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Ai7BEVvsB118iPetrol
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  • Specsi7 · 118i

BMW i7 M70 xDrive G70 vs BMW 118i F40: 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.

limousine · 2023 vs 2020 · Methodology
BMWBEVFaster

i7 M70 xDrive G70

659 hp · 1015 Nm · 2,795 kg · 2023

VS
BMWPetrol

118i F40

136 hp · 220 Nm · 1,290 kg · 2020

Result · 0–100 km/h

ABMW i7 M70 xDrive G70

3.65 s

Gap5.38 sin favour of i7 M70 xDrive
BBMW 118i F40

9.02 s

Summary · Caralogy simulation
Measurei7 M70 xDrive G70118i F40Gap
0–100 km/h3.65 s9.02 s5.38 s · i7 M70 xDrive G70
400 m standing start11.83 s16.74 s4.91 s · i7 M70 xDrive G70
1,000 m standing start21.61 s30.00 s8.39 s · i7 M70 xDrive G70
Top speed (electronically limited)250 km/h213 km/h37 km/h · i7 M70 xDrive G70
Power-to-weight ratio4.24 kg/hp9.49 kg/hpbetter ratio · i7 M70 xDrive G70

Watch the race

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

BMWBEVi7 M70 xDrive G70
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol118i F40
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.
Stagei7 M70 xDrive G70118i F40
0–30 km/h1.01 s2.37 s
0–50 km/h1.68 s3.96 s
0–80 km/h2.73 s6.57 s
0–100 km/h3.65 s9.02 s
0–120 km/h4.80 s12.17 s
0–160 km/h8.23 s21.99 s
0–200 km/h13.17 s45.39 s
400 m standing start11.83 s16.74 s
1,000 m standing start21.61 s30.00 s
Top speed limited250 km/h213 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

i7 M70 xDrive G70

4,24kg/hpratio better by 5,24 kg/hp
CharacteristicValueDetail
Power659 hpPending
Torque1015 Nm
Weight2 795 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed reduction gear
BMW

118i F40

9,49kg/hpcompensated by −1 505 kg
CharacteristicValueDetail
Power136 hp3 cyl
Torque220 Nm
Weight1 290 kgmanufacturer kerb weight
Drivetrain-
GearboxSix-speed manual (seven-speed Steptronic dual-clutch transmission)

The start: 0 to 100 km/h

Off the line, the i7 M70 xDrive hits 100 km/h in 3.65 s versus 9.02 s for the 118i. The instant torque of 1,015 Nm from the electric motor makes the difference. At this point, the i7 M70 xDrive leads by 5.38 s and sits roughly 30 m ahead.

From 100 km/h to 400 metres

At 200 metres, the i7 M70 xDrive is doing 155 km/h against 114 km/h for the 118i. The gap is 3.46 s. The challenger starts to claw back ground.

At 400 metres standing start, the i7 M70 xDrive crosses the line in 11.83 s versus 16.73 s. The 4.90 s gap represents roughly 178 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the i7 M70 xDrive continues to build its lead. At 600 metres, it runs at 214 km/h versus 159 km/h. At 1,000 metres, the i7 M70 xDrive finishes in 21.61 s versus 30.00 s, with a 8.39 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the i7 M70 xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 118i at 213 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 14.11 seconds. The 5.38 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, i7 M70 xDrive G70 wins (3,65 s vs 9,02 s).

i7 M70 xDrive G70 goes from 0 to 100 km/h in 3,65 seconds (calibrated simulation).

i7 M70 xDrive G70: 659 hp, ratio 4,24 kg/hp. 118i F40: 136 hp, ratio 9,49 kg/hp.

i7 M70 xDrive G70: 250 km/h. 118i F40: 213 km/h.