1991 BMW 525 vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 18 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 3,700 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (239 HP @ 5800 RPM) has 96 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM) In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 634 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 2009 Hummer H3 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, 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 (327 Nm @ 4600 RPM) has 67 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525.
Compare all specifications:
| 1991 BMW 525 | 2009 Hummer H3 | |
| Make | BMW | Hummer |
| Model | 525 | H3 |
| Year Released | 1991 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 239 HP |
| Engine RPM | 4800 RPM | 5800 RPM |
| Torque | 260 Nm | 327 Nm |
| Torque RPM | 2200 RPM | 4600 RPM |
| Engine Bore Size | 80 mm | 95.5 mm |
| Engine Stroke Size | 83 mm | 102 mm |
| Engine Compression Ratio | 22.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2194 kg |
| Vehicle Length | 4730 mm | 5410 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1840 mm |
| Wheelbase Size | 2770 mm | 3420 mm |
| Fuel Tank Capacity | 80 L | 102 L |
