 kg · 2021

Result · 0–100 km/h

APorsche 911 Carrera GTS 991.2

3.65 s

Gap2.08 sin favour of 911 Carrera GTS
BBMW 430i G22

5.73 s

Summary · Caralogy simulation
Measure911 Carrera GTS 991.2430i G22Gap
0–100 km/h3.65 s5.73 s2.08 s · 911 Carrera GTS 991.2
400 m standing start11.42 s13.98 s2.56 s · 911 Carrera GTS 991.2
1,000 m standing start20.50 s25.35 s4.85 s · 911 Carrera GTS 991.2
Top speed (electronically limited)311 km/h250 km/h61 km/h · 911 Carrera GTS 991.2
Power-to-weight ratio3.02 kg/hp5.99 kg/hpbetter ratio · 911 Carrera GTS 991.2

Watch the race

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

PorschePetrol911 Carrera GTS 991.2
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol430i G22
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.
Stage911 Carrera GTS 991.2430i G22
0–30 km/h1.08 s1.42 s
0–50 km/h1.80 s2.36 s
0–80 km/h2.89 s4.12 s
0–100 km/h3.65 s5.73 s
0–120 km/h4.62 s7.73 s
0–160 km/h7.09 s13.25 s
0–200 km/h10.65 s22.00 s
400 m standing start11.42 s13.98 s
1,000 m standing start20.50 s25.35 s
Top speed limited311 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

911 Carrera GTS 991.2

3,02kg/hpratio better by 2,97 kg/hp
CharacteristicValueDetail
Power480 hpB6
Torque570 Nm
Weight1 450 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxDUAL_CLUTCH
BMW

430i G22

5,99kg/hpcompensated by −95 kg
CharacteristicValueDetail
Power258 hp4 cyl
Torque400 Nm
Weight1 545 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 911 Carrera GTS hits 100 km/h in 3.65 s versus 5.73 s for the 430i. At this point, the 911 Carrera GTS leads by 2.08 s and sits roughly 13 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 911 Carrera GTS is doing 166 km/h against 132 km/h for the 430i. The gap is 1.57 s. The challenger starts to claw back ground.

At 400 metres standing start, the 911 Carrera GTS crosses the line in 11.41 s versus 13.97 s. The 2.56 s gap represents roughly 111 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 911 Carrera GTS continues to build its lead. At 600 metres, it runs at 230 km/h versus 185 km/h. At 1,000 metres, the 911 Carrera GTS finishes in 20.49 s versus 25.35 s, with a 4.85 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 911 Carrera GTS is capped at 311 km/h, the 430i 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 (3.02 kg/hp vs 5.99 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.91 seconds. The 2.08 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, 911 Carrera GTS 991.2 wins (3,65 s vs 5,73 s).

911 Carrera GTS 991.2 goes from 0 to 100 km/h in 3,65 seconds (calibrated simulation).

911 Carrera GTS 991.2: 480 hp, ratio 3,02 kg/hp. 430i G22: 258 hp, ratio 5,99 kg/hp.

911 Carrera GTS 991.2: 311 km/h. 430i G22: 250 km/h.