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AM550dDieselvsB218iPetrol
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  • PerformancePerformance0-100, top speed
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  • SpecsM550d · 218i

BMW M550d xDrive G30 vs BMW 218i F44: 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.

grand tourer · 2018 vs 2020 · Methodology
BMWDieselFaster

M550d xDrive G30

400 hp · 760 Nm · 1,845 kg · 2018

VS
BMWPetrol

218i F44

136 hp · 220 Nm · 1,415 kg · 2020

Result · 0–100 km/h

ABMW M550d xDrive G30

4.46 s

Gap4.49 sin favour of M550d xDrive
BBMW 218i F44

8.95 s

Summary · Caralogy simulation
MeasureM550d xDrive G30218i F44Gap
0–100 km/h4.46 s8.95 s4.49 s · M550d xDrive G30
400 m standing start12.66 s16.53 s3.87 s · M550d xDrive G30
1,000 m standing start22.92 s30.07 s7.15 s · M550d xDrive G30
Top speed (electronically limited)250 km/h210 km/h40 km/h · M550d xDrive G30
Power-to-weight ratio4.61 kg/hp10.40 kg/hpbetter ratio · M550d xDrive G30

Watch the race

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

BMWDieselM550d xDrive G30
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol218i F44
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.
StageM550d xDrive G30218i F44
0–30 km/h1.24 s1.96 s
0–50 km/h2.01 s3.28 s
0–80 km/h3.29 s6.30 s
0–100 km/h4.46 s8.95 s
0–120 km/h5.90 s12.34 s
0–160 km/h9.81 s23.03 s
0–200 km/h15.59 s48.47 s
400 m standing start12.66 s16.53 s
1,000 m standing start22.92 s30.07 s
Top speed limited250 km/h210 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

M550d xDrive G30

4,61kg/hpratio better by 5,79 kg/hp
CharacteristicValueDetail
Power400 hp6 cyl
Torque760 Nm
Weight1 845 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

218i F44

10,40kg/hpcompensated by −430 kg
CharacteristicValueDetail
Power136 hpPending
Torque220 Nm
Weight1 415 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic transmission)

The start: 0 to 100 km/h

Off the line, the M550d xDrive hits 100 km/h in 4.46 s versus 8.95 s for the 218i. At this point, the M550d xDrive leads by 4.49 s and sits roughly 25 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M550d xDrive is doing 146 km/h against 112 km/h for the 218i. The gap is 2.50 s. The challenger starts to claw back ground.

At 400 metres standing start, the M550d xDrive crosses the line in 12.66 s versus 16.53 s. The 3.87 s gap represents roughly 140 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M550d xDrive continues to build its lead. At 600 metres, it runs at 204 km/h versus 155 km/h. At 1,000 metres, the M550d xDrive finishes in 22.91 s versus 30.06 s, with a 7.15 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the M550d xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 218i at 210 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 (4.61 kg/hp vs 10.40 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 14.54 seconds. The 4.49 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, M550d xDrive G30 wins (4,46 s vs 8,95 s).

M550d xDrive G30 goes from 0 to 100 km/h in 4,46 seconds (calibrated simulation).

M550d xDrive G30: 400 hp, ratio 4,61 kg/hp. 218i F44: 136 hp, ratio 10,40 kg/hp.

M550d xDrive G30: 250 km/h. 218i F44: 210 km/h.