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A430iPetrolvsB125dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs430i · 125d

BMW 430i xDrive Gran Coupé G22 vs BMW 125d F20LCI: 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 · 2024 vs 2018 · Methodology
BMWPetrol

430i xDrive Gran Coupé G22

245 hp · 400 Nm · 1,700 kg · 2024

VS
BMWDieselFaster

125d F20LCI

224 hp · 450 Nm · 1,480 kg · 2018

Result · 0–100 km/h

ABMW 430i xDrive Gran Coupé G22

7.79 s

Gap1.31 sin favour of 125d
BBMW 125d F20LCI

6.48 s

Summary · Caralogy simulation
Measure430i xDrive Gran Coupé G22125d F20LCIGap
0–100 km/h7.79 s6.48 s1.31 s · 125d F20LCI
400 m standing start15.75 s14.68 s1.07 s · 125d F20LCI
1,000 m standing start27.85 s26.40 s1.45 s · 125d F20LCI
Top speed (electronically limited)235 km/h240 km/h5 km/h · 125d F20LCI
Power-to-weight ratio6.94 kg/hp6.61 kg/hpbetter ratio · 125d F20LCI

Watch the race

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

BMWPetrol430i xDrive Gran Coupé G22
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel125d F20LCI
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.
Stage430i xDrive Gran Coupé G22125d F20LCI
0–30 km/h2.27 s1.88 s
0–50 km/h3.80 s3.03 s
0–80 km/h5.99 s4.83 s
0–100 km/h7.79 s6.48 s
0–120 km/h10.09 s8.57 s
0–160 km/h16.79 s14.58 s
0–200 km/h29.20 s25.23 s
400 m standing start15.75 s14.68 s
1,000 m standing start27.85 s26.40 s
Top speed235 km/h240 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

430i xDrive Gran Coupé G22

6,94kg/hpcompensated by −220 kg
CharacteristicValueDetail
Power245 hpPending
Torque400 Nm
Weight1 700 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

125d F20LCI

6,61kg/hpratio better by 0,33 kg/hp
CharacteristicValueDetail
Power224 hp4 cyl
Torque450 Nm
Weight1 480 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the 125d hits 100 km/h in 6.48 s versus 7.79 s for the 430i xDrive Gran Coupé. At this point, the 125d leads by 1.31 s and sits roughly 18 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 125d is doing 130 km/h against 124 km/h for the 430i xDrive Gran Coupé. The gap is 0.88 s. The challenger starts to claw back ground.

At 400 metres standing start, the 125d crosses the line in 14.67 s versus 15.75 s. The 1.07 s gap represents roughly 45 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 125d continues to build its lead. At 600 metres, it runs at 180 km/h versus 174 km/h. At 1,000 metres, the 125d finishes in 26.39 s versus 27.85 s, with a 1.45 s lead. Both vehicles have similar top speeds (235 vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 430i xDrive Gran Coupé is capped at 235 km/h, the 125d at 240 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 (6.94 kg/hp vs 6.61 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.48 seconds. The 1.31 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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Frequently asked questions

Over 0–100 km/h, 125d F20LCI wins (6,48 s vs 7,79 s).

430i xDrive Gran Coupé G22 goes from 0 to 100 km/h in 7,79 seconds (calibrated simulation).

430i xDrive Gran Coupé G22: 245 hp, ratio 6,94 kg/hp. 125d F20LCI: 224 hp, ratio 6,61 kg/hp.

430i xDrive Gran Coupé G22: 235 km/h. 125d F20LCI: 240 km/h.