2005 GMC Sierra vs. 2002 Infiniti Q45
To start off, 2005 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2002 Infiniti Q45 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 33 more horse power than 2002 Infiniti Q45. (288 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2002 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 500 kg more than 2002 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2002 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra 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, 2002 Infiniti Q45 (396 Nm @ 4000 RPM) has 26 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 2002 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2002 Infiniti Q45 | |
| Make | GMC | Infiniti |
| Model | Sierra | Q45 |
| Year Released | 2005 | 2002 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 4493 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 288 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 370 Nm | 396 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 1770 kg |
| Vehicle Length | 5790 mm | 5080 mm |
| Vehicle Width | 2000 mm | 1850 mm |
| Vehicle Height | 1850 mm | 1500 mm |
| Wheelbase Size | 3650 mm | 2880 mm |
| Fuel Tank Capacity | 117 L | 60 L |
