2003 BMW 520 vs. 1986 Ford Sierra
To start off, 2003 BMW 520 is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 2,171 cc (6 cylinders), 2003 BMW 520 is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (202 HP @ 6000 RPM) has 35 more horse power than 2003 BMW 520. (167 HP @ 5800 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 380 kg more than 1986 Ford Sierra.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1986 Ford Sierra (277 Nm @ 4500 RPM) has 67 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 1986 Ford Sierra | |
| Make | BMW | Ford |
| Model | 520 | Sierra |
| Year Released | 2003 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 167 HP | 202 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 210 Nm | 277 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 90.8 mm |
| Engine Stroke Size | 72 mm | 77 mm |
| Engine Compression Ratio | 10.8:1 | 8.0:1 |
| Top Speed | 230 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1560 kg | 1180 kg |
| Vehicle Length | 4850 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 3000 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 116 L |
