1981 BMW 725 vs. 2006 Mercury Mountaineer
To start off, 2006 Mercury Mountaineer is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2006 Mercury Mountaineer (293 HP @ 5750 RPM) has 145 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2006 Mercury Mountaineer should accelerate faster than 1981 BMW 725.
Let's talk about torque, 2006 Mercury Mountaineer (407 Nm @ 4750 RPM) has 192 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2006 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 2006 Mercury Mountaineer | |
Make | BMW | Mercury |
Model | 725 | Mountaineer |
Year Released | 1981 | 2006 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2493 cc | 4605 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 293 HP |
Engine RPM | 5500 RPM | 5750 RPM |
Torque | 215 Nm | 407 Nm |
Torque RPM | 4000 RPM | 4750 RPM |
Engine Bore Size | 86 mm | 90.2 mm |
Engine Stroke Size | 71.6 mm | 90 mm |
Engine Compression Ratio | 9.6:1 | 10.1:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 7 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4870 mm | 4920 mm |
Vehicle Width | 1810 mm | 1870 mm |
Vehicle Height | 1440 mm | 1860 mm |
Wheelbase Size | 2810 mm | 2890 mm |