2009 Mercury Grand Marquis vs. 2007 Audi A4
To start off, 2009 Mercury Grand Marquis 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 4,606 cc (8 cylinders), 2009 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2009 Mercury Grand Marquis (224 HP @ 4800 RPM) has 7 more horse power than 2007 Audi A4. (217 HP @ 5900 RPM). In normal driving conditions, 2009 Mercury Grand Marquis should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Grand Marquis weights approximately 237 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 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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 Grand Marquis (373 Nm @ 4000 RPM) has 73 more torque (in Nm) than 2007 Audi A4. (300 Nm @ 2200 RPM). This means 2009 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2009 Mercury Grand Marquis | 2007 Audi A4 | |
| Make | Mercury | Audi |
| Model | Grand Marquis | A4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4606 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 224 HP | 217 HP |
| Engine RPM | 4800 RPM | 5900 RPM |
| Torque | 373 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1832 kg | 1595 kg |
| Vehicle Length | 5390 mm | 4550 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2920 mm | 2660 mm |
| Fuel Consumption Overall | 10.7 L/100km | 9 L/100km |
| Fuel Tank Capacity | 72 L | 63 L |
