1991 BMW 525 vs. 1999 Mercury Mountaineer
To start off, 1999 Mercury Mountaineer is newer by 8 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 4,012 cc (6 cylinders), 1999 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1999 Mercury Mountaineer (208 HP @ 5250 RPM) has 65 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM) In normal driving conditions, 1999 Mercury Mountaineer should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Mountaineer weights approximately 365 kg more than 1991 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 525. In wet, icy, snow, or gravel driving conditions, 1999 Mercury Mountaineer 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, 1999 Mercury Mountaineer (325 Nm @ 3250 RPM) has 65 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 1999 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525. 1999 Mercury Mountaineer has automatic transmission and 1991 BMW 525 has manual transmission. 1991 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Mercury Mountaineer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 525 | 1999 Mercury Mountaineer | |
| Make | BMW | Mercury |
| Model | 525 | Mountaineer |
| Year Released | 1991 | 1999 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4012 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 208 HP |
| Engine RPM | 4800 RPM | 5250 RPM |
| Torque | 260 Nm | 325 Nm |
| Torque RPM | 2200 RPM | 3250 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1925 kg |
| Vehicle Length | 4730 mm | 4850 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1800 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
