2000 Caterham 21 vs. 1971 Renault 15
To start off, 2000 Caterham 21 is newer by 29 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 1,794 cc (4 cylinders), 2000 Caterham 21 is equipped with a bigger engine. In terms of performance, 2000 Caterham 21 (230 HP @ 8600 RPM) has 141 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2000 Caterham 21 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1971 Renault 15 weights approximately 480 kg more than 2000 Caterham 21.
Let's talk about torque, 2000 Caterham 21 (210 Nm @ 7200 RPM) has 85 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2000 Caterham 21 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2000 Caterham 21 | 1971 Renault 15 | |
| Make | Caterham | Renault |
| Model | 21 | 15 |
| Year Released | 2000 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1794 cc | 1565 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 230 HP | 89 HP |
| Engine RPM | 8600 RPM | 5500 RPM |
| Torque | 210 Nm | 125 Nm |
| Torque RPM | 7200 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 77 mm |
| Engine Stroke Size | 89.3 mm | 84 mm |
| Engine Compression Ratio | 11.5:1 | 9.3:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 540 kg | 1020 kg |
| Vehicle Length | 3860 mm | 4260 mm |
| Vehicle Width | 1590 mm | 1640 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
| Fuel Tank Capacity | 100 L | 38 L |
