1957 Lotus Seven vs. 1973 Sunbeam Chamois
To start off, 1973 Sunbeam Chamois is newer by 16 year(s). Which means there will be less support and parts availability for 1957 Lotus Seven. In addition, the cost of maintenance, including insurance, on 1957 Lotus Seven would be higher. At 1,558 cc (4 cylinders), 1957 Lotus Seven is equipped with a bigger engine. In terms of performance, 1957 Lotus Seven (126 HP @ 6500 RPM) has 90 more horse power than 1973 Sunbeam Chamois. (36 HP @ 4800 RPM). In normal driving conditions, 1957 Lotus Seven should accelerate faster than 1973 Sunbeam Chamois. With that said, vehicle weight also plays an important factor in acceleration. 1957 Lotus Seven weights approximately 35 kg more than 1973 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, 1957 Lotus Seven (153 Nm @ 5500 RPM) has 85 more torque (in Nm) than 1973 Sunbeam Chamois. (68 Nm @ 2600 RPM). This means 1957 Lotus Seven will have an easier job in driving up hills or pulling heavy equipment than 1973 Sunbeam Chamois.
Compare all specifications:
| 1957 Lotus Seven | 1973 Sunbeam Chamois | |
| Make | Lotus | Sunbeam |
| Model | Seven | Chamois |
| Year Released | 1957 | 1973 |
| Engine Size | 1558 cc | 875 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 126 HP | 36 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 153 Nm | 68 Nm |
| Torque RPM | 5500 RPM | 2600 RPM |
| Vehicle Weight | 750 kg | 715 kg |
| Vehicle Length | 3370 mm | 3540 mm |
| Vehicle Width | 1560 mm | 1540 mm |
| Vehicle Height | 950 mm | 1390 mm |
| Wheelbase Size | 2190 mm | 2090 mm |
