1981 Buick LeSabre vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1981 Buick LeSabre would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (282 HP @ 5200 RPM) has 178 more horse power than 1981 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1981 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 245 kg more than 1981 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1981 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 GMC Sierra (440 Nm @ 4000 RPM) has 189 more torque (in Nm) than 1981 Buick LeSabre. (251 Nm @ 2000 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick LeSabre. 1981 Buick LeSabre has automatic transmission and 1999 GMC Sierra has manual transmission. 1999 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Buick LeSabre will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Buick LeSabre | 1999 GMC Sierra | |
| Make | Buick | GMC |
| Model | LeSabre | Sierra |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 5325 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 282 HP |
| Engine RPM | 3400 RPM | 5200 RPM |
| Torque | 251 Nm | 440 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1590 kg | 1835 kg |
| Vehicle Length | 5550 mm | 5170 mm |
| Vehicle Width | 1910 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2950 mm | 3030 mm |
