2007 Audi A4 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 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 42 more horse power than 2007 Audi A4. (129 HP @ 5700 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 535 kg more than 2007 Audi A4. 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 Audi A4. 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, 2009 Mercury Mariner (232 Nm @ 4500 RPM) has 37 more torque (in Nm) than 2007 Audi A4. (195 Nm @ 3300 RPM). This means 2009 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 Mercury Mariner | |
| Make | Audi | Mercury |
| Model | A4 | Mariner |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2488 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 129 HP | 171 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 195 Nm | 232 Nm |
| Torque RPM | 3300 RPM | 4500 RPM |
| Engine Compression Ratio | 10.3:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1925 kg |
| Vehicle Length | 4590 mm | 4460 mm |
| Vehicle Width | 1430 mm | 1810 mm |
| Vehicle Height | 1780 mm | 1730 mm |
| Wheelbase Size | 2650 mm | 2630 mm |
| Fuel Consumption Overall | 8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
