1973 BMW 525 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,494 cc (6 cylinders), 1973 BMW 525 is equipped with a bigger engine. In terms of performance, 1973 BMW 525 (143 HP) has 73 more horse power than 1986 Renault 21. (70 HP). In normal driving conditions, 1973 BMW 525 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 525 weights approximately 410 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 BMW 525 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 1973 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 1986 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, 1973 BMW 525 (208 Nm) has 136 more torque (in Nm) than 1986 Renault 21. (72 Nm). This means 1973 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1973 BMW 525 | 1986 Renault 21 | |
| Make | BMW | Renault |
| Model | 525 | 21 |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1397 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 70 HP |
| Torque | 208 Nm | 72 Nm |
| Top Speed | 192 km/hour | 163 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 14.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1380 kg | 970 kg |
| Vehicle Length | 4630 mm | 4470 mm |
| Vehicle Width | 1700 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2670 mm |
| Fuel Tank Capacity | 70 L | 66 L |
