1985 Ford Sierra vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 24 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, 2009 BMW 525 (215 HP @ 6500 RPM) has 67 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 320 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW 525 (250 Nm @ 2750 RPM) has 30 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2009 BMW 525 | |
| Make | Ford | BMW |
| Model | Sierra | 525 |
| Year Released | 1985 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 215 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 220 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Engine Bore Size | 93 mm | 78.9 mm |
| Engine Stroke Size | 68.5 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 1205 kg | 1525 kg |
| Vehicle Length | 4400 mm | 4850 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
