1999 Audi S8 vs. 2006 Mercury Grand Marquis
To start off, 2006 Mercury Grand Marquis is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (247 HP @ 7000 RPM) has 23 more horse power than 2006 Mercury Grand Marquis. (224 HP @ 4800 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2006 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Grand Marquis weights approximately 175 kg more than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 2006 Mercury Grand Marquis (369 Nm @ 4000 RPM) has 39 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2006 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2006 Mercury Grand Marquis | |
| Make | Audi | Mercury |
| Model | S8 | Grand Marquis |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4605 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 224 HP |
| Engine RPM | 7000 RPM | 4800 RPM |
| Torque | 330 Nm | 369 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 90.2 mm |
| Engine Stroke Size | 93 mm | 89.9 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1925 kg |
| Vehicle Length | 5040 mm | 5390 mm |
| Vehicle Width | 1890 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2890 mm | 2920 mm |
| Fuel Consumption Highway | 9.5 L/100km | 9.4 L/100km |
| Fuel Consumption City | 21.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 72 L |
