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ACaymanPetrolvsB218dDiesel
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  • SpecsCayman · 218d

Porsche Cayman vs BMW 218d 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

Cayman

279 hp · 289 Nm · 1,310 kg · 2014

VS
BMWDiesel

218d Convertible F22

150 hp · 320 Nm · 1,565 kg · 2018

Result · 0–100 km/h

APorsche Cayman

5.52 s

Gap3.60 sin favour of Cayman
BBMW 218d Convertible F22

9.12 s

Summary · Caralogy simulation
MeasureCayman218d Convertible F22Gap
0–100 km/h5.52 s9.12 s3.60 s · Cayman
400 m standing start13.64 s16.65 s3.01 s · Cayman
1,000 m standing start24.69 s30.48 s5.79 s · Cayman
Top speed (electronically limited)253 km/h208 km/h45 km/h · Cayman
Power-to-weight ratio4.70 kg/hp10.43 kg/hpbetter ratio · Cayman

Watch the race

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

PorschePetrolCayman
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel218d 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.
StageCayman218d Convertible F22
0–30 km/h1.38 s1.81 s
0–50 km/h2.30 s3.17 s
0–80 km/h4.02 s6.35 s
0–100 km/h5.52 s9.12 s
0–120 km/h7.16 s12.95 s
0–160 km/h12.01 s24.66 s
0–200 km/h19.90 s57.98 s
400 m standing start13.64 s16.65 s
1,000 m standing start24.69 s30.48 s
Top speed253 km/h208 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

Cayman

4,70kg/hpratio better by 5,74 kg/hp
CharacteristicValueDetail
Power279 hpAluminum block and heads
Torque289 Nm
Weight1 310 kgmanufacturer kerb weight
DrivetrainPropulsion
Gearbox6-speed
BMW

218d Convertible F22

10,43kg/hpcompensated by −255 kg
CharacteristicValueDetail
Power150 hp4 cyl
Torque320 Nm
Weight1 565 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic)

The start: 0 to 100 km/h

Off the line, the Cayman hits 100 km/h in 5.52 s versus 9.12 s for the 218d Convertible. At this point, the Cayman leads by 3.60 s and sits roughly 22 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Cayman is doing 136 km/h against 109 km/h for the 218d Convertible. The gap is 1.83 s. The challenger starts to claw back ground.

At 400 metres standing start, the Cayman crosses the line in 13.64 s versus 16.65 s. The 3.01 s gap represents roughly 108 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Cayman continues to build its lead. At 600 metres, it runs at 190 km/h versus 152 km/h. At 1,000 metres, the Cayman finishes in 24.68 s versus 30.48 s, with a 5.80 s lead.

What the numbers don’t tell you

Electronically capped at 208 km/h, the 218d Convertible 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 (4.70 kg/hp vs 10.43 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 15.20 seconds. The 3.60 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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218d Convertible vs A3 Sedan

PorscheVSBMW

Cayman vs Z4 sDrive30i

BMWVSAudi

218d Convertible vs A3 Sportback

Frequently asked questions

Over 0–100 km/h, Cayman wins (5,52 s vs 9,12 s).

Cayman goes from 0 to 100 km/h in 5,52 seconds (calibrated simulation).

Cayman: 279 hp, ratio 4,70 kg/hp. 218d Convertible F22: 150 hp, ratio 10,43 kg/hp.

Cayman: 253 km/h. 218d Convertible F22: 208 km/h.