2009 Hummer H3 vs. 1999 Infiniti Q45
To start off, 2009 Hummer H3 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1999 Infiniti Q45 (265 HP @ 5600 RPM) has 26 more horse power than 2009 Hummer H3. (239 HP @ 5800 RPM) In normal driving conditions, 1999 Infiniti Q45 should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1091 kg more than 1999 Infiniti Q45.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Infiniti Q45. 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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 51 more torque (in Nm) than 2009 Hummer H3. (327 Nm @ 4600 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3.
Compare all specifications:
| 2009 Hummer H3 | 1999 Infiniti Q45 | |
| Make | Hummer | Infiniti |
| Model | H3 | Q45 |
| Year Released | 2009 | 1999 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 4128 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 239 HP | 265 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 327 Nm | 378 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Engine Bore Size | 95.5 mm | 93 mm |
| Engine Stroke Size | 102 mm | 76 mm |
| Engine Compression Ratio | 9.9:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2850 kg | 1759 kg |
| Vehicle Length | 4770 mm | 5080 mm |
| Vehicle Width | 2170 mm | 1830 mm |
| Vehicle Height | 1870 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Tank Capacity | 87 L | 60 L |
