1999 Buick LeSabre vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1999 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1999 Buick LeSabre would be higher. At 6,000 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (353 HP @ 5400 RPM) has 148 more horse power than 1999 Buick LeSabre. (205 HP @ 5200 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1999 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1042 kg more than 1999 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 GMC Sierra (506 Nm @ 4400 RPM) has 195 more torque (in Nm) than 1999 Buick LeSabre. (311 Nm @ 4000 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick LeSabre.
Compare all specifications:
| 1999 Buick LeSabre | 2012 GMC Sierra | |
| Make | Buick | GMC |
| Model | LeSabre | Sierra |
| Year Released | 1999 | 2012 |
| Body Type | Sedan | Pickup |
| 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 | 353 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 311 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Compression Ratio | 9.4:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1617 kg | 2659 kg |
| Vehicle Length | 5090 mm | 5720 mm |
| Vehicle Width | 1870 mm | 2440 mm |
| Vehicle Height | 1450 mm | 1960 mm |
| Wheelbase Size | 2860 mm | 3380 mm |
| Fuel Tank Capacity | 68 L | 129 L |
