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Ai3BEVvsB218dDiesel
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  • Specsi3 · 218d

BMW i3 I01 vs BMW 218d Gran Coupe 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.

city car · 2018 vs 2021 · Methodology
BMWBEVFaster

i3 I01

170 hp · 250 Nm · 1,270 kg · 2018

VS
BMWDiesel

218d Gran Coupe F44

150 hp · 350 Nm · 1,425 kg · 2021

Result · 0–100 km/h

ABMW i3 I01

7.24 s

Gap1.41 sin favour of i3
BBMW 218d Gran Coupe F44

8.65 s

Summary · Caralogy simulation
Measurei3 I01218d Gran Coupe F44Gap
0–100 km/h7.24 s8.65 s1.41 s · i3 I01
400 m standing start15.40 s16.44 s1.04 s · i3 I01
1,000 m standing start29.80 s29.58 s0.22 s · 218d Gran Coupe F44
Top speed (electronically limited)150 km/h222 km/h72 km/h · 218d Gran Coupe F44
Power-to-weight ratio7.47 kg/hp9.50 kg/hpbetter ratio · i3 I01

Watch the race

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

BMWBEVi3 I01
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel218d Gran Coupe 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.
Stagei3 I01218d Gran Coupe F44
0–30 km/h1.88 s2.21 s
0–50 km/h3.14 s3.61 s
0–80 km/h5.25 s6.25 s
0–100 km/h7.24 s8.65 s
0–120 km/h9.85 s11.79 s
0–160 km/h-21.21 s
0–200 km/h-40.87 s
400 m standing start15.40 s16.44 s
1,000 m standing start29.80 s29.58 s
Top speed150 km/h222 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

i3 I01

7,47kg/hpratio better by 2,03 kg/hp
CharacteristicValueDetail
Power170 hpPending
Torque250 Nm
Weight1 270 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxAutomatic, single-speed with fixed ratio (9.665:1)
BMW

218d Gran Coupe F44

9,50kg/hpcompensated by −155 kg
CharacteristicValueDetail
Power150 hp4 cyl
Torque350 Nm
Weight1 425 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic transmission)

The start: 0 to 100 km/h

Off the line, the i3 hits 100 km/h in 7.24 s versus 8.65 s for the 218d Gran Coupe. The instant torque of 250 Nm from the electric motor makes the difference. At this point, the i3 leads by 1.41 s and sits roughly 14 m ahead.

From 100 km/h to 400 metres

At 200 metres, the i3 is doing 122 km/h against 115 km/h for the 218d Gran Coupe. The gap is 0.74 s. The challenger starts to claw back ground.

At 400 metres standing start, the i3 crosses the line in 15.40 s versus 16.43 s. The 1.03 s gap represents roughly 40 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. The i3 maxes out at 150 km/h while the 218d Gran Coupe keeps accelerating towards 222 km/h. At 600 metres, the gap has dropped to 0.98 s.

Around 946 metres, both vehicles are level. This is the inversion point: the 218d Gran Coupe overcomes its launch deficit thanks to a 72 km/h higher top speed.

At 1,000 metres, the 218d Gran Coupe finishes in 29.58 s versus 29.80 s. The 0.22 s delta shows an extremely tight race.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the i3 is capped at 150 km/h, the 218d Gran Coupe at 222 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.67 seconds. The 1.41 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, i3 I01 wins (7,24 s vs 8,65 s).

i3 I01 goes from 0 to 100 km/h in 7,24 seconds (calibrated simulation).

i3 I01: 170 hp, ratio 7,47 kg/hp. 218d Gran Coupe F44: 150 hp, ratio 9,50 kg/hp.

i3 I01: 150 km/h. 218d Gran Coupe F44: 222 km/h.