2005 Mercury Mariner vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2005 Mercury Mariner would be higher. At 2,999 cc (6 cylinders), 2005 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2005 Mercury Mariner (201 HP) has 26 more horse power than 2008 Opel Signum. (175 HP). In normal driving conditions, 2005 Mercury Mariner should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 99 kg more than 2005 Mercury Mariner.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner 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, 2008 Opel Signum (370 Nm) has 108 more torque (in Nm) than 2005 Mercury Mariner. (262 Nm). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2005 Mercury Mariner | 2008 Opel Signum | |
| Make | Mercury | Opel |
| Model | Mariner | Signum |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 175 HP |
| Torque | 262 Nm | 370 Nm |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 80 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1571 kg | 1670 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1730 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
