1953 Alvis TB 21 vs. 1987 Pontiac Bonneville
To start off, 1987 Pontiac Bonneville is newer by 34 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 3,791 cc (6 cylinders), 1987 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1987 Pontiac Bonneville (150 HP @ 4400 RPM) has 58 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 1987 Pontiac Bonneville should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 1987 Pontiac Bonneville (271 Nm @ 2000 RPM) has 67 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1987 Pontiac Bonneville 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 | 1987 Pontiac Bonneville | |
| Make | Alvis | Pontiac |
| Model | TB 21 | Bonneville |
| Year Released | 1953 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 92 HP | 150 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 204 Nm | 271 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 96.5 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Engine Compression Ratio | 7.1:1 | 8.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5050 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Wheelbase Size | 2750 mm | 2820 mm |
