2003 BMW 645 vs. 1972 Mercury Montego
To start off, 2003 BMW 645 is newer by 31 year(s). Which means there will be less support and parts availability for 1972 Mercury Montego. In addition, the cost of maintenance, including insurance, on 1972 Mercury Montego would be higher. At 5,752 cc (8 cylinders), 1972 Mercury Montego is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 149 more horse power than 1972 Mercury Montego. (161 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 1972 Mercury Montego. With that said, vehicle weight also plays an important factor in acceleration. 1972 Mercury Montego weights approximately 287 kg more than 2003 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 76 more torque (in Nm) than 1972 Mercury Montego. (374 Nm @ 2000 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1972 Mercury Montego.
Compare all specifications:
| 2003 BMW 645 | 1972 Mercury Montego | |
| Make | BMW | Mercury |
| Model | 645 | Montego |
| Year Released | 2003 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5752 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 310 HP | 161 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 450 Nm | 374 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Vehicle Weight | 1698 kg | 1985 kg |
| Vehicle Length | 4830 mm | 5480 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 3000 mm |
| Fuel Tank Capacity | 70 L | 78 L |
