1978 Porsche 924 vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 12 year(s). Which means there will be less support and parts availability for 1978 Porsche 924. In addition, the cost of maintenance, including insurance, on 1978 Porsche 924 would be higher. At 1,984 cc (4 cylinders), 1978 Porsche 924 is equipped with a bigger engine. In terms of performance, 1978 Porsche 924 (124 HP @ 5800 RPM) has 49 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1978 Porsche 924 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 924 weights approximately 160 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.
Because 1978 Porsche 924 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 1978 Porsche 924. 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. Let's talk about torque, 1978 Porsche 924 (164 Nm @ 3500 RPM) has 35 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1978 Porsche 924 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1978 Porsche 924 | 1990 Renault 21 | |
| Make | Porsche | Renault |
| Model | 924 | 21 |
| Year Released | 1978 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 75 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 164 Nm | 129 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 86.5 mm | 81 mm |
| Engine Stroke Size | 84.4 mm | 83.5 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1180 kg | 1020 kg |
| Vehicle Length | 4180 mm | 4650 mm |
| Vehicle Width | 1660 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2410 mm | 2820 mm |
