1977 Buick Estate vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 36 year(s). Which means there will be less support and parts availability for 1977 Buick Estate. In addition, the cost of maintenance, including insurance, on 1977 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1977 Buick Estate is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 145 more horse power than 1977 Buick Estate. (153 HP @ 3400 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1977 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 391 kg more than 1977 Buick Estate. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Buick Estate. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 34 more torque (in Nm) than 1977 Buick Estate. (380 Nm @ 1800 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Buick Estate.
Compare all specifications:
| 1977 Buick Estate | 2013 GMC Sierra | |
| Make | Buick | GMC |
| Model | Estate | Sierra |
| Year Released | 1977 | 2013 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 153 HP | 298 HP |
| Engine RPM | 3400 RPM | 5600 RPM |
| Torque | 380 Nm | 414 Nm |
| Torque RPM | 1800 RPM | 4600 RPM |
| Engine Bore Size | 96.5 mm | 96 mm |
| Engine Stroke Size | 97.8 mm | 83 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | 4-speed automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1880 kg | 2271 kg |
| Vehicle Length | 5510 mm | 5702 mm |
| Vehicle Width | 1990 mm | 2031 mm |
| Vehicle Height | 1440 mm | 1875 mm |
| Wheelbase Size | 2950 mm | 3378 mm |
