1991 BMW 320 vs. 1987 Ford Sierra
To start off, 1991 BMW 320 is newer by 4 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 1,991 cc (6 cylinders), 1991 BMW 320 is equipped with a bigger engine. In terms of performance, 1991 BMW 320 (149 HP @ 5900 RPM) has 75 more horse power than 1987 Ford Sierra. (74 HP @ 4900 RPM). In normal driving conditions, 1991 BMW 320 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 320 weights approximately 250 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, 1991 BMW 320 (190 Nm @ 4200 RPM) has 67 more torque (in Nm) than 1987 Ford Sierra. (123 Nm @ 2900 RPM). This means 1991 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1991 BMW 320 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | 320 | Sierra |
| Year Released | 1991 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 74 HP |
| Engine RPM | 5900 RPM | 4900 RPM |
| Torque | 190 Nm | 123 Nm |
| Torque RPM | 4200 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1270 kg | 1020 kg |
| Vehicle Length | 4450 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
