1980 Alfa Romeo Spider vs. 1951 Alvis TA 21
To start off, 1980 Alfa Romeo Spider 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 Alfa Romeo Spider (105 HP @ 5500 RPM) has 12 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM). In normal driving conditions, 1980 Alfa Romeo Spider 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 448 kg more than 1980 Alfa Romeo Spider.
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 55 more torque (in Nm) than 1980 Alfa Romeo Spider. (149 Nm @ 4000 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1980 Alfa Romeo Spider.
Compare all specifications:
| 1980 Alfa Romeo Spider | 1951 Alvis TA 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Spider | TA 21 |
| Year Released | 1980 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 93 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 149 Nm | 204 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 78 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 1448 kg |
| Vehicle Length | 4130 mm | 4630 mm |
| Vehicle Width | 1640 mm | 1680 mm |
| Vehicle Height | 1300 mm | 1600 mm |
| Wheelbase Size | 2260 mm | 2840 mm |
