1964 Alfa Romeo Spider vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 26 year(s). Which means there will be less support and parts availability for 1964 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1964 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1964 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1964 Alfa Romeo Spider (163 HP @ 5900 RPM) has 88 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1964 Alfa Romeo Spider should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1964 Alfa Romeo Spider weights approximately 375 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1964 Alfa Romeo Spider (221 Nm @ 4000 RPM) has 92 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1964 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1964 Alfa Romeo Spider | 1990 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | Spider | 21 |
| Year Released | 1964 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1720 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 75 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 221 Nm | 129 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 79.6 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 955 kg |
| Vehicle Length | 4510 mm | 4470 mm |
| Vehicle Width | 1610 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2550 mm |
| Fuel Tank Capacity | 100 L | 55 L |
