2003 BMW X3 vs. 2006 Mercury Mariner
To start off, 2006 Mercury Mariner is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,492 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mariner weights approximately 85 kg more than 2003 BMW X3.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2003 BMW X3 (245 Nm @ 3500 RPM) has 77 more torque (in Nm) than 2006 Mercury Mariner. (168 Nm @ 4250 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Mariner.
Compare all specifications:
| 2003 BMW X3 | 2006 Mercury Mariner | |
| Make | BMW | Mercury |
| Model | X3 | Mariner |
| Year Released | 2003 | 2006 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 0 HP |
| Torque | 245 Nm | 168 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Engine Compression Ratio | 10.5:1 | 12.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1925 kg |
| Vehicle Length | 4570 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1680 mm | 1790 mm |
| Wheelbase Size | 2800 mm | 2630 mm |
| Fuel Tank Capacity | 67 L | 57 L |
