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. /SUV
AX3PetrolvsB318dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX3 · 318d

BMW X3 xDrive30i G01 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.

family SUV · 2021 vs 2019 · Methodology
BMWPetrol

X3 xDrive30i G01

252 hp · 350 Nm · 1,755 kg · 2021

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

X3 xDrive30i G01

6,96kg/hpratio better by 2,74 kg/hp
CharacteristicValueDetail
Power252 hp4 cyl
Torque350 Nm
Weight1 755 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

318d Steptronic G20

9,70kg/hpcompensated by −300 kg
CharacteristicValueDetail
Power150 hpPending
Torque320 Nm
Weight1 455 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

Other duels you might be interested in

BMWVSPorsche

X3 xDrive30i vs Macan

AudiVSBMW

A4 40 TDI vs 318d Steptronic

BMWVSPorsche

X3 xDrive30i vs Macan

VolvoVSBMW

S60 B4 vs 318d Steptronic

Frequently asked questions

See the simulation above.

Data not available.

X3 xDrive30i G01: 252 hp, ratio 6,96 kg/hp. 318d Steptronic G20: 150 hp, ratio 9,70 kg/hp.

X3 xDrive30i G01: 240 km/h. 318d Steptronic G20: 224 km/h.