2003 Land Rover Discovery 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 Land Rover Discovery. In addition, the cost of maintenance, including insurance, on 2003 Land Rover Discovery would be higher. At 3,950 cc (8 cylinders), 2003 Land Rover Discovery is equipped with a bigger engine. In terms of performance, 2003 Land Rover Discovery (181 HP @ 4750 RPM) has 28 more horse power than 2006 Mercury Mariner. (153 HP @ 5800 RPM). In normal driving conditions, 2003 Land Rover Discovery should accelerate faster than 2006 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2003 Land Rover Discovery weights approximately 95 kg more than 2006 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Land Rover Discovery (340 Nm @ 2600 RPM) has 134 more torque (in Nm) than 2006 Mercury Mariner. (206 Nm @ 4250 RPM). This means 2003 Land Rover Discovery will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Mariner.
Compare all specifications:
| 2003 Land Rover Discovery | 2006 Mercury Mariner | |
| Make | Land Rover | Mercury |
| Model | Discovery | Mariner |
| Year Released | 2003 | 2006 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3950 cc | 2262 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 153 HP |
| Engine RPM | 4750 RPM | 5800 RPM |
| Torque | 340 Nm | 206 Nm |
| Torque RPM | 2600 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2020 kg | 1925 kg |
| Vehicle Length | 4710 mm | 4450 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1950 mm | 1780 mm |
| Wheelbase Size | 2550 mm | 2630 mm |
