1957 BMW 501 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 34 year(s). Which means there will be less support and parts availability for 1957 BMW 501. In addition, the cost of maintenance, including insurance, on 1957 BMW 501 would be higher. At 3,168 cc (8 cylinders), 1957 BMW 501 is equipped with a bigger engine. In terms of performance, 1957 BMW 501 (138 HP @ 4800 RPM) has 63 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1957 BMW 501 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1957 BMW 501 weights approximately 385 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 1957 BMW 501 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 1957 BMW 501. 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, 1957 BMW 501 (223 Nm @ 2500 RPM) has 94 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1957 BMW 501 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
1957 BMW 501 | 1991 Renault 21 | |
Make | BMW | Renault |
Model | 501 | 21 |
Year Released | 1957 | 1991 |
Engine Position | Front | Front |
Engine Size | 3168 cc | 1721 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 138 HP | 75 HP |
Engine RPM | 4800 RPM | 5000 RPM |
Torque | 223 Nm | 129 Nm |
Torque RPM | 2500 RPM | 3250 RPM |
Engine Bore Size | 82 mm | 81 mm |
Engine Stroke Size | 75 mm | 83.5 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Vehicle Weight | 1405 kg | 1020 kg |
Vehicle Length | 4740 mm | 4650 mm |
Vehicle Width | 1790 mm | 1720 mm |
Vehicle Height | 1540 mm | 1430 mm |
Wheelbase Size | 2840 mm | 2820 mm |