2007 Alfa Romeo 166 vs. 2005 Kia Optima
To start off, 2007 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 3,179 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (236 HP @ 6200 RPM) has 66 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 166 weights approximately 55 kg more than 2005 Kia Optima. 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, 2007 Alfa Romeo 166 (289 Nm) has 44 more torque (in Nm) than 2005 Kia Optima. (245 Nm). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2005 Kia Optima | |
| Make | Alfa Romeo | Kia |
| Model | 166 | Optima |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 170 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 245 Nm |
| Engine Bore Size | 93 mm | 87 mm |
| Engine Stroke Size | 78 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1487 kg |
| Vehicle Length | 4730 mm | 4730 mm |
| Vehicle Width | 1810 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 12.5 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 69 L | 65 L |
