1966 AC Cobra vs. 1981 Audi UR
To start off, 1981 Audi UR is newer by 15 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 213 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 1966 AC Cobra should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1981 Audi UR weights approximately 103 kg more than 1966 AC Cobra.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1966 AC Cobra. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1966 AC Cobra (651 Nm @ 3700 RPM) has 366 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1966 AC Cobra | 1981 Audi UR | |
| Make | AC | Audi |
| Model | Cobra | UR |
| Year Released | 1966 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 651 Nm | 285 Nm |
| Torque RPM | 3700 RPM | 3500 RPM |
| Engine Bore Size | 107.7 mm | 79.5 mm |
| Engine Stroke Size | 96 mm | 86.4 mm |
| Engine Compression Ratio | 11.5:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1147 kg | 1250 kg |
| Vehicle Length | 3970 mm | 4430 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1250 mm | 1360 mm |
| Wheelbase Size | 2290 mm | 2530 mm |
| Fuel Tank Capacity | 68 L | 70 L |
