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A128tiPetrolvsB120dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs128ti · 120d

BMW 128ti F40 vs BMW 120d xDrive 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.

compact · 2020 vs 2018 · Methodology
BMWPetrol

128ti F40

265 hp · 400 Nm · 1,445 kg · 2020

VS
BMWDiesel

120d xDrive F20LCI

190 hp · 400 Nm · 1,495 kg · 2018

Donnée constructeur en cours de validation pour ce profil

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

128ti F40

5,45kg/hpratio better by 2,42 kg/hp
CharacteristicValueDetail
Power265 hp4 cyl
Torque400 Nm
Weight1 445 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic Sport transmission
BMW

120d xDrive F20LCI

7,87kg/hp
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 495 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of 120d xDrive F20LCI
Audi A3 allstreetAudi A3 Sportback TFSI quattro S tronic 150 kW

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128ti vs A3 allstreet

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120d xDrive vs A3 Sedan

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128ti vs A3 Sedan

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120d xDrive vs A3 Sportback

Frequently asked questions

See the simulation above.

128ti F40 goes from 0 to 100 km/h in 6,27 seconds (calibrated simulation).

128ti F40: 265 hp, ratio 5,45 kg/hp. 120d xDrive F20LCI: 190 hp, ratio 7,87 kg/hp.

128ti F40: 250 km/h. 120d xDrive F20LCI: 222 km/h.