1991 Renault 21 vs. 1999 BMW Z3
To start off, 1999 BMW Z3 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 1,897 cc (4 cylinders), 1999 BMW Z3 is equipped with a bigger engine. In terms of performance, 1999 BMW Z3 (141 HP @ 4800 RPM) has 66 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 1999 BMW Z3 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z3 weights approximately 610 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.
Because 1999 BMW Z3 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 1999 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 1991 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, 1999 BMW Z3 (180 Nm) has 51 more torque (in Nm) than 1991 Renault 21. (129 Nm). This means 1999 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1991 Renault 21 | 1999 BMW Z3 | |
| Make | Renault | BMW |
| Model | 21 | Z3 |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 141 HP |
| Engine RPM | 5000 RPM | 4800 RPM |
| Torque | 129 Nm | 180 Nm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 1630 kg |
| Vehicle Length | 4650 mm | 4030 mm |
| Vehicle Width | 1720 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2820 mm | 2450 mm |
