2007 GMC Sierra vs. 2005 Mercury Mountaineer
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercury Mountaineer. In addition, the cost of maintenance, including insurance, on 2005 Mercury Mountaineer would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 143 more horse power than 2005 Mercury Mountaineer. (202 HP @ 5000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2005 Mercury Mountaineer.
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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 176 more torque (in Nm) than 2005 Mercury Mountaineer. (339 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mountaineer.
Compare all specifications:
| 2007 GMC Sierra | 2005 Mercury Mountaineer | |
| Make | GMC | Mercury |
| Model | Sierra | Mountaineer |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 202 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 515 Nm | 339 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 102 mm | 100 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5850 mm | 4860 mm |
| Vehicle Width | 2000 mm | 1840 mm |
| Vehicle Height | 1910 mm | 1850 mm |
| Wheelbase Size | 3650 mm | 2870 mm |
| Fuel Consumption Highway | 14 L/100km | 12.5 L/100km |
| Fuel Consumption City | 17 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 15.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 98 L | 85 L |
