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A911vsB230iPetrol
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  • Specs911 · 230i

Porsche 911 Targa 4S 991.1 vs BMW 230i Convertible F22: 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 · 2014 vs 2018 · Methodology
PorschePetrolFaster

911 Targa 4S 991.1

406 hp · 441 Nm · 1,555 kg · 2014

VS
BMWPetrol

230i Convertible F22

252 hp · 350 Nm · 1,575 kg · 2018

Result · 0–100 km/h

APorsche 911 Targa 4S 991.1

4.53 s

Gap1.33 sin favour of 911 Targa 4S
BBMW 230i Convertible F22

5.86 s

Summary · Caralogy simulation
Measure911 Targa 4S 991.1230i Convertible F22Gap
0–100 km/h4.53 s5.86 s1.33 s · 911 Targa 4S 991.1
400 m standing start12.49 s14.21 s1.72 s · 911 Targa 4S 991.1
1,000 m standing start22.38 s26.01 s3.63 s · 911 Targa 4S 991.1
Top speed (electronically limited)295 km/h250 km/h45 km/h · 911 Targa 4S 991.1
Power-to-weight ratio3.83 kg/hp6.25 kg/hpbetter ratio · 911 Targa 4S 991.1

Watch the race

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

PorschePetrol911 Targa 4S 991.1
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol230i Convertible F22
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 Targa 4S 991.1230i Convertible F22
0–30 km/h1.19 s1.38 s
0–50 km/h1.99 s2.29 s
0–80 km/h3.51 s4.18 s
0–100 km/h4.53 s5.86 s
0–120 km/h5.66 s8.10 s
0–160 km/h9.16 s14.44 s
0–200 km/h14.01 s24.93 s
400 m standing start12.49 s14.21 s
1,000 m standing start22.38 s26.01 s
Top speed limited295 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 Targa 4S 991.1

3,83kg/hpratio better by 2,42 kg/hp
CharacteristicValueDetail
Power406 hpB6
Torque441 Nm
Weight1 555 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxMANUAL
BMW

230i Convertible F22

6,25kg/hp
CharacteristicValueDetail
Power252 hp4 cyl
Torque350 Nm
Weight1 575 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the 911 Targa 4S hits 100 km/h in 4.53 s versus 5.86 s for the 230i Convertible. At this point, the 911 Targa 4S leads by 1.33 s and sits roughly 9 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 911 Targa 4S is doing 150 km/h against 129 km/h for the 230i Convertible. The gap is 0.94 s. The challenger starts to claw back ground.

At 400 metres standing start, the 911 Targa 4S crosses the line in 12.49 s versus 14.21 s. The 1.72 s gap represents roughly 74 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 911 Targa 4S continues to build its lead. At 600 metres, it runs at 213 km/h versus 178 km/h. At 1,000 metres, the 911 Targa 4S finishes in 22.38 s versus 26.01 s, with a 3.63 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 911 Targa 4S is capped at 295 km/h, the 230i Convertible 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 (3.83 kg/hp vs 6.25 kg/hp) and transmission (Manual vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.32 seconds. The 1.33 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 230i Convertible F22
BMW Z4 sDrive30i

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Frequently asked questions

Over 0–100 km/h, 911 Targa 4S 991.1 wins (4,53 s vs 5,86 s).

911 Targa 4S 991.1 goes from 0 to 100 km/h in 4,53 seconds (calibrated simulation).

911 Targa 4S 991.1: 406 hp, ratio 3,83 kg/hp. 230i Convertible F22: 252 hp, ratio 6,25 kg/hp.

911 Targa 4S 991.1: 295 km/h. 230i Convertible F22: 250 km/h.