2009 BMW 650 vs. 1985 Renault 18
To start off, 2009 BMW 650 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Renault 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 258 more horse power than 1985 Renault 18. (104 HP @ 5500 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 280 kg more than 1985 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 650 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 2009 BMW 650. However, in wet, icy, snow, or gravel driving conditions, 1985 Renault 18, 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, 2009 BMW 650 (491 Nm @ 3900 RPM) has 328 more torque (in Nm) than 1985 Renault 18. (163 Nm @ 3250 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18.
Compare all specifications:
| 2009 BMW 650 | 1985 Renault 18 | |
| Make | BMW | Renault |
| Model | 650 | 18 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 104 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 491 Nm | 163 Nm |
| Torque RPM | 3900 RPM | 3250 RPM |
| Engine Bore Size | 92 mm | 88 mm |
| Engine Stroke Size | 82.7 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1415 kg | 1135 kg |
| Vehicle Length | 4830 mm | 4470 mm |
| Vehicle Width | 1380 mm | 1710 mm |
| Vehicle Height | 1860 mm | 1410 mm |
