1986 Isdera Imperator 108i (390ps) 0-60, quarter mile, specs
| 0-60 mph | 5.2 seconds |
| 0-100 kph | 5.5 seconds |
| Quarter mile | 14.2 s @ 113 mph |
| Top speed | 286 kph / 178 mph |
| Curb weight | 1250 kilograms (2756 pounds) |
| Year introduced | 1986 |
| Displacement | 5547 cubic centimeters (5.5 liters / 338 cubic inches) |
| Maximum power | 390 metric horsepower (385 brake horsepower / 287 kilowatts) @ 5500 rpm |
| Maximum torque | 525 Newton-meters (387 pound-feet) @ 4100 rpm |
| Engine location | mid-mounted |
| Drive | rear wheel drive |
Isdera Imperator 108i (390ps) 0-60 and acceleration in miles per hour
| 0-10 mph | 0.8 s |
| 0-20 mph | 1.5 s |
| 0-30 mph | 2.3 s |
| 0-40 mph | 3.0 s |
| 0-50 mph | 4.0 s |
| 0-60 mph | 5.2 s |
| 0-70 mph | 6.8 s |
| 0-80 mph | 8.9 s |
| 0-90 mph | 11.2 s |
| 0-100 mph | 13.5 s |
| 0-110 mph | 15.6 s |
| 0-120 mph | 17.2 s |
Isdera Imperator 108i (390ps) quarter mile and acceleration in feet
| 300 feet | 6.0 s @ 66 mph |
| 1/8 mile | 9.5 s @ 91 mph |
| 1000 feet | 12.2 s @ 105 mph |
| Quarter mile | 14.2 s @ 113 mph |
Isdera Imperator 108i (390ps) acceleration times in kilometers per hour
| 0-10 kph | 0.5 s |
| 0-20 kph | 1.0 s |
| 0-30 kph | 1.4 s |
| 0-40 kph | 1.9 s |
| 0-50 kph | 2.3 s |
| 0-60 kph | 2.8 s |
| 0-70 kph | 3.4 s |
| 0-80 kph | 4.0 s |
| 0-90 kph | 4.7 s |
| 0-100 kph | 5.5 s |
| 0-110 kph | 6.5 s |
| 0-120 kph | 7.7 s |
| 0-130 kph | 9.1 s |
| 0-140 kph | 10.5 s |
| 0-150 kph | 11.9 s |
| 0-160 kph | 13.4 s |
| 0-170 kph | 14.7 s |
| 0-180 kph | 15.9 s |
| 0-190 kph | 16.9 s |
| 0-200 kph | 17.7 s |
Isdera Imperator 108i (390ps) distance acceleration in meters
| 100 meters | 6.3 s @ 110 kph |
| 200 meters | 9.5 s @ 146 kph |
| 300 meters | 12.1 s @ 167 kph |
| 400 meters | 14.2 s @ 182 kph |
| 500 meters | 16.1 s @ 193 kph |
