1951 Alvis TA 21 vs. 1970 Rover P5B
To start off, 1970 Rover P5B is newer by 19 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 3,527 cc (8 cylinders), 1970 Rover P5B is equipped with a bigger engine. In terms of performance, 1970 Rover P5B (158 HP @ 5200 RPM) has 65 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1970 Rover P5B should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Rover P5B weights approximately 132 kg more than 1951 Alvis TA 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1970 Rover P5B (295 Nm @ 3000 RPM) has 91 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1970 Rover P5B will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 1970 Rover P5B has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1970 Rover P5B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 1970 Rover P5B | |
| Make | Alvis | Rover |
| Model | TA 21 | P5B |
| Year Released | 1951 | 1970 |
| Engine Size | 2993 cc | 3527 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 158 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 295 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1448 kg | 1580 kg |
| Vehicle Length | 4630 mm | 4750 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Vehicle Height | 1600 mm | 1480 mm |
| Wheelbase Size | 2840 mm | 2820 mm |
