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. /Sedans
ASU7BEVvsB125iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsSU7 · 125i

Xiaomi SU7 Pro RWD vs BMW 125i 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
XiaomiBEV

SU7 Pro RWD

299 hp · 400 Nm · 1,998 kg · 2024

VS
BMWPetrol

125i F20LCI

224 hp · 310 Nm · 1,400 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.

Xiaomi

SU7 Pro RWD

6,68kg/hpcompensated by −598 kg
CharacteristicValueDetail
Power299 hpPending
Torque400 Nm
Weight1 998 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxSingle-speed fixed gear
BMW

125i F20LCI

6,25kg/hpratio better by 0,43 kg/hp
CharacteristicValueDetail
Power224 hp4 cyl
Torque310 Nm
Weight1 400 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

Other duels you might be interested in

BMWVSAudi

125i vs A3 allstreet

BMWVSAudi

125i vs A3 Sedan

BMWVSAudi

125i vs A3 Sportback TFSI quattro S tronic 150 kW

BMWVSAudi

125i vs A3 allstreet

Frequently asked questions

See the simulation above.

Data not available.

SU7 Pro RWD: 299 hp, ratio 6,68 kg/hp. 125i F20LCI: 224 hp, ratio 6,25 kg/hp.

SU7 Pro RWD: 210 km/h. 125i F20LCI: 243 km/h.