2008 GMC Sierra vs. 2003 Mercury Sable
To start off, 2008 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Mercury Sable. In addition, the cost of maintenance, including insurance, on 2003 Mercury Sable would be higher. At 5,300 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (316 HP @ 5200 RPM) has 163 more horse power than 2003 Mercury Sable. (153 HP @ 4900 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2003 Mercury Sable. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1147 kg more than 2003 Mercury Sable. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercury Sable. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (458 Nm @ 4400 RPM) has 207 more torque (in Nm) than 2003 Mercury Sable. (251 Nm @ 3950 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercury Sable.
Compare all specifications:
| 2008 GMC Sierra | 2003 Mercury Sable | |
| Make | GMC | Mercury |
| Model | Sierra | Sable |
| Year Released | 2008 | 2003 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 2986 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 316 HP | 153 HP |
| Engine RPM | 5200 RPM | 4900 RPM |
| Torque | 458 Nm | 251 Nm |
| Torque RPM | 4400 RPM | 3950 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1512 kg |
| Vehicle Length | 6320 mm | 5100 mm |
| Vehicle Width | 2040 mm | 1860 mm |
| Vehicle Height | 1870 mm | 1470 mm |
| Wheelbase Size | 4010 mm | 2760 mm |
| Fuel Tank Capacity | 129 L | 85 L |
