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Porsche 911 R 991.2 vs Porsche 911 Carrera 4 GTS 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.

sports car · 2016 vs 2015 · Methodology
PorschePetrolFaster

911 R 991.2

500 hp · 460 Nm · 1,370 kg · 2016

VS
PorschePetrol

911 Carrera 4 GTS 991.1

480 hp · 570 Nm · 1,470 kg · 2015

Result · 0–100 km/h

APorsche 911 R 991.2

3.78 s

Gap0.19 sin favour of 911 R
BPorsche 911 Carrera 4 GTS 991.1

3.96 s

Summary · Caralogy simulation
Measure911 R 991.2911 Carrera 4 GTS 991.1Gap
0–100 km/h3.78 s3.96 s0.19 s · 911 R 991.2
400 m standing start11.38 s11.94 s0.56 s · 911 R 991.2
1,000 m standing start20.20 s21.60 s1.40 s · 911 R 991.2
Top speed (electronically limited)325 km/h295 km/h30 km/h · 911 R 991.2
Power-to-weight ratio2.74 kg/hp3.06 kg/hpbetter ratio · 911 R 991.2

Watch the race

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

PorschePetrol911 R 991.2
Speed
0km/h
Timer
0,00s
Distance
0m
PorschePetrol911 Carrera 4 GTS 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.
Stage911 R 991.2911 Carrera 4 GTS 991.1
0–30 km/h1.05 s · tight gap1.06 s
0–50 km/h1.75 s · tight gap1.77 s
0–80 km/h3.05 s2.91 s · tight gap
0–100 km/h3.78 s3.96 s
0–120 km/h4.80 s5.05 s
0–160 km/h6.94 s8.33 s
0–200 km/h10.17 s12.70 s
400 m standing start11.38 s11.94 s
1,000 m standing start20.20 s21.60 s
Top speed325 km/h295 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 R 991.2

2,74kg/hpratio better by 0,32 kg/hp
CharacteristicValueDetail
Power500 hpB6
Torque460 Nm
Weight1 370 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxMANUAL
Porsche

911 Carrera 4 GTS 991.1

3,06kg/hpcompensated by −100 kg
CharacteristicValueDetail
Power480 hpB6
Torque570 Nm
Weight1 470 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxDUAL_CLUTCH

The start: 0 to 100 km/h

Off the line, the 911 R hits 100 km/h in 3.78 s versus 3.97 s for the 911 Carrera 4 GTS. The 0.19 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the 911 R is doing 166 km/h against 154 km/h for the 911 Carrera 4 GTS. The gap is 0.24 s. The gap remains stable from the start.

At 400 metres standing start, the 911 R crosses the line in 11.38 s versus 11.93 s. The 0.56 s gap represents roughly 30 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 911 R continues to build its lead. At 600 metres, it runs at 239 km/h versus 218 km/h. At 1,000 metres, the 911 R finishes in 20.19 s versus 21.59 s, with a 1.40 s lead.

What the numbers don’t tell you

Electronically capped at 304 km/h, the 911 Carrera 4 GTS never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor - it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.

With two combustion powertrains, the difference comes down to power-to-weight ratio (2.74 kg/hp vs 3.06 kg/hp) and transmission (Manual vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 5.73 seconds. The 0.19 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 R 991.2 wins (3,78 s vs 3,96 s).

911 R 991.2 goes from 0 to 100 km/h in 3,78 seconds (calibrated simulation).

911 R 991.2: 500 hp, ratio 2,74 kg/hp. 911 Carrera 4 GTS 991.1: 480 hp, ratio 3,06 kg/hp.

911 R 991.2: 325 km/h. 911 Carrera 4 GTS 991.1: 295 km/h.