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A220dDieselvsB420iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs220d · 420i

BMW 220d Gran Coupe F44 vs BMW 420i G22: 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.

compact · 2020 vs 2021 · Methodology
BMWDiesel

220d Gran Coupe F44

190 hp · 400 Nm · 1,505 kg · 2020

VS
BMWPetrol

420i G22

184 hp · 300 Nm · 1,525 kg · 2021

Result · 0–100 km/h

ABMW 220d Gran Coupe F44

7.41 s

Gap0.03 sNot a significant gap
BBMW 420i G22

7.44 s

Summary · Caralogy simulation
Measure220d Gran Coupe F44420i G22Gap
0–100 km/h7.41 s7.44 s0.03 s · 220d Gran Coupe F44
400 m standing start15.43 s15.38 s0.05 s · 420i G22
1,000 m standing start27.72 s28.23 s0.51 s · 220d Gran Coupe F44
Top speed (electronically limited)235 km/h238 km/h3 km/h · 420i G22
Power-to-weight ratio7.92 kg/hp8.29 kg/hpbetter ratio · 220d Gran Coupe F44

Watch the race

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

BMWDiesel220d Gran Coupe F44
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol420i G22
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.
Stage220d Gran Coupe F44420i G22
0–30 km/h1.97 s1.42 s
0–50 km/h3.20 s2.53 s
0–80 km/h5.39 s5.09 s
0–100 km/h7.41 s · tight gap7.44 s
0–120 km/h9.89 s10.39 s
0–160 km/h17.13 s19.05 s
0–200 km/h30.33 s35.17 s
400 m standing start15.43 s15.38 s · tight gap
1,000 m standing start27.72 s28.23 s
Top speed235 km/h238 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.

BMW

220d Gran Coupe F44

7,92kg/hpratio better by 0,37 kg/hp
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 505 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic transmission
BMW

420i G22

8,29kg/hp
CharacteristicValueDetail
Power184 hp4 cyl
Torque300 Nm
Weight1 525 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 220d Gran Coupe hits 100 km/h in 7.41 s versus 7.44 s for the 420i. The 0.03 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the 420i is doing 117 km/h against 122 km/h for the 220d Gran Coupe. The gap is 0.28 s. The gap widens compared to the 0-100.

At 400 metres standing start, the 420i crosses the line in 15.38 s versus 15.43 s. The 0.05 s gap represents roughly 2 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. Past 400 metres, both rivals hit the same electronic ceiling at 235 km/h. Neither can claw back ground through top speed - the outcome hinges on the acceleration curve between 100 and 235 km/h.

At 1,000 metres, the 220d Gran Coupe finishes in 27.72 s versus 28.23 s. The 0.51 s delta in favour of the 220d Gran Coupe shows that top speed makes a clear difference.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 220d Gran Coupe is capped at 235 km/h, the 420i at 240 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 (7.92 kg/hp vs 8.29 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.15 seconds. The 0.03 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, 220d Gran Coupe F44 and 420i G22 are neck and neck (7,41 s vs 7,44 s, no significant gap).

220d Gran Coupe F44 goes from 0 to 100 km/h in 7,41 seconds (calibrated simulation).

220d Gran Coupe F44: 190 hp, ratio 7,92 kg/hp. 420i G22: 184 hp, ratio 8,29 kg/hp.

220d Gran Coupe F44: 235 km/h. 420i G22: 238 km/h.