1992 BMW 520 vs. 1985 Ford Sierra
To start off, 1992 BMW 520 is newer by 7 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 520 weights approximately 283 kg more than 1985 Ford Sierra.
Let's talk about torque, 1985 Ford Sierra (220 Nm @ 3800 RPM) has 30 more torque (in Nm) than 1992 BMW 520. (190 Nm @ 4700 RPM). This means 1985 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 520.
Compare all specifications:
| 1992 BMW 520 | 1985 Ford Sierra | |
| Make | BMW | Ford |
| Model | 520 | Sierra |
| Year Released | 1992 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 5900 RPM | 5700 RPM |
| Torque | 190 Nm | 220 Nm |
| Torque RPM | 4700 RPM | 3800 RPM |
| Engine Bore Size | 80.1 mm | 93 mm |
| Engine Stroke Size | 66 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1488 kg | 1205 kg |
| Vehicle Length | 4730 mm | 4400 mm |
| Vehicle Width | 1760 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1370 mm |
