1977 Mercury Cougar vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 36 year(s). Which means there will be less support and parts availability for 1977 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1977 Mercury Cougar would be higher. At 6,000 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (327 HP @ 5100 RPM) has 194 more horse power than 1977 Mercury Cougar. (133 HP @ 3400 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1977 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 673 kg more than 1977 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, 2013 GMC Sierra (498 Nm @ 4100 RPM) has 162 more torque (in Nm) than 1977 Mercury Cougar. (336 Nm @ 1600 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Mercury Cougar.
Compare all specifications:
| 1977 Mercury Cougar | 2013 GMC Sierra | |
| Make | Mercury | GMC |
| Model | Cougar | Sierra |
| Year Released | 1977 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 133 HP | 327 HP |
| Engine RPM | 3400 RPM | 5100 RPM |
| Torque | 336 Nm | 498 Nm |
| Torque RPM | 1600 RPM | 4100 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1855 kg | 2528 kg |
| Vehicle Length | 5480 mm | 5847 mm |
| Vehicle Width | 2010 mm | 2032 mm |
| Vehicle Height | 1340 mm | 1875 mm |
| Wheelbase Size | 2910 mm | 3645 mm |
