1972 BMW 520 vs. 1992 Renault 21
To start off, 1992 Renault 21 is newer by 20 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 1,991 cc (6 cylinders), 1972 BMW 520 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 59 more horse power than 1992 Renault 21. (91 HP @ 5200 RPM). In normal driving conditions, 1972 BMW 520 should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 370 kg more than 1992 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 BMW 520 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 1972 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1992 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, 1972 BMW 520 (190 Nm @ 4200 RPM) has 52 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21.
Compare all specifications:
1972 BMW 520 | 1992 Renault 21 | |
Make | BMW | Renault |
Model | 520 | 21 |
Year Released | 1972 | 1992 |
Engine Position | Front | Front |
Engine Size | 1991 cc | 1721 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 150 HP | 91 HP |
Engine RPM | 5900 RPM | 5200 RPM |
Torque | 190 Nm | 138 Nm |
Torque RPM | 4200 RPM | 3500 RPM |
Engine Bore Size | 80 mm | 81 mm |
Engine Stroke Size | 66 mm | 83.5 mm |
Engine Compression Ratio | 11.0:1 | 10.0:1 |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Vehicle Weight | 1445 kg | 1075 kg |
Vehicle Length | 4630 mm | 4650 mm |
Vehicle Width | 1700 mm | 1720 mm |
Vehicle Height | 1430 mm | 1430 mm |
Wheelbase Size | 2770 mm | 2820 mm |