2004 Alfa Romeo 156 vs. 2005 Pontiac Aztek
To start off, 2005 Pontiac Aztek is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,392 cc (6 cylinders), 2005 Pontiac Aztek is equipped with a bigger engine. In terms of performance, 2005 Pontiac Aztek (175 HP @ 5200 RPM) has 27 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2005 Pontiac Aztek should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Aztek weights approximately 305 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2004 Alfa Romeo 156 (300 Nm @ 2000 RPM) has 2 more torque (in Nm) than 2005 Pontiac Aztek. (298 Nm @ 4000 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Aztek. 2005 Pontiac Aztek has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Pontiac Aztek will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2005 Pontiac Aztek | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Aztek |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 175 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 300 Nm | 298 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 92.1 mm |
| Engine Stroke Size | 90.4 mm | 84 mm |
| Engine Compression Ratio | 18.5:1 | 8.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1830 kg |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1700 mm |
| Wheelbase Size | 2600 mm | 2760 mm |
| Fuel Tank Capacity | 63 L | 69 L |
