1991 BMW Z1 vs. 1985 Renault 25
To start off, 1991 BMW Z1 is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP @ 5800 RPM) has 68 more horse power than 1985 Renault 25. (107 HP @ 5500 RPM). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW Z1 weights approximately 95 kg more than 1985 Renault 25. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 BMW Z1 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 1991 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 1985 Renault 25, 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, 1991 BMW Z1 (230 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1985 Renault 25. (160 Nm @ 3000 RPM). This means 1991 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 25.
Compare all specifications:
| 1991 BMW Z1 | 1985 Renault 25 | |
| Make | BMW | Renault |
| Model | Z1 | 25 |
| Year Released | 1991 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 175 HP | 107 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 78.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1155 kg |
| Vehicle Length | 3960 mm | 4630 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1410 mm |
| Wheelbase Size | 2450 mm | 2730 mm |
