2004 Kia Optima vs. 2007 Nissan Maxima
To start off, 2007 Nissan Maxima is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 3,505 cc (6 cylinders), 2007 Nissan Maxima is equipped with a bigger engine. In terms of performance, 2007 Nissan Maxima (255 HP @ 6000 RPM) has 118 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM) In normal driving conditions, 2007 Nissan Maxima should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Nissan Maxima weights approximately 86 kg more than 2004 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 Nissan Maxima (342 Nm) has 143 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2007 Nissan Maxima will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2007 Nissan Maxima | |
| Make | Kia | Nissan |
| Model | Optima | Maxima |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 3505 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 255 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 199 Nm | 342 Nm |
| Engine Bore Size | 87.1 mm | 96 mm |
| Engine Stroke Size | 100 mm | 81 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1574 kg |
| Vehicle Length | 4730 mm | 4940 mm |
| Vehicle Width | 1820 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Consumption | 7.8 L/100km | 8.4 L/100km |
| Fuel Consumption City | 10.2 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 65 L | 76 L |
