2003 GMC Sierra vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 5 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (321 HP @ 5000 RPM) has 46 more horse power than 2008 Infiniti M. (275 HP @ 6200 RPM). In normal driving conditions, 2003 GMC Sierra should accelerate faster than 2008 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 950 kg more than 2008 Infiniti M. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2003 GMC Sierra (370 Nm @ 4000 RPM) has 7 more torque (in Nm) than 2008 Infiniti M. (363 Nm @ 4800 RPM). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti M.
Compare all specifications:
| 2003 GMC Sierra | 2008 Infiniti M | |
| Make | GMC | Infiniti |
| Model | Sierra | M |
| Year Released | 2003 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 275 HP |
| Engine RPM | 5000 RPM | 6200 RPM |
| Torque | 370 Nm | 363 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 1320 kg |
| Vehicle Length | 5790 mm | 4900 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1530 mm |
| Wheelbase Size | 3650 mm | 2910 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 76 L |
