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Home›Duel›BMW 120i vs BMW 218d

Performance comparison

BMW 120i F20LCI vs BMW 218d xDrive 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.

BMWPetrolFaster

120i F20LCI

184 hp · 270 Nm · 1,375 kg · 2018

VS
BMWDiesel

218d xDrive F44

150 hp · 350 Nm · 1,545 kg · 2021

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.

120i F20LCI218d xDrive F44
0–100 km/h7,12 s−1,92 s9,04 s
400 m standing start15,22 s−1,33 s16,55 s
1,000 m standing start27,53 s−2,99 s30,52 s
Top speed (electronically limited)225 km/h+16 km/h209 km/h
Power-to-weight ratio7,47 kg/hpbetter ratio10,30 kg/hp

Watch the race

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

BMWPetrol120i F20LCI
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel218d xDrive 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. Winner in green.

Palier120i F20LCI218d xDrive F44
0–30 km/h1,79 s1,69 stight gap
0–50 km/h2,99 s3,01 stight gap
0–80 km/h5,16 s6,09 s
0–100 km/h7,12 s9,04 s
0–120 km/h9,70 s12,90 s
0–160 km/h16,79 s25,37 s
0–200 km/h29,61 s62,83 s
400 m standing start15,22 s16,55 s
1,000 m standing start27,53 s30,52 s
Top speed225 km/h209 km/h

Under the bonnet

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

BMW

120i F20LCI

7,47kg/hpratio better by 2,83 kg/hp
CharacteristicValueDetail
Power184 hp4 cyl
Torque270 Nm
Weight1 375 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic
BMW

218d xDrive F44

10,30kg/hpcompensated by −170 kg
CharacteristicValueDetail
Power150 hp4 cyl
Torque350 Nm
Weight1 545 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the Bmw 120i hits 100 km/h in 7.12 s versus 9.04 s for the Bmw 218d xDrive. At this point, the Bmw 120i leads by 1.92 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Bmw 120i is doing 122 km/h against 109 km/h for the Bmw 218d xDrive. The gap is 0.67 s. The challenger starts to claw back ground.

At 400 metres standing start, the Bmw 120i crosses the line in 15.22 s versus 16.54 s. The 1.32 s gap represents roughly 49 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Bmw 120i continues to build its lead. At 600 metres, it runs at 170 km/h versus 151 km/h. At 1,000 metres, the Bmw 120i finishes in 27.52 s versus 30.52 s, with a 2.99 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Bmw 120i is capped at 225 km/h, the Bmw 218d xDrive at 211 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 (7.47 kg/hp vs 10.30 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 15.31 seconds. The 1.92 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 120i F20LCI
Audi A3 allstreetAudi A3 Sportback TFSI quattro S tronic 150 kWAudi A3 Sportback TFSI 110 kW
Instead of 218d xDrive F44
Audi A5 SedanAudi A3 SedanAudi A3 Sedan

Autres duels qui pourraient vous intéresser

AudiVSBmw

A3 allstreet vs 120i

BmwVSAudi

218d xDrive vs A3 Sedan

AudiVSBmw

A3 Sedan vs 120i

BmwVSAudi

218d xDrive vs A3 Sportback

Frequently asked questions

Over 0–100 km/h, 120i F20LCI wins (7,12 s vs 9,04 s).

120i F20LCI goes from 0 to 100 km/h in 7,12 seconds (calibrated simulation).

120i F20LCI: 184 hp, ratio 7,47 kg/hp. 218d xDrive F44: 150 hp, ratio 10,30 kg/hp.

120i F20LCI: 225 km/h. 218d xDrive F44: 209 km/h.