1988 BMW M5 vs. 1987 Ford Sierra
To start off, 1988 BMW M5 is newer by 1 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 3,533 cc (6 cylinders), 1988 BMW M5 is equipped with a bigger engine. In terms of performance, 1988 BMW M5 (311 HP @ 6900 RPM) has 87 more horse power than 1987 Ford Sierra. (224 HP @ 6000 RPM). In normal driving conditions, 1988 BMW M5 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW M5 weights approximately 526 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, 1988 BMW M5 (360 Nm @ 4750 RPM) has 75 more torque (in Nm) than 1987 Ford Sierra. (285 Nm @ 4500 RPM). This means 1988 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1988 BMW M5 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | M5 | Sierra |
| Year Released | 1988 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 3533 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 311 HP | 224 HP |
| Engine RPM | 6900 RPM | 6000 RPM |
| Torque | 360 Nm | 285 Nm |
| Torque RPM | 4750 RPM | 4500 RPM |
| Engine Bore Size | 93.4 mm | 90.8 mm |
| Engine Stroke Size | 86 mm | 77 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Top Speed | 253 km/hour | 248 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1733 kg | 1207 kg |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1760 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2540 mm |
