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Home›Duel›Porsche 911 vs Porsche 718

Performance comparison

Porsche 911 Carrera T 991.2 vs Porsche 718 Cayman: 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.

PorschePetrolFaster

911 Carrera T 991.2

345 hp · 390 Nm · 1,425 kg · 2018

VS
PorschePetrol

718 Cayman

300 hp · 380 Nm · 1,335 kg · 2018

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

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.

911 Carrera T 991.2718 Cayman
0–100 km/h4,47 s−0,09 s4,56 s
400 m standing start12,47 s−0,19 s12,66 s
1,000 m standing start22,25 s−0,64 s22,89 s
Top speed (electronically limited)293 km/h+19 km/h274 km/h
Power-to-weight ratio4,13 kg/hpbetter ratio4,45 kg/hp

Watch the race

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

PorschePetrol911 Carrera T 991.2
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrol718 Cayman
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. Winner in green.

Palier911 Carrera T 991.2718 Cayman
0–30 km/h1,22 s1,28 stight gap
0–50 km/h2,04 s2,13 stight gap
0–80 km/h3,54 s3,50 stight gap
0–100 km/h4,47 s4,56 stight gap
0–120 km/h5,89 s5,89 s
0–160 km/h8,94 s9,50 s
0–200 km/h13,69 s15,19 s
400 m standing start12,47 s12,66 s
1,000 m standing start22,25 s22,89 s
Top speed293 km/h274 km/h

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

Porsche

911 Carrera T 991.2

4,13kg/hpratio better by 0,32 kg/hp
CharacteristicValueDetail
Power345 hpB6
Torque390 Nm
Weight1 425 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxMANUAL
Porsche

718 Cayman

4,45kg/hpcompensated by −90 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 T hits 100 km/h in 4.47 s versus 4.56 s for the 718 Cayman. The 0.09 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the 911 Carrera T is doing 153 km/h against 149 km/h for the 718 Cayman. The gap is 0.07 s. The gap remains stable from the start.

At 400 metres standing start, the 911 Carrera T crosses the line in 12.47 s versus 12.65 s. The 0.18 s gap represents roughly 9 m of track — barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 911 Carrera T continues to build its lead. At 600 metres, it runs at 216 km/h versus 206 km/h. At 1,000 metres, the 911 Carrera T finishes in 22.25 s versus 22.89 s, with a 0.64 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 911 Carrera T is capped at 293 km/h, the 718 Cayman 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 (4.13 kg/hp vs 4.45 kg/hp) and transmission (Manual vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.70 seconds. The 0.09 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 911 Carrera T 991.2
Porsche 911 Carrera T PDKPorsche 911 Carrera 4 (PDK w/Sport Chrono Package Plus)Porsche 911 Carrera 4S (PDK w/Sport Chrono Package Plus)
Instead of 718 Cayman
Porsche 911 Carrera T PDKPorsche 911 Carrera 4 (PDK w/Sport Chrono Package Plus)Porsche 911 Carrera 4S (PDK w/Sport Chrono Package Plus)

Frequently asked questions

Sur 0–100 km/h, 911 Carrera T 991.2 gagne (4,47 s vs 4,56 s).

911 Carrera T 991.2 passe de 0 à 100 km/h en 4,47 secondes (simulation calibrée).

911 Carrera T 991.2 : 345 hp, ratio 4,13 kg/hp. 718 Cayman : 300 hp, ratio 4,45 kg/hp.

911 Carrera T 991.2 : 293 km/h. 718 Cayman : 274 km/h.