1953 Alvis TB 21 vs. 1948 Triumph Roadster
To start off, 1953 Alvis TB 21 is newer by 5 year(s). Which means there will be less support and parts availability for 1948 Triumph Roadster. In addition, the cost of maintenance, including insurance, on 1948 Triumph Roadster would be higher. At 2,993 cc (6 cylinders), 1953 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1953 Alvis TB 21 (92 HP @ 4000 RPM) has 30 more horse power than 1948 Triumph Roadster. (62 HP @ 4500 RPM). In normal driving conditions, 1953 Alvis TB 21 should accelerate faster than 1948 Triumph Roadster.
Let's talk about torque, 1953 Alvis TB 21 (204 Nm @ 2200 RPM) has 79 more torque (in Nm) than 1948 Triumph Roadster. (125 Nm @ 2000 RPM). This means 1953 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1948 Triumph Roadster.
Compare all specifications:
| 1953 Alvis TB 21 | 1948 Triumph Roadster | |
| Make | Alvis | Triumph |
| Model | TB 21 | Roadster |
| Year Released | 1953 | 1948 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1776 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 92 HP | 62 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 204 Nm | 125 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 73 mm |
| Engine Stroke Size | 90 mm | 106 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4290 mm |
| Vehicle Width | 1680 mm | 1630 mm |
| Wheelbase Size | 2750 mm | 2550 mm |
