2005 Chevrolet Impala vs. 2008 GMC Acadia
To start off, 2008 GMC Acadia is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala 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 98 more horse power than 2005 Chevrolet Impala. (177 HP @ 5200 RPM) In normal driving conditions, 2008 GMC Acadia should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Acadia weights approximately 607 kg more than 2005 Chevrolet Impala. 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 2005 Chevrolet Impala. 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 62 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm @ 4000 RPM). This means 2008 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2008 GMC Acadia | |
| Make | Chevrolet | GMC |
| Model | Impala | Acadia |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3354 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 275 HP |
| Engine RPM | 5200 RPM | 6600 RPM |
| Torque | 278 Nm | 340 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Compression Ratio | 9.5:1 | 10.2:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1535 kg | 2142 kg |
| Vehicle Length | 5090 mm | 5100 mm |
| Vehicle Width | 1860 mm | 1990 mm |
| Vehicle Height | 1460 mm | 1780 mm |
| Wheelbase Size | 2710 mm | 3030 mm |
| Fuel Consumption | 7.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 11.2 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 83 L |
