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A430iPetrolvsB318dDiesel
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs430i · 318d

BMW 430i Convertible G22 vs BMW 318d Steptronic G20: 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.

saloon · 2021 vs 2019 · Methodology
BMWPetrol

430i Convertible G22

258 hp · 400 Nm · 1,715 kg · 2021

VS
BMWDiesel

318d Steptronic G20

150 hp · 320 Nm · 1,455 kg · 2019

Donnée constructeur en cours de validation pour ce profil

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.

BMW

430i Convertible G22

6,65kg/hpratio better by 3,05 kg/hp
CharacteristicValueDetail
Power258 hp4 cyl
Torque400 Nm
Weight1 715 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission
BMW

318d Steptronic G20

9,70kg/hpcompensated by −260 kg
CharacteristicValueDetail
Power150 hpPending
Torque320 Nm
Weight1 455 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

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430i Convertible vs A4 45 TFSI quattro

VolvoVSBMW

S60 B4 vs 318d Steptronic

Frequently asked questions

See the simulation above.

430i Convertible G22 goes from 0 to 100 km/h in 6,24 seconds (calibrated simulation).

430i Convertible G22: 258 hp, ratio 6,65 kg/hp. 318d Steptronic G20: 150 hp, ratio 9,70 kg/hp.

430i Convertible G22: 250 km/h. 318d Steptronic G20: 224 km/h.