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Isdera Imperator 108i (390ps)

The Isdera Imperator 108i (390ps) reaches 60 mph in 5.15 s and covers a standing quarter mile in 13.27 s, tripping the lights at 112.4 mph. It clears the first 60 ft in 2.34 s and the eighth mile in 8.80 s, reaching 100 mph in 10.83 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.

Isdera Imperator 108i (390ps) Lotec 928 GT Kompressor

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 Isdera Imperator 108i (390ps)
0–60 mph5.15 s
0–100 mph10.83 s
60 ft2.34 s
1/8 mile8.80 s
1/4 mile13.27 s
Trap speed112.4 mph

About the Imperator 108i (390ps)

The 1986 Isdera Imperator 108i (390ps) is a rear-drive naturally aspirated car of 1,250 kg with 385 bhp, which works out at 308 bhp per tonne. Rear drive and 308 bhp per tonne make the launch the hard part of the run: 60 ft takes 2.34 s. Against the 2,929 cars in the set it is the 1,475th quickest to 60 mph, and the 3rd quickest of the 3 Isderas here. It traps higher than its 0-60 suggests — 112.4 mph, the 891st highest here — so it is a car that keeps going rather than one that simply leaves well. The simulation is trimmed to 8 of 10 published acceleration figures for this car.

On paper

Specification Isdera Imperator 108i (390ps)
Year1986
Power385 bhp
Kerb mass1,250 kg
Power to weight308 bhp/t
DrivetrainRear drive
Gears5
EngineNaturally aspirated
Top speed286 km/h

Similar cars

CarYear 0–601/4 mileTrapPower
Lotec 928 GT Kompressor19915.17 s13.22 s112.0 mph512 bhp
Callaway B2K Twin Turbo Corvette19865.13 s13.37 s110.8 mph345 bhp
De Tomaso Mangusta19664.98 s13.48 s105.6 mph302 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 Isdera Imperator 108i (390ps) 0-60 time?
The Isdera Imperator 108i (390ps) reaches 60 mph in 5.15 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. That makes it the 1,475th quickest of the 2,929 cars in the set.
What is the Isdera Imperator 108i (390ps) quarter mile time?
13.27 s at 112.4 mph. It reaches the eighth mile in 8.80 s and clears the first 60 ft in 2.34 s.
How much power does the Isdera Imperator 108i (390ps) have?
385 bhp and 1,250 kg, which is 308 bhp per tonne. It is rear-drive, naturally aspirated, with 5 gears and a quoted top speed of 286 km/h.
What cars are comparable to the Isdera Imperator 108i (390ps)?
Closest here on pace: Lotec 928 GT Kompressor (5.17 s), Callaway B2K Twin Turbo Corvette (5.13 s), De Tomaso Mangusta (4.98 s). Each one can be raced against the Isdera Imperator 108i (390ps) 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 Isdera Imperator 108i (390ps) 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.