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Porsche 718 Boxster vs Mercedes-Benz SL 350 facelift

Over a standing quarter mile on dry asphalt the Porsche 718 Boxster is the quicker car, covering it in 12.92 s at 107.6 mph against the Mercedes-Benz SL 350 facelift’s 14.34 s — a margin of 1.42 s. To 60 mph the Porsche 718 Boxster takes 4.30 s and the Mercedes-Benz SL 350 facelift 5.80 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.

Porsche 718 Boxster Mercedes-Benz SL 350 facelift

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

Down the strip

Standing startPorsche 718 BoxsterMercedes-Benz SL 350 facelift
0–60 mph4.30 s5.80 s
0–100 mph11.02 s—
60 ft2.01 s2.33 s
1/8 mile8.31 s9.27 s
1/4 mile12.92 s14.34 s
Trap speed107.6 mph98.2 mph

Each car is trimmed to its own published figures — 9/10 for the Porsche 718 Boxster, 9/10 for the Mercedes-Benz SL 350 facelift — so a heavier car can still be the quicker one if that is what it tests.

On paper

SpecificationPorsche 718 BoxsterMercedes-Benz SL 350 facelift
Year20162008
Power296 bhp311 bhp
Kerb mass1,335 kg1,825 kg
Power to weight222 bhp/t170 bhp/t
DrivetrainRear driveRear drive
EngineTurbochargedNaturally aspirated

Where these times sit

0-60 under 5 seconds2,159 cars0-100 km/h under 5 seconds1,846 carsQuarter mile under 13 seconds1,639 cars0-100 under 12 seconds1,964 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
Porsche 0-60 timesevery modelMercedes-Benz 0-60 timesevery modelFastest roadsters685 cars

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Questions

Is the Porsche 718 Boxster or the Mercedes-Benz SL 350 facelift faster?
The Porsche 718 Boxster. Over a standing quarter mile it runs 12.92 s to the Mercedes-Benz SL 350 facelift's 14.34 s, a margin of 1.42 s, and it reaches 60 mph in 4.30 s against 5.80 s. These are theoretical times from a physics simulation, not measured runs.
What is the Porsche 718 Boxster 0-60 time?
The Porsche 718 Boxster reaches 60 mph in 4.30 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 12.92 s at 107.6 mph.
What is the Mercedes-Benz SL 350 facelift 0-60 time?
The Mercedes-Benz SL 350 facelift reaches 60 mph in 5.80 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 14.34 s at 98.2 mph.
What trap speed does each car run?
The Porsche 718 Boxster trips the lights at 107.6 mph and the Mercedes-Benz SL 350 facelift at 98.2 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 Porsche 718 Boxster and 9 of 10 for the Mercedes-Benz SL 350 facelift. 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.