2003 Alfa Romeo 156 vs. 2013 Chevrolet Sonic
To start off, 2013 Chevrolet Sonic 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 1,800 cc (4 cylinders), 2013 Chevrolet Sonic is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (138 HP @ 6200 RPM) has 4 more horse power than 2013 Chevrolet Sonic. (134 HP @ 6300 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2013 Chevrolet Sonic. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 103 kg more than 2013 Chevrolet Sonic. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2013 Chevrolet Sonic (169 Nm @ 3800 RPM) has 5 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm @ 3900 RPM). This means 2013 Chevrolet Sonic will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2013 Chevrolet Sonic | |
| Make | Alfa Romeo | Chevrolet |
| Model | 156 | Sonic |
| Year Released | 2003 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 1800 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 134 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 164 Nm | 169 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 80 mm |
| Engine Stroke Size | 82.7 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | 5-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1340 kg | 1237 kg |
| Vehicle Length | 4440 mm | 4399 mm |
| Vehicle Width | 1750 mm | 1735 mm |
| Vehicle Height | 1400 mm | 1517 mm |
| Wheelbase Size | 2600 mm | 2685 mm |
| Fuel Tank Capacity | 63 L | 46 L |
