1950 Alvis TB 21 vs. 2009 Jaguar XK
To start off, 2009 Jaguar XK is newer by 59 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 3,498 cc (8 cylinders), 2009 Jaguar XK is equipped with a bigger engine. In terms of performance, 2009 Jaguar XK (254 HP @ 6200 RPM) has 163 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Jaguar XK should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 2009 Jaguar XK (353 Nm) has 149 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 2009 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1950 Alvis TB 21 | 2009 Jaguar XK | |
| Make | Alvis | Jaguar |
| Model | TB 21 | XK |
| Year Released | 1950 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 254 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 204 Nm | 353 Nm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Length | 4430 mm | 4800 mm |
| Vehicle Width | 1680 mm | 2080 mm |
| Wheelbase Size | 2750 mm | 2760 mm |
| Fuel Tank Capacity | 64 L | 71 L |
