2006 BMW 525 vs. 1986 Renault 21
To start off, 2006 BMW 525 is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 2,494 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (190 HP @ 6000 RPM) has 118 more horse power than 1986 Renault 21. (72 HP @ 4500 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 525 weights approximately 195 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 2006 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 2006 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, 2006 BMW 525 (245 Nm @ 3500 RPM) has 103 more torque (in Nm) than 1986 Renault 21. (142 Nm @ 2250 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2006 BMW 525 has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 525 | 1986 Renault 21 | |
| Make | BMW | Renault |
| Model | 525 | 21 |
| Year Released | 2006 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 190 HP | 72 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 245 Nm | 142 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1360 kg | 1165 kg |
| Vehicle Length | 4780 mm | 4650 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2820 mm |
