1998 Buick Regal vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (364 HP @ 5400 RPM) has 159 more horse power than 1998 Buick Regal. (205 HP @ 5200 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1998 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1165 kg more than 1998 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1998 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm) has 194 more torque (in Nm) than 1998 Buick Regal. (312 Nm). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Buick Regal.
Compare all specifications:
| 1998 Buick Regal | 2011 GMC Sierra | |
| Make | Buick | GMC |
| Model | Regal | Sierra |
| Year Released | 1998 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 205 HP | 364 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 312 Nm | 506 Nm |
| Engine Compression Ratio | 9.4:1 | 10.2:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Vehicle Weight | 1494 kg | 2659 kg |
| Vehicle Length | 4990 mm | 5710 mm |
| Vehicle Width | 1850 mm | 2040 mm |
| Vehicle Height | 1440 mm | 1940 mm |
| Wheelbase Size | 2780 mm | 3380 mm |
| Fuel Tank Capacity | 68 L | 129 L |
