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A320dDieselvsB218iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs320d · 218i

BMW 320d xDrive G20 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.

saloon · 2019 vs 2021 · Methodology
BMWDieselFaster

320d xDrive G20

190 hp · 400 Nm · 1,540 kg · 2019

VS
BMWPetrol

218i Steptronic F44

136 hp · 220 Nm · 1,435 kg · 2021

Result · 0–100 km/h

ABMW 320d xDrive G20

6.97 s

Gap1.81 sin favour of 320d xDrive
BBMW 218i Steptronic F44

8.78 s

Summary · Caralogy simulation
Measure320d xDrive G20218i Steptronic F44Gap
0–100 km/h6.97 s8.78 s1.81 s · 320d xDrive G20
400 m standing start15.09 s16.44 s1.35 s · 320d xDrive G20
1,000 m standing start27.84 s29.97 s2.13 s · 320d xDrive G20
Top speed (electronically limited)232 km/h210 km/h22 km/h · 320d xDrive G20
Power-to-weight ratio8.11 kg/hp10.55 kg/hpbetter ratio · 320d xDrive G20

Watch the race

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

BMWDiesel320d xDrive G20
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.
Stage320d xDrive G20218i Steptronic F44
0–30 km/h1.35 s1.90 s
0–50 km/h2.38 s3.25 s
0–80 km/h4.78 s6.13 s
0–100 km/h6.97 s8.78 s
0–120 km/h9.84 s12.26 s
0–160 km/h18.31 s22.94 s
0–200 km/h34.62 s48.38 s
400 m standing start15.09 s16.44 s
1,000 m standing start27.84 s29.97 s
Top speed232 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

320d xDrive G20

8,11kg/hpratio better by 2,45 kg/hp
CharacteristicValueDetail
Power190 hpPending
Torque400 Nm
Weight1 540 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
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 320d xDrive hits 100 km/h in 6.97 s versus 8.78 s for the 218i Steptronic. At this point, the 320d xDrive leads by 1.81 s and sits roughly 21 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 320d xDrive is doing 119 km/h against 112 km/h for the 218i Steptronic. The gap is 1.01 s. The challenger starts to claw back ground.

At 400 metres standing start, the 320d xDrive crosses the line in 15.09 s versus 16.44 s. The 1.35 s gap represents roughly 51 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 320d xDrive continues to build its lead. At 600 metres, it runs at 165 km/h versus 155 km/h. At 1,000 metres, the 320d xDrive finishes in 27.84 s versus 29.97 s, with a 2.13 s lead.

What the numbers don’t tell you

The 320d 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 320d xDrive is capped at 233 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 (8.11 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 1.81 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.

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Frequently asked questions

Over 0–100 km/h, 320d xDrive G20 wins (6,97 s vs 8,78 s).

320d xDrive G20 goes from 0 to 100 km/h in 6,97 seconds (calibrated simulation).

320d xDrive G20: 190 hp, ratio 8,11 kg/hp. 218i Steptronic F44: 136 hp, ratio 10,55 kg/hp.

320d xDrive G20: 232 km/h. 218i Steptronic F44: 210 km/h.