1997 Alfa Romeo Spider vs. 1986 Renault 21
To start off, 1997 Alfa Romeo Spider is newer by 11 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo Spider (139 HP @ 6200 RPM) has 52 more horse power than 1986 Renault 21. (87 HP @ 4250 RPM). In normal driving conditions, 1997 Alfa Romeo Spider should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo Spider weights approximately 250 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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. Let's talk about torque, 1997 Alfa Romeo Spider (186 Nm @ 4000 RPM) has 1 more torque (in Nm) than 1986 Renault 21. (185 Nm @ 2000 RPM). This means 1997 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1997 Alfa Romeo Spider | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | Spider | 21 |
| Year Released | 1997 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 87 HP |
| Engine RPM | 6200 RPM | 4250 RPM |
| Torque | 186 Nm | 185 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 21.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1135 kg |
| Vehicle Length | 4290 mm | 4540 mm |
| Vehicle Width | 1790 mm | 1720 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2670 mm |
