2005 Buick Regal vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Buick Regal. In addition, the cost of maintenance, including insurance, on 2005 Buick Regal would be higher. At 4,800 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (302 HP @ 5600 RPM) has 105 more horse power than 2005 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2005 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 758 kg more than 2005 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2010 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2005 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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, 2010 GMC Sierra (413 Nm @ 4600 RPM) has 102 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
| 2005 Buick Regal | 2010 GMC Sierra | |
| Make | Buick | GMC |
| Model | Regal | Sierra |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 302 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 311 Nm | 413 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2318 kg |
| Vehicle Length | 4990 mm | 5847 mm |
| Vehicle Width | 1850 mm | 2032 mm |
| Vehicle Height | 1440 mm | 1875 mm |
| Wheelbase Size | 2780 mm | 3645 mm |
| Fuel Tank Capacity | 64 L | 98 L |
