1953 Alvis TB 21 vs. 1971 Checker Aerobus
To start off, 1971 Checker Aerobus is newer by 18 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 5,733 cc (8 cylinders), 1971 Checker Aerobus is equipped with a bigger engine. In terms of performance, 1971 Checker Aerobus (185 HP @ 4000 RPM) has 93 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 1971 Checker Aerobus should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 1971 Checker Aerobus (463 Nm @ 2800 RPM) has 259 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1971 Checker Aerobus will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
| 1953 Alvis TB 21 | 1971 Checker Aerobus | |
| Make | Alvis | Checker |
| Model | TB 21 | Aerobus |
| Year Released | 1953 | 1971 |
| Engine Size | 2993 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 92 HP | 185 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 463 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 6690 mm |
| Vehicle Width | 1680 mm | 1940 mm |
| Wheelbase Size | 2750 mm | 4760 mm |
