1951 Alvis TB 21 vs. 1986 Chevrolet Astro
To start off, 1986 Chevrolet Astro is newer by 35 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 4,293 cc (6 cylinders), 1986 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 1986 Chevrolet Astro (183 HP @ 4400 RPM) has 92 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1986 Chevrolet Astro should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1986 Chevrolet Astro (338 Nm) has 134 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1986 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1986 Chevrolet Astro | |
| Make | Alvis | Chevrolet |
| Model | TB 21 | Astro |
| Year Released | 1951 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 183 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 204 Nm | 338 Nm |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 88.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1680 mm | 1980 mm |
| Wheelbase Size | 2750 mm | 2830 mm |
