2008 Chevrolet Impala vs. 2004 Pontiac Aztek
To start off, 2008 Chevrolet Impala is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Pontiac Aztek. In addition, the cost of maintenance, including insurance, on 2004 Pontiac Aztek would be higher. At 3,505 cc (6 cylinders), 2008 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Impala (211 HP @ 5800 RPM) has 35 more horse power than 2004 Pontiac Aztek. (176 HP @ 5200 RPM). In normal driving conditions, 2008 Chevrolet Impala should accelerate faster than 2004 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Aztek weights approximately 755 kg more than 2008 Chevrolet Impala.
Because 2004 Pontiac Aztek is four wheel drive (4WD), it will have significant more traction and grip than 2008 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2004 Pontiac Aztek 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, 2004 Pontiac Aztek (298 Nm @ 4000 RPM) has 8 more torque (in Nm) than 2008 Chevrolet Impala. (290 Nm @ 4000 RPM). This means 2004 Pontiac Aztek will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Impala.
Compare all specifications:
| 2008 Chevrolet Impala | 2004 Pontiac Aztek | |
| Make | Chevrolet | Pontiac |
| Model | Impala | Aztek |
| Year Released | 2008 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3505 cc | 3392 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 211 HP | 176 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 290 Nm | 298 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 99.1 mm | 92 mm |
| Engine Stroke Size | 75.9 mm | 84 mm |
| Engine Compression Ratio | 9.8:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1075 kg | 1830 kg |
| Vehicle Length | 5100 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1500 mm | 1700 mm |
| Wheelbase Size | 2810 mm | 2760 mm |
| Fuel Tank Capacity | 64 L | 69 L |
