1991 Renault 21 vs. 1999 Saab 03-Sep
To start off, 1999 Saab 03-Sep is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 2,290 cc (4 cylinders), 1999 Saab 03-Sep is equipped with a bigger engine. In terms of performance, 1999 Saab 03-Sep (225 HP @ 5000 RPM) has 150 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 1999 Saab 03-Sep should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1999 Saab 03-Sep weights approximately 378 kg more than 1991 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, 1999 Saab 03-Sep (342 Nm @ 2500 RPM) has 213 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1999 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1991 Renault 21 | 1999 Saab 03-Sep | |
| Make | Renault | Saab |
| Model | 21 | 03-Sep |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 2290 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 225 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 129 Nm | 342 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 83.5 mm | 90 mm |
| Engine Compression Ratio | 9.2:1 | 9.3:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 1398 kg |
| Vehicle Length | 4650 mm | 4650 mm |
| Vehicle Width | 1720 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2610 mm |
