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
A120dvsB318dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs120d · 318d

BMW 120d F20LCI vs BMW 318d Steptronic G20: 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 2019 · Methodology
BMWDiesel

120d F20LCI

190 hp · 400 Nm · 1,415 kg · 2018

VS
BMWDiesel

318d Steptronic G20

150 hp · 320 Nm · 1,455 kg · 2019

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 F20LCI

7,45kg/hpratio better by 2,25 kg/hp
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 415 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic)
BMW

318d Steptronic G20

9,70kg/hp
CharacteristicValueDetail
Power150 hpPending
Torque320 Nm
Weight1 455 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

Compare with other alternatives

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

Instead of 318d Steptronic G20
Audi A3 Sedan

Other duels you might be interested in

BMWVSAudi

120d vs A3 Sedan

AudiVSBMW

A4 40 TDI vs 318d Steptronic

BMWVSAudi

120d vs A3 Sportback

VolvoVSBMW

S60 B4 vs 318d Steptronic

Frequently asked questions

See the simulation above.

120d F20LCI goes from 0 to 100 km/h in 7,15 seconds (calibrated simulation).

120d F20LCI: 190 hp, ratio 7,45 kg/hp. 318d Steptronic G20: 150 hp, ratio 9,70 kg/hp.

120d F20LCI: 228 km/h. 318d Steptronic G20: 224 km/h.