2005 Kia Optima vs. 2007 Volvo S40
To start off, 2007 Volvo S40 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 2,671 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 47 more horse power than 2007 Volvo S40. (123 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2007 Volvo S40. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volvo S40 weights approximately 164 kg more than 2005 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, 2005 Kia Optima (241 Nm) has 76 more torque (in Nm) than 2007 Volvo S40. (165 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Volvo S40.
Compare all specifications:
| 2005 Kia Optima | 2007 Volvo S40 | |
| Make | Kia | Volvo |
| Model | Optima | S40 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1798 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 123 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 241 Nm | 165 Nm |
| Engine Bore Size | 87 mm | 83 mm |
| Engine Stroke Size | 75 mm | 83.1 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1651 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2650 mm |
| Fuel Consumption Overall | 10.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 65 L | 55 L |
