2006 Kia Optima vs. 2003 Lancia Thesis
To start off, 2006 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Lancia Thesis. In addition, the cost of maintenance, including insurance, on 2003 Lancia Thesis would be higher. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 1 more horse power than 2003 Lancia Thesis. (169 HP @ 6500 RPM). In normal driving conditions, 2006 Kia Optima should accelerate faster than 2003 Lancia Thesis. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lancia Thesis weights approximately 192 kg more than 2006 Kia Optima.
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, 2006 Kia Optima (245 Nm @ 4000 RPM) has 19 more torque (in Nm) than 2003 Lancia Thesis. (226 Nm @ 3500 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2003 Lancia Thesis.
Compare all specifications:
| 2006 Kia Optima | 2003 Lancia Thesis | |
| Make | Kia | Lancia |
| Model | Optima | Thesis |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 169 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 245 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86.7 mm | 82 mm |
| Engine Stroke Size | 75 mm | 90.4 mm |
| Engine Compression Ratio | 10.0:1 | 19.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1680 kg |
| Vehicle Length | 4730 mm | 4890 mm |
| Vehicle Width | 1820 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2810 mm |
| Fuel Tank Capacity | 65 L | 47 L |
