2007 BMW 550 vs. 1987 Ford Sierra
To start off, 2007 BMW 550 is newer by 20 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 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (362 HP @ 6300 RPM) has 158 more horse power than 1987 Ford Sierra. (204 HP @ 6250 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 410 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.
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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 213 more torque (in Nm) than 1987 Ford Sierra. (277 Nm @ 4500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2007 BMW 550 has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 550 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 550 | Sierra |
| Year Released | 2007 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 362 HP | 204 HP |
| Engine RPM | 6300 RPM | 6250 RPM |
| Torque | 490 Nm | 277 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 90.8 mm |
| Engine Stroke Size | 88.3 mm | 77 mm |
| Engine Compression Ratio | 10.5:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1250 kg |
| Vehicle Length | 4850 mm | 4470 mm |
| Vehicle Width | 1470 mm | 1710 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2500 mm |
