2009 Audi A4 vs. 2007 Mercury Mariner
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2007 Mercury Mariner would be higher. At 2,299 cc (4 cylinders), 2007 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 25 more horse power than 2007 Mercury Mariner. (133 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 995 kg more than 2009 Audi A4.
Because 2007 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. 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, 2009 Audi A4 (250 Nm @ 1500 RPM) has 82 more torque (in Nm) than 2007 Mercury Mariner. (168 Nm @ 4250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner.
Compare all specifications:
| 2009 Audi A4 | 2007 Mercury Mariner | |
| Make | Audi | Mercury |
| Model | A4 | Mariner |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 2299 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 133 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 250 Nm | 168 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Engine Bore Size | 82.5 mm | 87.5 mm |
| Engine Stroke Size | 84.1 mm | 94 mm |
| Engine Compression Ratio | 9.6:1 | 12.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 1925 kg |
| Vehicle Length | 4710 mm | 4430 mm |
| Vehicle Width | 2010 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1790 mm |
| Wheelbase Size | 2810 mm | 2630 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 65 L | 57 L |
