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A320ePHEVvsB320dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs320e · 320d

BMW 320e G20 vs BMW 320d xDrive 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.

saloon · 2021 vs 2019 · Methodology
BMWPHEV

320e G20

204 hp · 350 Nm · 1,765 kg · 2021

VS
BMWDieselFaster

320d xDrive G20

190 hp · 400 Nm · 1,540 kg · 2019

Result · 0–100 km/h

ABMW 320e G20

7.46 s

Gap0.49 sin favour of 320d xDrive
BBMW 320d xDrive G20

6.97 s

Summary · Caralogy simulation
Measure320e G20320d xDrive G20Gap
0–100 km/h7.46 s6.97 s0.49 s · 320d xDrive G20
400 m standing start15.44 s15.09 s0.35 s · 320d xDrive G20
1,000 m standing start28.77 s27.84 s0.93 s · 320d xDrive G20
Top speed (electronically limited)215 km/h232 km/h17 km/h · 320d xDrive G20
Power-to-weight ratio8.65 kg/hp8.11 kg/hpbetter ratio · 320d xDrive G20

Watch the race

Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.

BMWPHEV320e G20
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel320d xDrive G20
Speed
0km/h
Timer
0,00s
Distance
0m
100 m
200 m
300 m
400 m
500 m
600 m
700 m
800 m
900 m
1000 m
0m → 1000m
Gap0m

Stage-by-stage comparison

Simulated performance at each stage. Best value in bold.
Stage320e G20320d xDrive G20
0–30 km/h1.31 s · tight gap1.35 s
0–50 km/h2.37 s · tight gap2.38 s
0–80 km/h4.96 s4.78 s
0–100 km/h7.46 s6.97 s
0–120 km/h10.74 s9.84 s
0–160 km/h20.97 s18.31 s
0–200 km/h46.63 s34.62 s
400 m standing start15.44 s15.09 s
1,000 m standing start28.77 s27.84 s
Top speed215 km/h232 km/h

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

320e G20

8,65kg/hpcompensated by −225 kg
CharacteristicValueDetail
Power204 hpPending
Torque350 Nm
Weight1 765 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic
BMW

320d xDrive G20

8,11kg/hpratio better by 0,55 kg/hp
CharacteristicValueDetail
Power190 hpPending
Torque400 Nm
Weight1 540 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 320d xDrive hits 100 km/h in 6.97 s versus 7.46 s for the 320e. Despite lacking instant torque, 190 hp of power compensates. At this point, the 320d xDrive leads by 0.49 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 320d xDrive is doing 119 km/h against 115 km/h for the 320e. The gap is 0.14 s. The challenger starts to claw back ground.

At 400 metres standing start, the 320d xDrive crosses the line in 15.09 s versus 15.43 s. The 0.35 s gap represents roughly 14 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 320d xDrive continues to build its lead. At 600 metres, it runs at 165 km/h versus 158 km/h. At 1,000 metres, the 320d xDrive finishes in 27.84 s versus 28.77 s, with a 0.93 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 320e is capped at 220 km/h, the 320d xDrive at 233 km/h. This isn’t a physical engine limit - it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.74 seconds. The 0.49 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, 320d xDrive G20 wins (6,97 s vs 7,46 s).

320e G20 goes from 0 to 100 km/h in 7,46 seconds (calibrated simulation).

320e G20: 204 hp, ratio 8,65 kg/hp. 320d xDrive G20: 190 hp, ratio 8,11 kg/hp.

320e G20: 215 km/h. 320d xDrive G20: 232 km/h.