1992 BMW 730 vs. 1987 Ford Sierra
To start off, 1992 BMW 730 is newer by 5 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 2,984 cc (6 cylinders), 1992 BMW 730 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 43 more horse power than 1992 BMW 730. (181 HP @ 5800 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1992 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 730 weights approximately 393 kg more than 1987 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, 1987 Ford Sierra (285 Nm @ 4500 RPM) has 25 more torque (in Nm) than 1992 BMW 730. (260 Nm @ 4000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 730.
Compare all specifications:
| 1992 BMW 730 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 730 | Sierra |
| Year Released | 1992 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2984 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 224 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 260 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 89 mm | 90.8 mm |
| Engine Stroke Size | 80 mm | 77 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1600 kg | 1207 kg |
| Vehicle Length | 4920 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2540 mm |
