1984 Audi 90 vs. 2000 Caterham C21
To start off, 2000 Caterham C21 is newer by 16 year(s). Which means there will be less support and parts availability for 1984 Audi 90. In addition, the cost of maintenance, including insurance, on 1984 Audi 90 would be higher. At 2,226 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 1984 Audi 90 (139 HP @ 5700 RPM) has 24 more horse power than 2000 Caterham C21. (115 HP @ 6000 RPM). In normal driving conditions, 1984 Audi 90 should accelerate faster than 2000 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi 90 weights approximately 610 kg more than 2000 Caterham C21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1984 Audi 90 (190 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2000 Caterham C21. (145 Nm @ 3000 RPM). This means 1984 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham C21.
Compare all specifications:
| 1984 Audi 90 | 2000 Caterham C21 | |
| Make | Audi | Caterham |
| Model | 90 | C21 |
| Year Released | 1984 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1588 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 115 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 190 Nm | 145 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 650 kg |
| Vehicle Length | 4470 mm | 3810 mm |
| Vehicle Width | 1690 mm | 1590 mm |
| Vehicle Height | 1370 mm | 1060 mm |
| Wheelbase Size | 2550 mm | 2260 mm |
