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Ai4BEVvsB320ePHEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specsi4 · 320e

BMW i4 eDrive35 G26 vs BMW 320e 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 · 2024 vs 2021 · Methodology
BMWBEVFaster

i4 eDrive35 G26

286 hp · 400 Nm · 2,000 kg · 2024

VS
BMWPHEV

320e G20

204 hp · 350 Nm · 1,765 kg · 2021

Result · 0–100 km/h

ABMW i4 eDrive35 G26

6.08 s

Gap1.38 sin favour of i4 eDrive35
BBMW 320e G20

7.46 s

Summary · Caralogy simulation
Measurei4 eDrive35 G26320e G20Gap
0–100 km/h6.08 s7.46 s1.38 s · i4 eDrive35 G26
400 m standing start14.38 s15.44 s1.06 s · i4 eDrive35 G26
1,000 m standing start26.26 s28.77 s2.51 s · i4 eDrive35 G26
Top speed (electronically limited)190 km/h215 km/h25 km/h · 320e G20
Power-to-weight ratio6.99 kg/hp8.65 kg/hpbetter ratio · i4 eDrive35 G26

Watch the race

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

BMWBEVi4 eDrive35 G26
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPHEV320e 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.
Stagei4 eDrive35 G26320e G20
0–30 km/h1.69 s1.31 s
0–50 km/h2.81 s2.37 s
0–80 km/h4.56 s4.96 s
0–100 km/h6.08 s7.46 s
0–120 km/h8.04 s10.74 s
0–160 km/h14.28 s20.97 s
0–200 km/h-46.63 s
400 m standing start14.38 s15.44 s
1,000 m standing start26.26 s28.77 s
Top speed190 km/h215 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

i4 eDrive35 G26

6,99kg/hpratio better by 1,66 kg/hp
CharacteristicValueDetail
Power286 hpPending
Torque400 Nm
Weight2 000 kgmanufacturer kerb weight
Drivetrain-
GearboxAutomatic transmission, single-speed with fixed ratio
BMW

320e G20

8,65kg/hpcompensated by −235 kg
CharacteristicValueDetail
Power204 hpPending
Torque350 Nm
Weight1 765 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the i4 eDrive35 hits 100 km/h in 6.08 s versus 7.46 s for the 320e. Despite the faster sprint time, the 320e is 2 m further along the track at this moment: stronger low-speed acceleration offsets a slower run beyond 100 km/h.

From 100 km/h to 400 metres

At 200 metres, the i4 eDrive35 is doing 131 km/h against 115 km/h for the 320e. The gap is 0.38 s. The challenger starts to claw back ground.

At 400 metres standing start, the i4 eDrive35 crosses the line in 14.38 s versus 15.43 s. The 1.06 s gap represents roughly 41 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the i4 eDrive35 continues to build its lead. At 600 metres, it runs at 179 km/h versus 158 km/h. At 1,000 metres, the i4 eDrive35 finishes in 26.26 s versus 28.77 s, with a 2.51 s lead. Despite a higher top speed (215 km/h), the 320e never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the i4 eDrive35 is capped at 190 km/h, the 320e at 220 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.

With two plug-in hybrid powertrains, the difference comes down to power-to-weight ratio (6.99 kg/hp vs 8.65 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.74 seconds. The 1.38 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, i4 eDrive35 G26 wins (6,08 s vs 7,46 s).

i4 eDrive35 G26 goes from 0 to 100 km/h in 6,08 seconds (calibrated simulation).

i4 eDrive35 G26: 286 hp, ratio 6,99 kg/hp. 320e G20: 204 hp, ratio 8,65 kg/hp.

i4 eDrive35 G26: 190 km/h. 320e G20: 215 km/h.