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 3,121 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 12 more horse power than 2009 Mercury Mariner. (240 HP @ 6550 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 185 kg more than 2007 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Audi A4 (330 Nm @ 3250 RPM) has 28 more torque (in Nm) than 2009 Mercury Mariner. (302 Nm @ 4500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 2007 Audi A4 | 2009 Mercury Mariner | |
| Make | Audi | Mercury |
| Model | A4 | Mariner |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 2967 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 240 HP |
| Engine RPM | 5100 RPM | 6550 RPM |
| Torque | 330 Nm | 302 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Compression Ratio | 12.5:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1740 kg | 1925 kg |
| Vehicle Length | 4580 mm | 4460 mm |
| Vehicle Width | 1400 mm | 1810 mm |
| Vehicle Height | 1780 mm | 1780 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Consumption Overall | 11.1 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
