1986 BMW 730 vs. 1993 Renault 21
To start off, 1993 Renault 21 is newer by 7 year(s). Which means there will be less support and parts availability for 1986 BMW 730. In addition, the cost of maintenance, including insurance, on 1986 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 1986 BMW 730 (197 HP @ 5800 RPM) has 122 more horse power than 1993 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1986 BMW 730 should accelerate faster than 1993 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 580 kg more than 1993 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 BMW 730 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 1986 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 1993 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, 1986 BMW 730 (275 Nm @ 4000 RPM) has 146 more torque (in Nm) than 1993 Renault 21. (129 Nm @ 3250 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1993 Renault 21.
Compare all specifications:
| 1986 BMW 730 | 1993 Renault 21 | |
| Make | BMW | Renault |
| Model | 730 | 21 |
| Year Released | 1986 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 75 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 275 Nm | 129 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 80 mm | 83.5 mm |
| Engine Compression Ratio | 9.2:1 | 9.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1600 kg | 1020 kg |
| Vehicle Length | 4920 mm | 4650 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2820 mm |
