2003 BMW X3 vs. 1984 Ford Sierra
To start off, 2003 BMW X3 is newer by 19 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 2,995 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (201 HP @ 4000 RPM) has 126 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 890 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 2003 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, 2003 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, 2003 BMW X3 (410 Nm @ 1500 RPM) has 287 more torque (in Nm) than 1984 Ford Sierra. (123 Nm @ 2900 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2003 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. 2003 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW X3 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | X3 | Sierra |
| Year Released | 2003 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 1593 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 75 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 410 Nm | 123 Nm |
| Torque RPM | 1500 RPM | 2900 RPM |
| Engine Bore Size | 84 mm | 87.7 mm |
| Engine Stroke Size | 90 mm | 66 mm |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Top Speed | 215 km/hour | 166 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1930 kg | 1040 kg |
| Vehicle Length | 4570 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1680 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2610 mm |
| Fuel Tank Capacity | 67 L | 60 L |
