1975 BMW 320 vs. 1989 Ford Sierra
To start off, 1989 Ford Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1975 BMW 320. In addition, the cost of maintenance, including insurance, on 1975 BMW 320 would be higher. At 2,933 cc (6 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (148 HP @ 5700 RPM) has 39 more horse power than 1975 BMW 320. (109 HP @ 5800 RPM) In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 175 kg more than 1975 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 320. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra will offer significantly more control. 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, 1989 Ford Sierra (238 Nm @ 3000 RPM) has 81 more torque (in Nm) than 1975 BMW 320. (157 Nm @ 3700 RPM). This means 1989 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1975 BMW 320 | 1989 Ford Sierra | |
| Make | BMW | Ford |
| Model | 320 | Sierra |
| Year Released | 1975 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2933 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 148 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 157 Nm | 238 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1120 kg | 1295 kg |
| Vehicle Length | 4360 mm | 4430 mm |
| Vehicle Width | 1620 mm | 1700 mm |
| Vehicle Height | 1350 mm | 1370 mm |
| Wheelbase Size | 2580 mm | 2610 mm |
| Fuel Tank Capacity | 52 L | 55 L |
