1981 BMW 725 vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 28 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 3,651 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (242 HP @ 5600 RPM) has 94 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1981 BMW 725.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 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, 2009 Hummer H3 (328 Nm @ 4600 RPM) has 113 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 2009 Hummer H3 | |
Make | BMW | Hummer |
Model | 725 | H3 |
Year Released | 1981 | 2009 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2493 cc | 3651 cc |
Engine Cylinders | 6 cylinders | 5 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 242 HP |
Engine RPM | 5500 RPM | 5600 RPM |
Torque | 215 Nm | 328 Nm |
Torque RPM | 4000 RPM | 4600 RPM |
Engine Bore Size | 86 mm | 95.5 mm |
Engine Stroke Size | 71.6 mm | 102 mm |
Engine Compression Ratio | 9.6:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4870 mm | 4790 mm |
Vehicle Width | 1810 mm | 1900 mm |
Vehicle Height | 1440 mm | 2000 mm |
Wheelbase Size | 2810 mm | 2850 mm |