1951 Alvis TA 21 vs. 1981 Audi UR
To start off, 1981 Audi UR is newer by 30 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5800 RPM) has 104 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1981 Audi UR should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 148 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1951 Alvis TA 21. 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 (270 Nm @ 3000 RPM) has 66 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 1981 Audi UR | |
| Make | Alvis | Audi |
| Model | TA 21 | UR |
| Year Released | 1951 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2226 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 197 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 204 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 1300 kg |
| Vehicle Length | 4630 mm | 4430 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Vehicle Height | 1600 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
| Fuel Tank Capacity | 64 L | 58 L |
