2006 BMW 550 vs. 1984 Ford Sierra
To start off, 2006 BMW 550 is newer by 22 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 200 more horse power than 1984 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 545 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 272 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2006 BMW 550 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | 550 | Sierra |
| Year Released | 2006 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 360 HP | 160 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 488 Nm | 216 Nm |
| Torque RPM | 3400 RPM | 4300 RPM |
| Engine Bore Size | 93.1 mm | 93.1 mm |
| Engine Stroke Size | 88.4 mm | 68.5 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1725 kg | 1180 kg |
| Vehicle Length | 4880 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2610 mm |
