2005 Audi RS4 vs. 1973 Mercury Cougar
To start off, 2005 Audi RS4 is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1973 Mercury Cougar would be higher. At 5,769 cc (8 cylinders), 1973 Mercury Cougar is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 208 more horse power than 1973 Mercury Cougar. (168 HP @ 4000 RPM). In normal driving conditions, 2005 Audi RS4 should accelerate faster than 1973 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Cougar weights approximately 65 kg more than 2005 Audi RS4.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mercury Cougar. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS4 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 86 more torque (in Nm) than 1973 Mercury Cougar. (363 Nm @ 2400 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mercury Cougar.
Compare all specifications:
| 2005 Audi RS4 | 1973 Mercury Cougar | |
| Make | Audi | Mercury |
| Model | RS4 | Cougar |
| Year Released | 2005 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5769 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 376 HP | 168 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 449 Nm | 363 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1650 kg |
| Vehicle Length | 4600 mm | 5080 mm |
| Vehicle Width | 1820 mm | 1920 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
