1991 BMW 518 vs. 1975 Mercury Comet
To start off, 1991 BMW 518 is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1975 Mercury Comet would be higher. At 3,272 cc (6 cylinders), 1975 Mercury Comet is equipped with a bigger engine. In terms of performance, 1991 BMW 518 (114 HP @ 5500 RPM) has 40 more horse power than 1975 Mercury Comet. (74 HP @ 3200 RPM). In normal driving conditions, 1991 BMW 518 should accelerate faster than 1975 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mercury Comet weights approximately 270 kg more than 1991 BMW 518.
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, 1975 Mercury Comet (197 Nm @ 2000 RPM) has 32 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 1975 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518.
Compare all specifications:
| 1991 BMW 518 | 1975 Mercury Comet | |
| Make | BMW | Mercury |
| Model | 518 | Comet |
| Year Released | 1991 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 3272 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 74 HP |
| Engine RPM | 5500 RPM | 3200 RPM |
| Torque | 165 Nm | 197 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1160 kg | 1430 kg |
| Vehicle Length | 4730 mm | 5000 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1360 mm |
| Wheelbase Size | 2770 mm | 2800 mm |
