2008 Chevrolet Lumina vs. 2005 Pontiac Aztek
To start off, 2008 Chevrolet Lumina is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Pontiac Aztek. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Aztek would be higher. At 3,565 cc (6 cylinders), 2008 Chevrolet Lumina is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Lumina (254 HP @ 6500 RPM) has 79 more horse power than 2005 Pontiac Aztek. (175 HP @ 5200 RPM). In normal driving conditions, 2008 Chevrolet Lumina should accelerate faster than 2005 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Aztek weights approximately 238 kg more than 2008 Chevrolet Lumina.
Because 2005 Pontiac Aztek is four wheel drive (4WD), it will have significant more traction and grip than 2008 Chevrolet Lumina. In wet, icy, snow, or gravel driving conditions, 2005 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, 2008 Chevrolet Lumina (340 Nm @ 3200 RPM) has 42 more torque (in Nm) than 2005 Pontiac Aztek. (298 Nm @ 4000 RPM). This means 2008 Chevrolet Lumina will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Aztek.
Compare all specifications:
| 2008 Chevrolet Lumina | 2005 Pontiac Aztek | |
| Make | Chevrolet | Pontiac |
| Model | Lumina | Aztek |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3565 cc | 3392 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 175 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 340 Nm | 298 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 97.1 mm | 92.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 9.4:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1592 kg | 1830 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1700 mm |
| Wheelbase Size | 2790 mm | 2760 mm |
| Fuel Tank Capacity | 75 L | 69 L |
