1951 Alvis TA 21 vs. 1980 Opel Commodore
To start off, 1980 Opel Commodore 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 Opel Commodore (115 HP @ 5200 RPM) has 22 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1980 Opel Commodore 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 136 kg more than 1980 Opel Commodore.
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, 1951 Alvis TA 21 (204 Nm @ 2000 RPM) has 25 more torque (in Nm) than 1980 Opel Commodore. (179 Nm @ 3800 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1980 Opel Commodore.
Compare all specifications:
| 1951 Alvis TA 21 | 1980 Opel Commodore | |
| Make | Alvis | Opel |
| Model | TA 21 | Commodore |
| Year Released | 1951 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 115 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 179 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 87 mm |
| Engine Stroke Size | 90 mm | 69.8 mm |
| Engine Compression Ratio | 7.1:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1312 kg |
| Vehicle Length | 4630 mm | 4740 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1600 mm | 1480 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 64 L | 70 L |
