1977 BMW 728 vs. 2007 Mercury Mariner
To start off, 2007 Mercury Mariner is newer by 30 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 17 more horse power than 2007 Mercury Mariner. (153 HP @ 5800 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 389 kg more than 1977 BMW 728.
Because 1977 BMW 728 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 BMW 728. However, in wet, icy, snow, or gravel driving conditions, 2007 Mercury Mariner, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 29 more torque (in Nm) than 2007 Mercury Mariner. (206 Nm @ 4250 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner. 2007 Mercury Mariner has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 2007 Mercury Mariner | |
| Make | BMW | Mercury |
| Model | 728 | Mariner |
| Year Released | 1977 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 153 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 235 Nm | 206 Nm |
| Torque RPM | 3700 RPM | 4250 RPM |
| Engine Bore Size | 86 mm | 87.4 mm |
| Engine Stroke Size | 80 mm | 94 mm |
| Engine Compression Ratio | 9.0:1 | 9.7:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 1925 kg |
| Vehicle Length | 4870 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1730 mm |
| Wheelbase Size | 2800 mm | 2630 mm |
| Fuel Tank Capacity | 85 L | 62 L |
