2006 Cadillac STS vs. 1971 Mercury Cougar
To start off, 2006 Cadillac STS is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1971 Mercury Cougar would be higher. At 5,769 cc (8 cylinders), 1971 Mercury Cougar is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 86 more horse power than 1971 Mercury Cougar. (167 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1971 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 132 kg more than 1971 Mercury Cougar. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1971 Mercury Cougar (363 Nm @ 2400 RPM) has 21 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 1971 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 1971 Mercury Cougar | |
| Make | Cadillac | Mercury |
| Model | STS | Cougar |
| Year Released | 2006 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 5769 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 253 HP | 167 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 363 Nm |
| Torque RPM | 3200 RPM | 2400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1650 kg |
| Vehicle Length | 4990 mm | 5080 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2860 mm |
