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Home›Duel›BMW 420i vs BMW 218d

Performance comparison

BMW 420i xDrive G22 vs BMW 218d 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.

BMWPetrolFaster

420i xDrive G22

184 hp · 300 Nm · 1,590 kg · 2021

VS
BMWDiesel

218d F22

150 hp · 320 Nm · 1,420 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.

420i xDrive G22218d F22
0–100 km/h7,74 s−0,61 s8,35 s
400 m standing start15,61 s−0,57 s16,18 s
1,000 m standing start28,72 s−0,74 s29,46 s
Top speed (electronically limited)234 km/h+21 km/h213 km/h
Power-to-weight ratio8,64 kg/hpbetter ratio9,47 kg/hp

Watch the race

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

BMWPetrol420i xDrive G22
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel218d 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.

Palier420i xDrive G22218d F22
0–30 km/h1,38 s1,90 s
0–50 km/h2,58 s3,16 s
0–80 km/h5,26 s5,94 s
0–100 km/h7,74 s8,35 s
0–120 km/h10,94 s11,66 s
0–160 km/h20,29 s21,48 s
0–200 km/h38,25 s44,86 s
400 m standing start15,61 s16,18 s
1,000 m standing start28,72 s29,46 s
Top speed234 km/h213 km/h

Under the bonnet

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

BMW

420i xDrive G22

8,64kg/hpratio better by 0,83 kg/hp
CharacteristicValueDetail
Power184 hpPending
Torque300 Nm
Weight1 590 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

218d F22

9,47kg/hpcompensated by −170 kg
CharacteristicValueDetail
Power150 hp4 cyl
Torque320 Nm
Weight1 420 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic)

The start: 0 to 100 km/h

Off the line, the Bmw 420i xDrive hits 100 km/h in 7.74 s versus 8.35 s for the Bmw 218d. At this point, the Bmw 420i xDrive leads by 0.61 s and sits roughly 14 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Bmw 420i xDrive is doing 115 km/h against 114 km/h for the Bmw 218d. The gap is 0.53 s. The gap remains stable from the start.

At 400 metres standing start, the Bmw 420i xDrive crosses the line in 15.61 s versus 16.17 s. The 0.57 s gap represents roughly 22 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Bmw 420i xDrive continues to build its lead. At 600 metres, it runs at 160 km/h versus 158 km/h. At 1,000 metres, the Bmw 420i xDrive finishes in 28.71 s versus 29.45 s, with a 0.74 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Bmw 420i xDrive is capped at 238 km/h, the Bmw 218d at 213 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 (8.64 kg/hp vs 9.47 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.58 seconds. The 0.61 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of 420i xDrive G22
Bmw 220i Gran CoupeBmw 220d xDrive Gran CoupeBmw 420i Gran Coupe
Instead of 218d F22
Audi A5 SedanAudi A3 SedanAudi A3 Sedan

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218d vs A3 Sportback

Frequently asked questions

Sur 0–100 km/h, 420i xDrive G22 gagne (7,74 s vs 8,35 s).

420i xDrive G22 passe de 0 à 100 km/h en 7,74 secondes (simulation calibrée).

420i xDrive G22 : 184 hp, ratio 8,64 kg/hp. 218d F22 : 150 hp, ratio 9,47 kg/hp.

420i xDrive G22 : 234 km/h. 218d F22 : 213 km/h.