1981 BMW 525 vs. 1982 Renault Siete
To start off, 1982 Renault Siete is newer by 1 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP) has 104 more horse power than 1982 Renault Siete. (44 HP). In normal driving conditions, 1981 BMW 525 should accelerate faster than 1982 Renault Siete. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 525 weights approximately 465 kg more than 1982 Renault Siete. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 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 1981 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 1982 Renault Siete, 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, 1981 BMW 525 (215 Nm @ 4000 RPM) has 131 more torque (in Nm) than 1982 Renault Siete. (84 Nm @ 2000 RPM). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1982 Renault Siete.
Compare all specifications:
| 1981 BMW 525 | 1982 Renault Siete | |
| Make | BMW | Renault |
| Model | 525 | Siete |
| Year Released | 1981 | 1982 |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1108 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 44 HP |
| Torque | 215 Nm | 84 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86.1 mm | 70 mm |
| Engine Stroke Size | 71.6 mm | 72 mm |
| Engine Compression Ratio | 9.6:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1280 kg | 815 kg |
| Vehicle Length | 4780 mm | 3900 mm |
| Vehicle Width | 1810 mm | 1530 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2630 mm | 2540 mm |
