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BMW M135i F20 vs BMW 128ti F40

Over a standing quarter mile on dry asphalt the BMW M135i F20 is the quicker car, covering it in 13.10 s at 106.7 mph against the BMW 128ti F40’s 14.00 s — a margin of 0.90 s. To 60 mph the BMW M135i F20 takes 4.76 s and the BMW 128ti F40 5.50 s.

Simulated, not measured — computed from each car’s published kerb mass, rated power and drivetrain, then fitted to its own published acceleration figures. Dry asphalt, 20 °C, sea level, 1 ft rollout.

BMW M135i F20 BMW 128ti F40

Watch the run in full — then change the surface, the weather or the distance and run it again.

Down the strip

Standing startBMW M135i F20BMW 128ti F40
0–60 mph4.76 s5.50 s
0–100 mph11.06 s13.64 s
60 ft2.00 s2.27 s
1/8 mile8.49 s9.10 s
1/4 mile13.10 s14.00 s
Trap speed106.7 mph101.1 mph

Each car is trimmed to its own published figures — 9/10 for the BMW M135i F20, 10/10 for the BMW 128ti F40 — so a heavier car can still be the quicker one if that is what it tests.

On paper

SpecificationBMW M135i F20BMW 128ti F40
Year20122020
Power315 bhp261 bhp
Kerb mass1,440 kg1,520 kg
Power to weight219 bhp/t172 bhp/t
DrivetrainRear driveFront drive
EngineTurbochargedTurbocharged

Where these times sit

0-60 under 5 seconds2,159 cars0-100 km/h under 5 seconds1,846 carsQuarter mile under 14 seconds2,646 cars0-100 under 12 seconds1,964 carsTraps over 100 mph2,740 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
BMW 0-60 timesevery modelFastest hot hatches298 cars

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Questions

Is the BMW M135i F20 or the BMW 128ti F40 faster?
The BMW M135i F20. Over a standing quarter mile it runs 13.10 s to the BMW 128ti F40's 14.00 s, a margin of 0.90 s, and it reaches 60 mph in 4.76 s against 5.50 s. These are theoretical times from a physics simulation, not measured runs.
What is the BMW M135i F20 0-60 time?
The BMW M135i F20 reaches 60 mph in 4.76 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 13.10 s at 106.7 mph.
What is the BMW 128ti F40 0-60 time?
The BMW 128ti F40 reaches 60 mph in 5.50 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 14.00 s at 101.1 mph.
What trap speed does each car run?
The BMW M135i F20 trips the lights at 106.7 mph and the BMW 128ti F40 at 101.1 mph at the end of the quarter mile. These are theoretical times from a physics simulation, not measured runs.
Are these real measured times?
No. Every time on this page is produced by a physics simulation, not by a stopwatch at a drag strip. Each car is modelled from its published kerb mass, rated power, drivetrain and gearing, then trimmed until it matches its own published acceleration figures — 9 of 10 for the BMW M135i F20 and 10 of 10 for the BMW 128ti F40. Conditions are identical for both cars: dry asphalt, 20 °C, sea level, 1 ft rollout.

Figures regenerated 2026-10-12. Every number on this page is computed by the simulator at build time, so the page and the app can never disagree.