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AM140ivsB218iPetrol
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  • SpecsM140i · 218i

BMW M140i xDrive F20LCI vs BMW 218i Steptronic 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.

compact · 2018 vs 2021 · Methodology
BMWPetrolFaster

M140i xDrive F20LCI

340 hp · 500 Nm · 1,540 kg · 2018

VS
BMWPetrol

218i Steptronic F44

136 hp · 220 Nm · 1,435 kg · 2021

Result · 0–100 km/h

ABMW M140i xDrive F20LCI

4.43 s

Gap4.35 sin favour of M140i xDrive
BBMW 218i Steptronic F44

8.78 s

Summary · Caralogy simulation
MeasureM140i xDrive F20LCI218i Steptronic F44Gap
0–100 km/h4.43 s8.78 s4.35 s · M140i xDrive F20LCI
400 m standing start12.64 s16.44 s3.80 s · M140i xDrive F20LCI
1,000 m standing start23.01 s29.97 s6.96 s · M140i xDrive F20LCI
Top speed (electronically limited)250 km/h210 km/h40 km/h · M140i xDrive F20LCI
Power-to-weight ratio4.53 kg/hp10.55 kg/hpbetter ratio · M140i xDrive F20LCI

Watch the race

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

BMWPetrolM140i xDrive F20LCI
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol218i Steptronic 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.
StageM140i xDrive F20LCI218i Steptronic F44
0–30 km/h1.21 s1.90 s
0–50 km/h2.00 s3.25 s
0–80 km/h3.29 s6.13 s
0–100 km/h4.43 s8.78 s
0–120 km/h5.86 s12.26 s
0–160 km/h9.81 s22.94 s
0–200 km/h15.81 s48.38 s
400 m standing start12.64 s16.44 s
1,000 m standing start23.01 s29.97 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

M140i xDrive F20LCI

4,53kg/hpratio better by 6,02 kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque500 Nm
Weight1 540 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

218i Steptronic F44

10,55kg/hpcompensated by −105 kg
CharacteristicValueDetail
Power136 hp4 cyl
Torque220 Nm
Weight1 435 kgmanufacturer kerb weight
DrivetrainPropulsion
Gearbox8-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the M140i xDrive hits 100 km/h in 4.43 s versus 8.78 s for the 218i Steptronic. At this point, the M140i xDrive leads by 4.35 s and sits roughly 24 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M140i xDrive is doing 147 km/h against 112 km/h for the 218i Steptronic. The gap is 2.45 s. The challenger starts to claw back ground.

At 400 metres standing start, the M140i xDrive crosses the line in 12.64 s versus 16.44 s. The 3.80 s gap represents roughly 138 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M140i xDrive continues to build its lead. At 600 metres, it runs at 203 km/h versus 155 km/h. At 1,000 metres, the M140i xDrive finishes in 23.01 s versus 29.97 s, with a 6.96 s lead.

What the numbers don’t tell you

The M140i xDrive features all-wheel drive (AWD) against the 218i Steptronic’s RWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.

Both rivals are electronically governed, but not at the same level: the M140i xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 218i Steptronic 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 (4.53 kg/hp vs 10.55 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 14.37 seconds. The 4.35 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, M140i xDrive F20LCI wins (4,43 s vs 8,78 s).

M140i xDrive F20LCI goes from 0 to 100 km/h in 4,43 seconds (calibrated simulation).

M140i xDrive F20LCI: 340 hp, ratio 4,53 kg/hp. 218i Steptronic F44: 136 hp, ratio 10,55 kg/hp.

M140i xDrive F20LCI: 250 km/h. 218i Steptronic F44: 210 km/h.