2003 Alfa Romeo 156 vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,000 cc (4 cylinders), 2013 Cadillac ATS is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (268 HP @ 5500 RPM) has 150 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6500 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac ATS weights approximately 265 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Cadillac ATS 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 2013 Cadillac ATS. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2013 Cadillac ATS (353 Nm @ 5500 RPM) has 213 more torque (in Nm) than 2003 Alfa Romeo 156. (140 Nm @ 4500 RPM). This means 2013 Cadillac ATS will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2013 Cadillac ATS has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Cadillac ATS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2013 Cadillac ATS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | ATS |
| Year Released | 2003 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 268 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 140 Nm | 353 Nm |
| Torque RPM | 4500 RPM | 5500 RPM |
| Engine Bore Size | 82.1 mm | 86 mm |
| Engine Stroke Size | 75.6 mm | 86 mm |
| Engine Compression Ratio | 10.3:1 | 9.5 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1530 kg |
| Vehicle Length | 4450 mm | 4643 mm |
| Vehicle Width | 1750 mm | 1806 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2776 mm |
| Fuel Consumption | 6.5 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
