2008 GMC Acadia vs. 2006 Kia Optima
To start off, 2008 GMC Acadia is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 3,600 cc (6 cylinders), 2008 GMC Acadia is equipped with a bigger engine. In terms of performance, 2008 GMC Acadia (275 HP @ 6600 RPM) has 105 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2008 GMC Acadia should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Acadia weights approximately 948 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Acadia is four wheel drive (4WD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Acadia (340 Nm @ 3200 RPM) has 95 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2008 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2008 GMC Acadia | 2006 Kia Optima | |
| Make | GMC | Kia |
| Model | Acadia | Optima |
| Year Released | 2008 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 170 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 340 Nm | 245 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2435 kg | 1487 kg |
| Vehicle Length | 5100 mm | 4730 mm |
| Vehicle Width | 1990 mm | 1820 mm |
| Vehicle Height | 1780 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2710 mm |
| Fuel Consumption Highway | 10.7 L/100km | 8.7 L/100km |
| Fuel Consumption City | 14.7 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 83 L | 65 L |
