2007 BMW X3 vs. 1984 Ford Sierra
To start off, 2007 BMW X3 is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 55 more horse power than 1984 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 585 kg more than 1984 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 1984 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 (480 Nm @ 1750 RPM) has 264 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2007 BMW X3 has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X3 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | X3 | Sierra |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 160 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 480 Nm | 216 Nm |
| Torque RPM | 1750 RPM | 4300 RPM |
| Engine Compression Ratio | 17.0:1 | 9.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1765 kg | 1180 kg |
| Vehicle Length | 4570 mm | 4430 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1860 mm | 1370 mm |
| Wheelbase Size | 2800 mm | 2610 mm |
