1949 AC 2-Litre vs. 1981 Audi UR
To start off, 1981 Audi UR is newer by 32 year(s). Which means there will be less support and parts availability for 1949 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1949 AC 2-Litre would be higher. At 2,144 cc (5 cylinders), 1981 Audi UR is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 121 more horse power than 1949 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1981 Audi UR should accelerate faster than 1949 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1949 AC 2-Litre weights approximately 70 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1949 AC 2-Litre. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 149 more torque (in Nm) than 1949 AC 2-Litre. (136 Nm @ 2500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1949 AC 2-Litre.
Compare all specifications:
| 1949 AC 2-Litre | 1981 Audi UR | |
| Make | AC | Audi |
| Model | 2-Litre | UR |
| Year Released | 1949 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 76 HP | 197 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 136 Nm | 285 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 65 mm | 79.5 mm |
| Engine Stroke Size | 100 mm | 86.4 mm |
| Engine Compression Ratio | 6.8:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1250 kg |
| Vehicle Length | 4680 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1560 mm | 1360 mm |
| Wheelbase Size | 2980 mm | 2530 mm |
| Fuel Tank Capacity | 52 L | 70 L |
