1951 Alvis TB 21 vs. 1998 Proton 400
To start off, 1998 Proton 400 is newer by 47 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 17 more horse power than 1998 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1998 Proton 400.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 96 more torque (in Nm) than 1998 Proton 400. (108 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1998 Proton 400.
Compare all specifications:
| 1951 Alvis TB 21 | 1998 Proton 400 | |
| Make | Alvis | Proton |
| Model | TB 21 | 400 |
| Year Released | 1951 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 74 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 108 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4280 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
