2007 BMW X3 vs. 1987 Ford Sierra
To start off, 2007 BMW X3 is newer by 20 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 2,494 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (189 HP @ 6000 RPM) has 85 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 685 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.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (245 Nm @ 3500 RPM) has 85 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2007 BMW X3 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | X3 | Sierra |
| Year Released | 2007 | 1987 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 104 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 245 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1740 kg | 1055 kg |
| Vehicle Length | 4570 mm | 4500 mm |
| Vehicle Width | 1680 mm | 1680 mm |
| Vehicle Height | 1860 mm | 1400 mm |
| Wheelbase Size | 2800 mm | 2620 mm |
