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Home›Duel›Porsche Boxster vs BMW 218d

Performance comparison

Porsche Boxster Spyder 987 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.

PorschePetrolFaster

Boxster Spyder 987

320 hp · 370 Nm · 1,275 kg · 2011

VS
BMWDiesel

218d Convertible F22

150 hp · 320 Nm · 1,565 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.

Boxster Spyder 987218d Convertible F22
0–100 km/h4,75 s−4,37 s9,12 s
400 m standing start12,81 s−3,84 s16,65 s
1,000 m standing start22,98 s−7,50 s30,48 s
Top speed (electronically limited)272 km/h+64 km/h208 km/h
Power-to-weight ratio3,98 kg/hpbetter ratio10,43 kg/hp

Watch the race

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

PorschePetrolBoxster Spyder 987
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. Winner in green.

PalierBoxster Spyder 987218d Convertible F22
0–30 km/h1,27 s1,81 s
0–50 km/h2,12 s3,17 s
0–80 km/h3,75 s6,35 s
0–100 km/h4,75 s9,12 s
0–120 km/h6,27 s12,95 s
0–160 km/h9,61 s24,66 s
0–200 km/h15,02 s57,98 s
400 m standing start12,81 s16,65 s
1,000 m standing start22,98 s30,48 s
Top speed272 km/h208 km/h

Under the bonnet

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

Porsche

Boxster Spyder 987

3,98kg/hpratio better by 6,45 kg/hp
CharacteristicValueDetail
Power320 hpB6
Torque370 Nm
Weight1 275 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxUnknown
BMW

218d Convertible F22

10,43kg/hpcompensated by −290 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 Boxster Spyder hits 100 km/h in 4.75 s versus 9.12 s for the Bmw 218d Convertible. At this point, the Boxster Spyder leads by 4.37 s and sits roughly 21 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Boxster Spyder is doing 148 km/h against 109 km/h for the Bmw 218d Convertible. The gap is 2.29 s. The challenger starts to claw back ground.

At 400 metres standing start, the Boxster Spyder crosses the line in 12.80 s versus 16.65 s. The 3.84 s gap represents roughly 136 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Boxster Spyder continues to build its lead. At 600 metres, it runs at 206 km/h versus 152 km/h. At 1,000 metres, the Boxster Spyder finishes in 22.97 s versus 30.48 s, with a 7.51 s lead.

What the numbers don’t tell you

Electronically capped at 208 km/h, the Bmw 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 (3.98 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 4.37 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, Boxster Spyder 987 wins (4,75 s vs 9,12 s).

Boxster Spyder 987 goes from 0 to 100 km/h in 4,75 seconds (calibrated simulation).

Boxster Spyder 987: 320 hp, ratio 3,98 kg/hp. 218d Convertible F22: 150 hp, ratio 10,43 kg/hp.

Boxster Spyder 987: 272 km/h. 218d Convertible F22: 208 km/h.