2006 Alfa Romeo 156 vs. 2003 Cadillac Catera
To start off, 2006 Alfa Romeo 156 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Cadillac Catera. In addition, the cost of maintenance, including insurance, on 2003 Cadillac Catera would be higher. At 2,962 cc (6 cylinders), 2003 Cadillac Catera is equipped with a bigger engine. In terms of performance, 2003 Cadillac Catera (201 HP @ 6000 RPM) has 52 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 RPM) In normal driving conditions, 2003 Cadillac Catera should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac Catera weights approximately 90 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Cadillac Catera is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Cadillac Catera. However, in wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Cadillac Catera (260 Nm @ 3600 RPM) has 79 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2003 Cadillac Catera will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2003 Cadillac Catera has automatic transmission and 2006 Alfa Romeo 156 has manual transmission. 2006 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Cadillac Catera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2003 Cadillac Catera | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | Catera |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2962 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 201 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 260 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 85 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 214 km/hour | 204 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1705 kg |
| Vehicle Length | 4440 mm | 4890 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2940 mm |
| Fuel Consumption Overall | 8.7 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 63 L | 68 L |
