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A220iPetrolvsBi3BEV
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  • Specs220i · i3

BMW 220i Convertible F22 vs BMW i3 I01: 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 2018 · Methodology
BMWPetrol

220i Convertible F22

184 hp · 270 Nm · 1,540 kg · 2018

VS
BMWBEVFaster

i3 I01

170 hp · 250 Nm · 1,270 kg · 2018

Result · 0–100 km/h

ABMW 220i Convertible F22

7.69 s

Gap0.45 sin favour of i3
BBMW i3 I01

7.24 s

Summary · Caralogy simulation
Measure220i Convertible F22i3 I01Gap
0–100 km/h7.69 s7.24 s0.45 s · i3 I01
400 m standing start15.61 s15.40 s0.21 s · i3 I01
1,000 m standing start28.82 s29.80 s0.98 s · 220i Convertible F22
Top speed (electronically limited)220 km/h150 km/h70 km/h · 220i Convertible F22
Power-to-weight ratio8.37 kg/hp7.47 kg/hpbetter ratio · i3 I01

Watch the race

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

BMWPetrol220i Convertible F22
Speed
0km/h
Timer
0,00s
Distance
0m
BMWBEVi3 I01
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.
Stage220i Convertible F22i3 I01
0–30 km/h1.39 s1.88 s
0–50 km/h2.55 s3.14 s
0–80 km/h5.24 s · tight gap5.25 s
0–100 km/h7.69 s7.24 s
0–120 km/h10.81 s9.85 s
0–160 km/h20.44 s-
0–200 km/h42.74 s-
400 m standing start15.61 s15.40 s
1,000 m standing start28.82 s29.80 s
Top speed220 km/h150 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

220i Convertible F22

8,37kg/hpcompensated by −270 kg
CharacteristicValueDetail
Power184 hp4 cyl
Torque270 Nm
Weight1 540 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic
BMW

i3 I01

7,47kg/hpratio better by 0,90 kg/hp
CharacteristicValueDetail
Power170 hpPending
Torque250 Nm
Weight1 270 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxAutomatic, single-speed with fixed ratio (9.665:1)

The start: 0 to 100 km/h

Off the line, the i3 hits 100 km/h in 7.24 s versus 7.69 s for the 220i Convertible. The instant torque of 250 Nm from the electric motor makes the difference. Despite the faster sprint time, the 220i Convertible is 7 m further along the track at this moment: stronger low-speed acceleration offsets a slower run beyond 100 km/h.

From 100 km/h to 400 metres

At 200 metres, the 220i Convertible is doing 115 km/h against 122 km/h for the i3. The gap is 0.09 s. The challenger starts to claw back ground.

At 400 metres standing start, the i3 crosses the line in 15.40 s versus 15.61 s. The 0.21 s gap represents roughly 8 m of track - barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. The i3 maxes out at 150 km/h while the 220i Convertible keeps accelerating towards 220 km/h. At 600 metres, the gap has dropped to 0.18 s.

Around 696 metres, both vehicles are level. This is the inversion point: the 220i Convertible overcomes its launch deficit thanks to a 70 km/h higher top speed.

At 1,000 metres, the 220i Convertible finishes in 28.82 s versus 29.80 s. The 0.98 s delta in favour of the 220i Convertible shows that top speed makes a clear difference.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 220i Convertible is capped at 226 km/h, the i3 at 150 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 12.89 seconds. The 0.45 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 7,69 s).

220i Convertible F22 goes from 0 to 100 km/h in 7,69 seconds (calibrated simulation).

220i Convertible F22: 184 hp, ratio 8,37 kg/hp. i3 I01: 170 hp, ratio 7,47 kg/hp.

220i Convertible F22: 220 km/h. i3 I01: 150 km/h.