2005 Chevrolet Impala vs. 2008 GMC Envoy
To start off, 2008 GMC Envoy 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 4,163 cc (6 cylinders), 2008 GMC Envoy is equipped with a bigger engine. In terms of performance, 2008 GMC Envoy (285 HP @ 6000 RPM) has 104 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 2008 GMC Envoy should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Envoy weights approximately 1076 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Envoy (374 Nm) has 96 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2008 GMC Envoy 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 Envoy | |
| Make | Chevrolet | GMC |
| Model | Impala | Envoy |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 285 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 278 Nm | 374 Nm |
| Engine Bore Size | 91 mm | 93.1 mm |
| Engine Stroke Size | 84 mm | 101.9 mm |
| Engine Compression Ratio | 9.5:1 | 10.3:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1537 kg | 2613 kg |
| Vehicle Length | 5090 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1830 mm |
| Wheelbase Size | 2880 mm | 2880 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 | 64 L | 83 L |
