1976 BMW 630 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1976 BMW 630 (173 HP @ 5500 RPM) has 84 more horse power than 1987 Ford Sierra. (89 HP @ 5400 RPM). In normal driving conditions, 1976 BMW 630 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 630 weights approximately 368 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, 1976 BMW 630 (251 Nm @ 4500 RPM) has 111 more torque (in Nm) than 1987 Ford Sierra. (140 Nm @ 3500 RPM). This means 1976 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1976 BMW 630 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 630 | Sierra |
| Year Released | 1976 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 89 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 251 Nm | 140 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1458 kg | 1090 kg |
| Vehicle Length | 4760 mm | 4430 mm |
| Vehicle Width | 1760 mm | 1700 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2630 mm | 2620 mm |
