1981 Pontiac Grand Safari vs. 2013 GMC Acadia
To start off, 2013 GMC Acadia is newer by 32 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 4,942 cc (8 cylinders), 1981 Pontiac Grand Safari is equipped with a bigger engine. In terms of performance, 2013 GMC Acadia (284 HP @ 6300 RPM) has 135 more horse power than 1981 Pontiac Grand Safari. (149 HP @ 4000 RPM) In normal driving conditions, 2013 GMC Acadia should accelerate faster than 1981 Pontiac Grand Safari. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Acadia weights approximately 403 kg more than 1981 Pontiac Grand Safari. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Acadia is all wheel drive (AWD), it will have significant more traction and grip than 1981 Pontiac Grand Safari. In wet, icy, snow, or gravel driving conditions, 2013 GMC Acadia 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 Acadia (366 Nm @ 3400 RPM) has 41 more torque (in Nm) than 1981 Pontiac Grand Safari. (325 Nm @ 2400 RPM). This means 2013 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Grand Safari.
Compare all specifications:
| 1981 Pontiac Grand Safari | 2013 GMC Acadia | |
| Make | Pontiac | GMC |
| Model | Grand Safari | Acadia |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 149 HP | 284 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 325 Nm | 366 Nm |
| Torque RPM | 2400 RPM | 3400 RPM |
| Engine Bore Size | 101.6 mm | 94 mm |
| Engine Stroke Size | 76.2 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Vehicle Weight | 1800 kg | 2203 kg |
| Vehicle Length | 5450 mm | 5101 mm |
| Vehicle Width | 2020 mm | 2003 mm |
| Vehicle Height | 1460 mm | 1846 mm |
| Wheelbase Size | 2950 mm | 3020 mm |
