2003 GMC Envoy vs. 2006 Infiniti Q45
To start off, 2006 Infiniti Q45 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 GMC Envoy. In addition, the cost of maintenance, including insurance, on 2003 GMC Envoy would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 69 more horse power than 2003 GMC Envoy. (271 HP @ 6000 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2003 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Envoy weights approximately 690 kg more than 2006 Infiniti Q45.
Because 2003 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 2006 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2003 GMC Envoy 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, 2006 Infiniti Q45 (452 Nm @ 4000 RPM) has 79 more torque (in Nm) than 2003 GMC Envoy. (373 Nm @ 3600 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Envoy.
Compare all specifications:
| 2003 GMC Envoy | 2006 Infiniti Q45 | |
| Make | GMC | Infiniti |
| Model | Envoy | Q45 |
| Year Released | 2003 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4158 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 340 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 373 Nm | 452 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 102 mm | 82.7 mm |
| 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 | 2010 kg | 1320 kg |
| Vehicle Length | 4870 mm | 5110 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1780 mm | 1500 mm |
| Wheelbase Size | 2880 mm | 2880 mm |
| Fuel Tank Capacity | 83 L | 81 L |
