1984 Buick LeSabre vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1984 Buick LeSabre would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 217 more horse power than 1984 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1984 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 674 kg more than 1984 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1984 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 119 more torque (in Nm) than 1984 Buick LeSabre. (251 Nm @ 2000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1984 Buick LeSabre.
Compare all specifications:
| 1984 Buick LeSabre | 2005 GMC Sierra | |
| Make | Buick | GMC |
| Model | LeSabre | Sierra |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 321 HP |
| Engine RPM | 3400 RPM | 5000 RPM |
| Torque | 251 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Weight | 1596 kg | 2270 kg |
| Vehicle Length | 5550 mm | 5790 mm |
| Vehicle Width | 1910 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2950 mm | 3650 mm |
