1971 AC 428 vs. 1972 Sunbeam Chamois
To start off, 1972 Sunbeam Chamois is newer by 1 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 262 more horse power than 1972 Sunbeam Chamois. (36 HP @ 4800 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1972 Sunbeam Chamois. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 715 kg more than 1972 Sunbeam Chamois. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 AC 428 (639 Nm @ 2800 RPM) has 571 more torque (in Nm) than 1972 Sunbeam Chamois. (68 Nm @ 2600 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1972 Sunbeam Chamois.
Compare all specifications:
| 1971 AC 428 | 1972 Sunbeam Chamois | |
| Make | AC | Sunbeam |
| Model | 428 | Chamois |
| Year Released | 1971 | 1972 |
| Engine Size | 7003 cc | 875 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 36 HP |
| Engine RPM | 4600 RPM | 4800 RPM |
| Torque | 639 Nm | 68 Nm |
| Torque RPM | 2800 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1430 kg | 715 kg |
| Vehicle Length | 4430 mm | 3540 mm |
| Vehicle Width | 1710 mm | 1540 mm |
| Vehicle Height | 1310 mm | 1390 mm |
| Wheelbase Size | 2450 mm | 2090 mm |
