1953 Alvis TB 21 vs. 1985 Pontiac Grand Am
To start off, 1985 Pontiac Grand Am is newer by 32 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 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 2 more horse power than 1985 Pontiac Grand Am. (90 HP @ 4400 RPM). In normal driving conditions, 1953 Alvis TB 21 should accelerate faster than 1985 Pontiac Grand Am.
Let's talk about torque, 1953 Alvis TB 21 (204 Nm @ 2200 RPM) has 25 more torque (in Nm) than 1985 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 1953 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Grand Am.
Compare all specifications:
| 1953 Alvis TB 21 | 1985 Pontiac Grand Am | |
| Make | Alvis | Pontiac |
| Model | TB 21 | Grand Am |
| Year Released | 1953 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2471 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 92 HP | 90 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 204 Nm | 179 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 76.2 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4520 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Wheelbase Size | 2750 mm | 2630 mm |
