1970 Alfa Romeo Spider vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 20 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Spider would be higher. At 1,721 cc (4 cylinders), 1990 Renault 21 is equipped with a bigger engine. In terms of performance, 1970 Alfa Romeo Spider (89 HP @ 6000 RPM) has 14 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1970 Alfa Romeo Spider should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Renault 21 weights approximately 36 kg more than 1970 Alfa Romeo Spider.
Because 1970 Alfa Romeo Spider is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Alfa Romeo Spider. However, in wet, icy, snow, or gravel driving conditions, 1990 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1970 Alfa Romeo Spider | 1990 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | Spider | 21 |
| Year Released | 1970 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 75 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Engine Bore Size | 80 mm | 81 mm |
| Engine Stroke Size | 67.5 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 984 kg | 1020 kg |
| Vehicle Length | 4130 mm | 4650 mm |
| Vehicle Width | 1640 mm | 1720 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2820 mm |
