2003 Infiniti Q45 vs. 2011 GMC Yukon
To start off, 2011 GMC Yukon is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 6,000 cc (8 cylinders), 2011 GMC Yukon is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 8 more horse power than 2011 GMC Yukon. (332 HP @ 5100 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2011 GMC Yukon. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Yukon weights approximately 757 kg more than 2003 Infiniti Q45.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 GMC Yukon (497 Nm @ 4100 RPM) has 46 more torque (in Nm) than 2003 Infiniti Q45. (451 Nm @ 4000 RPM). This means 2011 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti Q45.
Compare all specifications:
| 2003 Infiniti Q45 | 2011 GMC Yukon | |
| Make | Infiniti | GMC |
| Model | Q45 | Yukon |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 340 HP | 332 HP |
| Engine RPM | 6400 RPM | 5100 RPM |
| Torque | 451 Nm | 497 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1804 kg | 2561 kg |
| Vehicle Length | 5080 mm | 5131 mm |
| Vehicle Width | 1850 mm | 2007 mm |
| Vehicle Height | 1500 mm | 1953 mm |
| Wheelbase Size | 2880 mm | 2946 mm |
| Fuel Tank Capacity | 81 L | 95 L |
