Skip to main content
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Duel
  3. /Hatchbacks
A120dDieselvsB120iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs120d · 120i

BMW 120d xDrive F20LCI vs BMW 120i 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 · 2018 vs 2018 · Methodology
BMWDiesel

120d xDrive F20LCI

190 hp · 400 Nm · 1,495 kg · 2018

VS
BMWPetrol

120i F20LCI

184 hp · 270 Nm · 1,375 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

120d xDrive F20LCI

7,87kg/hpcompensated by −120 kg
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 495 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

120i F20LCI

7,47kg/hpratio better by 0,40 kg/hp
CharacteristicValueDetail
Power184 hp4 cyl
Torque270 Nm
Weight1 375 kgmanufacturer kerb weight
Drivetrain-
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 kWAudi A3 allstreet

Other duels you might be interested in

BMWVSAudi

120d xDrive vs A3 Sedan

AudiVSBMW

A3 allstreet vs 120i

BMWVSAudi

120d xDrive vs A3 Sportback

AudiVSBMW

A3 Sedan vs 120i

Frequently asked questions

See the simulation above.

Data not available.

120d xDrive F20LCI: 190 hp, ratio 7,87 kg/hp. 120i F20LCI: 184 hp, ratio 7,47 kg/hp.

120d xDrive F20LCI: 222 km/h. 120i F20LCI: 225 km/h.