1981 Mercury Cougar vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 27 year(s). Which means there will be less support and parts availability for 1981 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1981 Mercury Cougar would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 214 more horse power than 1981 Mercury Cougar. (114 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 1981 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 334 kg more than 1981 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 213 more torque (in Nm) than 1981 Mercury Cougar. (237 Nm @ 2600 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercury Cougar.
Compare all specifications:
| 1981 Mercury Cougar | 2008 BMW 645 | |
| Make | Mercury | BMW |
| Model | Cougar | 645 |
| Year Released | 1981 | 2008 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3797 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 328 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 237 Nm | 450 Nm |
| Torque RPM | 2600 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1356 kg | 1690 kg |
| Vehicle Length | 4960 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2790 mm |
