1951 Alvis TA 21 vs. 1980 BMW 725
To start off, 1980 BMW 725 is newer by 29 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, 1980 BMW 725 (148 HP @ 5500 RPM) has 55 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1980 BMW 725 should accelerate faster than 1951 Alvis TA 21.
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, 1980 BMW 725 (215 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1980 BMW 725 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 | 1980 BMW 725 | |
| Make | Alvis | BMW |
| Model | TA 21 | 725 |
| Year Released | 1951 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 148 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 215 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 71.6 mm |
| Engine Compression Ratio | 7.1:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4630 mm | 4870 mm |
| Vehicle Width | 1680 mm | 1810 mm |
| Vehicle Height | 1600 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2810 mm |
