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AS6BEVvsB120iPetrol
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  • SpecsS6 · 120i

Audi S6 Sportback e-tron vs BMW 120i 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.

grand tourer · 2026 vs 2018 · Methodology
AudiBEVFaster

S6 Sportback e-tron

543 hp · 855 Nm · 2,325 kg · 2026

VS
BMWPetrol

120i F20LCI

184 hp · 270 Nm · 1,375 kg · 2018

Result · 0–100 km/h

AAudi S6 Sportback e-tron

4.08 s

Gap3.04 sin favour of S6 Sportback e-tron
BBMW 120i F20LCI

7.12 s

Summary · Caralogy simulation
MeasureS6 Sportback e-tron120i F20LCIGap
0–100 km/h4.08 s7.12 s3.04 s · S6 Sportback e-tron
400 m standing start12.52 s15.22 s2.70 s · S6 Sportback e-tron
1,000 m standing start23.58 s27.53 s3.95 s · S6 Sportback e-tron
Top speed (electronically limited)233 km/h225 km/h8 km/h · S6 Sportback e-tron
Power-to-weight ratio4.28 kg/hp7.47 kg/hpbetter ratio · S6 Sportback e-tron

Watch the race

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

AudiBEVS6 Sportback e-tron
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol120i F20LCI
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.
StageS6 Sportback e-tron120i F20LCI
0–30 km/h1.11 s1.79 s
0–50 km/h1.86 s2.99 s
0–80 km/h3.03 s5.16 s
0–100 km/h4.08 s7.12 s
0–120 km/h5.44 s9.70 s
0–160 km/h10.00 s16.79 s
0–200 km/h19.13 s29.61 s
400 m standing start12.52 s15.22 s
1,000 m standing start23.58 s27.53 s
Top speed233 km/h225 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.

Audi

S6 Sportback e-tron

4,28kg/hpratio better by 3,19 kg/hp
CharacteristicValueDetail
Power543 hpPending
Torque855 Nm
Weight2 325 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

120i F20LCI

7,47kg/hpcompensated by −950 kg
CharacteristicValueDetail
Power184 hp4 cyl
Torque270 Nm
Weight1 375 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the S6 Sportback e-tron hits 100 km/h in 4.08 s versus 7.12 s for the 120i. The instant torque of 855 Nm from the electric motor makes the difference. At this point, the S6 Sportback e-tron leads by 3.05 s and sits roughly 22 m ahead.

From 100 km/h to 400 metres

At 200 metres, the S6 Sportback e-tron is doing 146 km/h against 122 km/h for the 120i. The gap is 1.95 s. The challenger starts to claw back ground.

At 400 metres standing start, the S6 Sportback e-tron crosses the line in 12.52 s versus 15.22 s. The 2.70 s gap represents roughly 109 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the S6 Sportback e-tron continues to build its lead. At 600 metres, it runs at 191 km/h versus 170 km/h. At 1,000 metres, the S6 Sportback e-tron finishes in 23.58 s versus 27.52 s, with a 3.95 s lead. Both vehicles have similar top speeds (233 vs 225 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the S6 Sportback e-tron is capped at 240 km/h, the 120i at 225 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 11.27 seconds. The 3.05 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, S6 Sportback e-tron wins (4,08 s vs 7,12 s).

S6 Sportback e-tron goes from 0 to 100 km/h in 4,08 seconds (calibrated simulation).

S6 Sportback e-tron: 543 hp, ratio 4,28 kg/hp. 120i F20LCI: 184 hp, ratio 7,47 kg/hp.

S6 Sportback e-tron: 233 km/h. 120i F20LCI: 225 km/h.