2005 Chevrolet Impala vs. 2008 Chevrolet Tahoe
To start off, 2008 Chevrolet Tahoe 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 5,300 cc (8 cylinders), 2008 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Tahoe (320 HP @ 5200 RPM) has 139 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 2008 Chevrolet Tahoe should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2008 Chevrolet Tahoe weights approximately 663 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 Chevrolet Tahoe 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 Chevrolet Tahoe 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 Chevrolet Tahoe (461 Nm) has 183 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2008 Chevrolet Tahoe will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2008 Chevrolet Tahoe | |
| Make | Chevrolet | Chevrolet |
| Model | Impala | Tahoe |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 5300 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 320 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 278 Nm | 461 Nm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1537 kg | 2200 kg |
| Vehicle Length | 5090 mm | 5140 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1960 mm |
| Wheelbase Size | 2880 mm | 2950 mm |
| Fuel Consumption | 7.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 11.2 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 98 L |
