1997 Alfa Romeo Spider vs. 1951 Alvis TA 21
To start off, 1997 Alfa Romeo Spider is newer by 46 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, 1997 Alfa Romeo Spider (139 HP @ 6200 RPM) has 46 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM). In normal driving conditions, 1997 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 63 kg more than 1997 Alfa Romeo Spider.
Because 1951 Alvis TA 21 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1951 Alvis TA 21. However, in wet, icy, snow, or gravel driving conditions, 1997 Alfa Romeo Spider, being front wheel drive (FWD), will offer much better control with better grip. 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 18 more torque (in Nm) than 1997 Alfa Romeo Spider. (186 Nm @ 4000 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo Spider.
Compare all specifications:
| 1997 Alfa Romeo Spider | 1951 Alvis TA 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Spider | TA 21 |
| Year Released | 1997 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 139 HP | 93 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 186 Nm | 204 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1448 kg |
| Vehicle Length | 4290 mm | 4630 mm |
| Vehicle Width | 1790 mm | 1680 mm |
| Vehicle Height | 1320 mm | 1600 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 64 L |
