2007 GMC Sierra vs. 1981 Pontiac Grand Safari
To start off, 2007 GMC Sierra is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Pontiac Grand Safari. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Grand Safari would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 196 more horse power than 1981 Pontiac Grand Safari. (149 HP @ 4000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1981 Pontiac Grand Safari.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1981 Pontiac Grand Safari. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 190 more torque (in Nm) than 1981 Pontiac Grand Safari. (325 Nm @ 2400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Grand Safari.
Compare all specifications:
| 2007 GMC Sierra | 1981 Pontiac Grand Safari | |
| Make | GMC | Pontiac |
| Model | Sierra | Grand Safari |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 149 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 515 Nm | 325 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 102 mm | 101.6 mm |
| Engine Stroke Size | 92 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 5850 mm | 5450 mm |
| Vehicle Width | 2000 mm | 2020 mm |
| Vehicle Height | 1910 mm | 1460 mm |
| Wheelbase Size | 3650 mm | 2950 mm |
