1952 Alvis TB 21 vs. 2007 Jaguar XJ8
To start off, 2007 Jaguar XJ8 is newer by 55 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 3,555 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ8 (255 HP @ 6250 RPM) has 164 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Jaguar XJ8 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2007 Jaguar XJ8 (335 Nm @ 4200 RPM) has 131 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2007 Jaguar XJ8 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 | 2007 Jaguar XJ8 | |
| Make | Alvis | Jaguar |
| Model | TB 21 | XJ8 |
| Year Released | 1952 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 255 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 204 Nm | 335 Nm |
| Torque RPM | 2200 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 76.5 mm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5100 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Wheelbase Size | 2750 mm | 3040 mm |
