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Radical SR3 SL road-legal

The Radical SR3 SL road-legal reaches 60 mph in 3.55 s and covers a standing quarter mile in 11.69 s, tripping the lights at 117.1 mph. It clears the first 60 ft in 1.65 s and the eighth mile in 7.48 s, reaching 100 mph in 8.17 s.

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

Radical SR3 SL road-legal Maybach SL 680

Pick who it runs against, then watch it happen — and change the surface, the weather or the distance and run it again.

Down the strip

Standing start Radical SR3 SL road-legal
0–60 mph3.55 s
0–100 mph8.17 s
60 ft1.65 s
1/8 mile7.48 s
1/4 mile11.69 s
Trap speed117.1 mph

About the SR3 SL road-legal

The 2012 Radical SR3 SL road-legal is a rear-drive turbocharged roadster of 765 kg with 240 bhp, which works out at 314 bhp per tonne. Rear drive and 314 bhp per tonne make the launch the hard part of the run: 60 ft takes 1.65 s. Against the 2,929 cars in the set it is the 537th quickest to 60 mph, inside the fastest quarter, and the quickest of the 2 Radicals here. Its 117.1 mph trap speed sits about where its 0-60 puts it, so it launches and pulls in roughly equal measure. The simulation is trimmed to 8 of 10 published acceleration figures for this car.

On paper

Specification Radical SR3 SL road-legal
Year2012
Power240 bhp
Kerb mass765 kg
Power to weight314 bhp/t
DrivetrainRear drive
Gears6
EngineTurbocharged
Top speed266 km/h

Similar cars

CarYear 0–601/4 mileTrapPower
Maybach SL 68020253.54 s11.74 s121.7 mph577 bhp
Porsche 718 Spyder20193.70 s11.95 s119.2 mph414 bhp
Mercedes-Benz AMG GT 476 PS20173.54 s11.63 s123.4 mph469 bhp

Picked for a fair race, not just a matching 0-60: pace, power-to-weight and body shape all count, and at most one is from the same maker.

Questions

What is the Radical SR3 SL road-legal 0-60 time?
The Radical SR3 SL road-legal reaches 60 mph in 3.55 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. That makes it the 537th quickest of the 2,929 cars in the set.
What is the Radical SR3 SL road-legal quarter mile time?
11.69 s at 117.1 mph. It reaches the eighth mile in 7.48 s and clears the first 60 ft in 1.65 s.
How much power does the Radical SR3 SL road-legal have?
240 bhp and 765 kg, which is 314 bhp per tonne. It is rear-drive, turbocharged, with 6 gears and a quoted top speed of 266 km/h.
What cars are comparable to the Radical SR3 SL road-legal?
Closest here on pace: Maybach SL 680 (3.54 s), Porsche 718 Spyder (3.70 s), Mercedes-Benz AMG GT 476 PS (3.54 s). Each one can be raced against the Radical SR3 SL road-legal in the panel at the top of this page.
Are these real measured times?
No. Every figure on this page is produced by a physics simulation, not by a stopwatch at a drag strip. The Radical SR3 SL road-legal is modelled from its published kerb mass, rated power, drivetrain and gearing, then trimmed until it reproduces 8 of its 10 published acceleration figures. Conditions are the same for every car in the set: dry asphalt, 20 °C, sea level, 1 ft rollout.

Figures regenerated 2026-09-01. Every number on this page is computed by the simulator at build time, so the page and the app can never disagree.