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A911vsB718Petrol
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  • Specs911 · 718

Porsche 911 Carrera 4 991.2 vs Porsche 718 Boxster: 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 · 2017 vs 2017 · Methodology
PorschePetrolFaster

911 Carrera 4 991.2

375 hp · 449 Nm · 1,480 kg · 2017

VS
PorschePetrol

718 Boxster

300 hp · 380 Nm · 1,335 kg · 2017

Result · 0–100 km/h

APorsche 911 Carrera 4 991.2

4.16 s

Gap0.48 sin favour of 911 Carrera 4
BPorsche 718 Boxster

4.64 s

Summary · Caralogy simulation
Measure911 Carrera 4 991.2718 BoxsterGap
0–100 km/h4.16 s4.64 s0.48 s · 911 Carrera 4 991.2
400 m standing start12.19 s12.76 s0.57 s · 911 Carrera 4 991.2
1,000 m standing start22.01 s23.08 s1.07 s · 911 Carrera 4 991.2
Top speed (electronically limited)286 km/h274 km/h12 km/h · 911 Carrera 4 991.2
Power-to-weight ratio3.95 kg/hp4.45 kg/hpbetter ratio · 911 Carrera 4 991.2

Watch the race

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

PorschePetrol911 Carrera 4 991.2
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrol718 Boxster
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 4 991.2718 Boxster
0–30 km/h1.17 s · tight gap1.28 s
0–50 km/h1.96 s2.13 s
0–80 km/h3.21 s3.50 s
0–100 km/h4.16 s4.64 s
0–120 km/h5.39 s6.02 s
0–160 km/h8.56 s9.81 s
0–200 km/h13.31 s15.72 s
400 m standing start12.19 s12.76 s
1,000 m standing start22.01 s23.08 s
Top speed286 km/h274 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 4 991.2

3,95kg/hpratio better by 0,50 kg/hp
CharacteristicValueDetail
Power375 hpB6
Torque449 Nm
Weight1 480 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxDUAL_CLUTCH
Porsche

718 Boxster

4,45kg/hpcompensated by −145 kg
CharacteristicValueDetail
Power300 hpB4
Torque380 Nm
Weight1 335 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxDUAL_CLUTCH

The start: 0 to 100 km/h

Off the line, the 911 Carrera 4 hits 100 km/h in 4.16 s versus 4.65 s for the 718 Boxster. At this point, the 911 Carrera 4 leads by 0.48 s and sits roughly 5 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 911 Carrera 4 is doing 155 km/h against 147 km/h for the 718 Boxster. The gap is 0.37 s. The challenger starts to claw back ground.

At 400 metres standing start, the 911 Carrera 4 crosses the line in 12.19 s versus 12.76 s. The 0.57 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 911 Carrera 4 continues to build its lead. At 600 metres, it runs at 215 km/h versus 204 km/h. At 1,000 metres, the 911 Carrera 4 finishes in 22.00 s versus 23.08 s, with a 1.08 s lead. Both vehicles have similar top speeds (286 vs 274 km/h), preventing any comeback.

What the numbers don’t tell you

The 911 Carrera 4 features all-wheel drive (AWD) against the 718 Boxster’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 911 Carrera 4 is capped at 291 km/h, the 718 Boxster at 274 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 (3.95 kg/hp vs 4.45 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.84 seconds. The 0.48 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 4 991.2 wins (4,16 s vs 4,64 s).

911 Carrera 4 991.2 goes from 0 to 100 km/h in 4,16 seconds (calibrated simulation).

911 Carrera 4 991.2: 375 hp, ratio 3,95 kg/hp. 718 Boxster: 300 hp, ratio 4,45 kg/hp.

911 Carrera 4 991.2: 286 km/h. 718 Boxster: 274 km/h.