2008 Audi A8 vs. 2007 Mercury Grand Marquis
To start off, 2008 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 2007 Mercury Grand Marquis would be higher. At 4,603 cc (8 cylinders), 2007 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2007 Mercury Grand Marquis (239 HP @ 4900 RPM) has 9 more horse power than 2008 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2007 Mercury Grand Marquis should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Grand Marquis weights approximately 2 kg more than 2008 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 61 more torque (in Nm) than 2007 Mercury Grand Marquis. (389 Nm @ 4100 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Grand Marquis.
Compare all specifications:
| 2008 Audi A8 | 2007 Mercury Grand Marquis | |
| Make | Audi | Mercury |
| Model | A8 | Grand Marquis |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4603 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 239 HP |
| Engine RPM | 4000 RPM | 4900 RPM |
| Torque | 450 Nm | 389 Nm |
| Torque RPM | 1400 RPM | 4100 RPM |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1832 kg |
| Vehicle Length | 5190 mm | 5370 mm |
| Vehicle Width | 1900 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1490 mm |
| Wheelbase Size | 3080 mm | 2920 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 72 L |
