2003 BMW 525 vs. 1987 Ford Sierra
To start off, 2003 BMW 525 is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,492 cc (6 cylinders), 2003 BMW 525 is equipped with a bigger engine. In terms of performance, 2003 BMW 525 (184 HP @ 6000 RPM) has 72 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2003 BMW 525 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 525 weights approximately 430 kg more than 1987 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, 2003 BMW 525 (245 Nm @ 3500 RPM) has 65 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2003 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2003 BMW 525 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 525 | Sierra |
| Year Released | 2003 | 1987 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2292 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 184 HP | 112 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 245 Nm | 180 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 75 mm | 79.5 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1565 kg | 1135 kg |
| Vehicle Length | 4850 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
