1952 Alvis TB 21 vs. 1990 Jaguar XJR
To start off, 1990 Jaguar XJR is newer by 38 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 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 161 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1990 Jaguar XJR should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1990 Jaguar XJR (377 Nm) has 173 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm). This means 1990 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1990 Jaguar XJR | |
| Make | Alvis | Jaguar |
| Model | TB 21 | XJR |
| Year Released | 1952 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 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 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4940 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Wheelbase Size | 2750 mm | 2880 mm |
