1951 Alvis TA 21 vs. 1990 Jaguar XJR
To start off, 1990 Jaguar XJR is newer by 39 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 3,979 cc (6 cylinders), 1990 Jaguar XJR is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR (252 HP @ 5250 RPM) has 159 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1990 Jaguar XJR should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Jaguar XJR weights approximately 45 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, 1990 Jaguar XJR (377 Nm) has 173 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm). This means 1990 Jaguar XJR 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 | 1990 Jaguar XJR | |
| Make | Alvis | Jaguar |
| Model | TA 21 | XJR |
| Year Released | 1951 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 252 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 204 Nm | 377 Nm |
| Engine Bore Size | 84 mm | 91 mm |
| Engine Stroke Size | 90 mm | 102 mm |
| Engine Compression Ratio | 7.1:1 | 9.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 1493 kg |
| Vehicle Length | 4630 mm | 4940 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Wheelbase Size | 2840 mm | 2880 mm |
