1973 Mercury Cougar vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 34 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 7,542 cc (8 cylinders), 1973 Mercury Cougar is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 115 more horse power than 1973 Mercury Cougar. (213 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 1973 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Cougar weights approximately 415 kg more than 2007 BMW 645.
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, 1973 Mercury Cougar (498 Nm @ 2600 RPM) has 48 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 1973 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
| 1973 Mercury Cougar | 2007 BMW 645 | |
| Make | Mercury | BMW |
| Model | Cougar | 645 |
| Year Released | 1973 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7542 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 213 HP | 328 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 498 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 | 2105 kg | 1690 kg |
| Vehicle Length | 5480 mm | 4830 mm |
| Vehicle Width | 2010 mm | 1860 mm |
| Vehicle Height | 1340 mm | 1380 mm |
| Wheelbase Size | 2910 mm | 2790 mm |
