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AX3vsB220iPetrol
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  • SpecsX3 · 220i

BMW X3 M40i G01 vs BMW 220i Convertible F22: 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.

family SUV · 2021 vs 2018 · Methodology
BMWPetrolFaster

X3 M40i G01

360 hp · 500 Nm · 1,870 kg · 2021

VS
BMWPetrol

220i Convertible F22

184 hp · 270 Nm · 1,540 kg · 2018

Result · 0–100 km/h

ABMW X3 M40i G01

4.74 s

Gap2.96 sin favour of X3 M40i
BBMW 220i Convertible F22

7.69 s

Summary · Caralogy simulation
MeasureX3 M40i G01220i Convertible F22Gap
0–100 km/h4.74 s7.69 s2.96 s · X3 M40i G01
400 m standing start12.98 s15.61 s2.63 s · X3 M40i G01
1,000 m standing start23.62 s28.82 s5.20 s · X3 M40i G01
Top speed (electronically limited)250 km/h220 km/h30 km/h · X3 M40i G01
Power-to-weight ratio5.19 kg/hp8.37 kg/hpbetter ratio · X3 M40i G01

Watch the race

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

BMWPetrolX3 M40i G01
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol220i Convertible F22
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.
StageX3 M40i G01220i Convertible F22
0–30 km/h1.26 s · tight gap1.39 s
0–50 km/h2.08 s2.55 s
0–80 km/h3.49 s5.24 s
0–100 km/h4.74 s7.69 s
0–120 km/h6.30 s10.81 s
0–160 km/h10.59 s20.44 s
0–200 km/h17.32 s42.74 s
400 m standing start12.98 s15.61 s
1,000 m standing start23.62 s28.82 s
Top speed limited250 km/h220 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

X3 M40i G01

5,19kg/hpratio better by 3,18 kg/hp
CharacteristicValueDetail
Power360 hp6 cyl
Torque500 Nm
Weight1 870 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

220i Convertible F22

8,37kg/hpcompensated by −330 kg
CharacteristicValueDetail
Power184 hp4 cyl
Torque270 Nm
Weight1 540 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X3 M40i hits 100 km/h in 4.74 s versus 7.69 s for the 220i Convertible. At this point, the X3 M40i leads by 2.96 s and sits roughly 15 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 M40i is doing 142 km/h against 115 km/h for the 220i Convertible. The gap is 1.54 s. The challenger starts to claw back ground.

At 400 metres standing start, the X3 M40i crosses the line in 12.98 s versus 15.61 s. The 2.63 s gap represents roughly 99 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X3 M40i continues to build its lead. At 600 metres, it runs at 198 km/h versus 160 km/h. At 1,000 metres, the X3 M40i finishes in 23.62 s versus 28.82 s, with a 5.20 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X3 M40i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 220i Convertible at 226 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 (5.19 kg/hp vs 8.37 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.89 seconds. The 2.96 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, X3 M40i G01 wins (4,74 s vs 7,69 s).

X3 M40i G01 goes from 0 to 100 km/h in 4,74 seconds (calibrated simulation).

X3 M40i G01: 360 hp, ratio 5,19 kg/hp. 220i Convertible F22: 184 hp, ratio 8,37 kg/hp.

X3 M40i G01: 250 km/h. 220i Convertible F22: 220 km/h.