1977 BMW 520 vs. 2005 Mercury Mariner
To start off, 2005 Mercury Mariner is newer by 28 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 2,261 cc (4 cylinders), 2005 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2005 Mercury Mariner (153 HP @ 5800 RPM) has 33 more horse power than 1977 BMW 520. (120 HP @ 6000 RPM) In normal driving conditions, 2005 Mercury Mariner should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mariner weights approximately 269 kg more than 1977 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner will offer significantly more control. 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, 2005 Mercury Mariner (206 Nm @ 4250 RPM) has 46 more torque (in Nm) than 1977 BMW 520. (160 Nm @ 4000 RPM). This means 2005 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2005 Mercury Mariner has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
1977 BMW 520 | 2005 Mercury Mariner | |
Make | BMW | Mercury |
Model | 520 | Mariner |
Year Released | 1977 | 2005 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 1990 cc | 2261 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 120 HP | 153 HP |
Engine RPM | 6000 RPM | 5800 RPM |
Torque | 160 Nm | 206 Nm |
Torque RPM | 4000 RPM | 4250 RPM |
Engine Bore Size | 80 mm | 87 mm |
Engine Stroke Size | 66 mm | 94 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1310 kg | 1579 kg |
Vehicle Length | 4630 mm | 4430 mm |
Vehicle Width | 1700 mm | 1790 mm |
Vehicle Height | 1430 mm | 1730 mm |
Wheelbase Size | 2640 mm | 2630 mm |
Fuel Tank Capacity | 70 L | 62 L |