2009 Mercury Mariner vs. 2007 Opel Astra
To start off, 2009 Mercury Mariner is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 2,488 cc (4 cylinders), 2009 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (171 HP @ 6000 RPM) has 3 more horse power than 2007 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 500 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 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, 2007 Opel Astra (250 Nm @ 1950 RPM) has 18 more torque (in Nm) than 2009 Mercury Mariner. (232 Nm @ 4500 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner. 2009 Mercury Mariner has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercury Mariner | 2007 Opel Astra | |
| Make | Mercury | Opel |
| Model | Mariner | Astra |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2488 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 171 HP | 168 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 232 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Compression Ratio | 9.7:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1925 kg | 1425 kg |
| Vehicle Length | 4460 mm | 4520 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1730 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2710 mm |
| Fuel Consumption Overall | 11.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 62 L | 52 L |
