2007 Mercury Mariner vs. 2003 Opel Vectra
To start off, 2007 Mercury Mariner is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (174 HP @ 4000 RPM) has 41 more horse power than 2007 Mercury Mariner. (133 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 161 kg more than 2003 Opel Vectra.
Because 2007 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 202 more torque (in Nm) than 2007 Mercury Mariner. (168 Nm @ 4250 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner.
Compare all specifications:
| 2007 Mercury Mariner | 2003 Opel Vectra | |
| Make | Mercury | Opel |
| Model | Mariner | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 133 HP | 174 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 168 Nm | 370 Nm |
| Torque RPM | 4250 RPM | 1900 RPM |
| Engine Bore Size | 87.5 mm | 87.5 mm |
| Engine Stroke Size | 94 mm | 82 mm |
| Engine Compression Ratio | 12.4:1 | 18.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1925 kg | 1764 kg |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1790 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Consumption City | 7.1 L/100km | 11 L/100km |
| Fuel Consumption Overall | 7.6 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 57 L | 60 L |
