1979 Buick LeSabre vs. 2005 GMC Yukon
To start off, 2005 GMC Yukon is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1979 Buick LeSabre would be higher. At 4,818 cc (8 cylinders), 2005 GMC Yukon is equipped with a bigger engine. In terms of performance, 2005 GMC Yukon (260 HP @ 5200 RPM) has 156 more horse power than 1979 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 2005 GMC Yukon should accelerate faster than 1979 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Yukon weights approximately 670 kg more than 1979 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 1979 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2005 GMC Yukon 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 Yukon (393 Nm @ 4000 RPM) has 142 more torque (in Nm) than 1979 Buick LeSabre. (251 Nm @ 2000 RPM). This means 2005 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1979 Buick LeSabre.
Compare all specifications:
| 1979 Buick LeSabre | 2005 GMC Yukon | |
| Make | Buick | GMC |
| Model | LeSabre | Yukon |
| Year Released | 1979 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4818 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 260 HP |
| Engine RPM | 3400 RPM | 5200 RPM |
| Torque | 251 Nm | 393 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1590 kg | 2260 kg |
| Vehicle Length | 5550 mm | 5060 mm |
| Vehicle Width | 1910 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1950 mm |
| Wheelbase Size | 2950 mm | 2950 mm |
