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Radical SR3 SL road-legal

The Radical SR3 SL road-legal reaches 60 mph in 3.55 s (100 km/h in 3.70 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 Jaguar F-Type R Convertible P575 X152 Facelift

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 km/h3.70 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 14,946 cars in the set it is the 686th quickest to 60 mph, inside the fastest five per cent, 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 hp (179 kW)
Kerb mass765 kg
Power to weight314 bhp/t
DrivetrainRear drive
Gears6
EngineTurbocharged
Top speed165 mph (266 km/h), quoted

Similar cars

CarYear 0–601/4 mileTrapPower
Jaguar F-Type R Convertible P575 X152 Facelift20203.50 s11.71 s121.0 mph567 bhp
Dodge Viper SRT10 Roadster 8.3 V10 50020033.50 s11.67 s124.0 mph499 bhp
Maybach SL 68020253.54 s11.74 s121.7 mph577 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.

Where these times sit

0-60 under 4 seconds1,060 cars0-100 km/h under 4 seconds881 carsQuarter mile under 12 seconds780 cars0-100 under 9 seconds871 carsTraps over 110 mph1,380 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
Fastest roadsters682 carsFastest cars of the 2010s4,541 cars
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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 686th quickest of the 14,946 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. These are theoretical times from a physics simulation, not measured runs.
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. These are theoretical times from a physics simulation, not measured runs.
What cars are comparable to the Radical SR3 SL road-legal?
Closest here on pace: Jaguar F-Type R Convertible P575 X152 Facelift (3.50 s), Dodge Viper SRT10 Roadster 8.3 V10 500 (3.50 s), Maybach SL 680 (3.54 s). Each one can be raced against the Radical SR3 SL road-legal in the panel at the top of this page. These are theoretical times from a physics simulation, not measured runs.
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 2026-10-16. Every number on this page is computed by the simulator at build time, so the page and the app can never disagree.