2009 Audi RS6 vs. 1999 Mercury Cougar
To start off, 2009 Audi RS6 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1999 Mercury Cougar would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 449 more horse power than 1999 Mercury Cougar. (123 HP @ 5500 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 1999 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 718 kg more than 1999 Mercury Cougar. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercury Cougar. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS6 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 RS6 (650 Nm @ 1500 RPM) has 474 more torque (in Nm) than 1999 Mercury Cougar. (176 Nm @ 4000 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercury Cougar.
Compare all specifications:
| 2009 Audi RS6 | 1999 Mercury Cougar | |
| Make | Audi | Mercury |
| Model | RS6 | Cougar |
| Year Released | 2009 | 1999 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 1983 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 123 HP |
| Engine RPM | 6250 RPM | 5500 RPM |
| Torque | 650 Nm | 176 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2028 kg | 1310 kg |
| Vehicle Length | 4930 mm | 4710 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
