2003 Alfa Romeo 166 vs. 2005 Kia Rio
To start off, 2005 Kia Rio is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (172 HP @ 4000 RPM) has 34 more horse power than 2005 Kia Rio. (138 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2005 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 671 kg more than 2005 Kia Rio. 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, 2003 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 270 more torque (in Nm) than 2005 Kia Rio. (115 Nm @ 3000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Rio.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 Kia Rio | |
| Make | Alfa Romeo | Kia |
| Model | 166 | Rio |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1341 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 172 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 385 Nm | 115 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 82.1 mm | 75.5 mm |
| Engine Stroke Size | 90.4 mm | 75 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 944 kg |
| Wheelbase Size | 2710 mm | 2420 mm |
| Fuel Tank Capacity | 72 L | 45 L |
