2007 Alfa Romeo 156 vs. 2003 Hyundai Sonata
To start off, 2007 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Hyundai Sonata. In addition, the cost of maintenance, including insurance, on 2003 Hyundai Sonata would be higher. At 2,492 cc (6 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (189 HP @ 6300 RPM) has 51 more horse power than 2003 Hyundai Sonata. (138 HP @ 5800 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2003 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2003 Hyundai Sonata weights approximately 69 kg more than 2007 Alfa Romeo 156.
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, 2007 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 38 more torque (in Nm) than 2003 Hyundai Sonata. (180 Nm @ 4500 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Hyundai Sonata.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2003 Hyundai Sonata | |
| Make | Alfa Romeo | Hyundai |
| Model | 156 | Sonata |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1983 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 138 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 218 Nm | 180 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Bore Size | 88 mm | 83.3 mm |
| Engine Stroke Size | 68.3 mm | 95 mm |
| Engine Compression Ratio | 10.3:1 | 17.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1356 kg | 1425 kg |
| Vehicle Length | 4440 mm | 4520 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1590 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 65 L |
