2005 Infiniti M vs. 2004 Kia Optima
To start off, 2005 Infiniti M is newer by 1 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 4,494 cc (8 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (335 HP @ 6400 RPM) has 197 more horse power than 2004 Kia Optima. (138 HP @ 3800 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 242 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.
Because 2005 Infiniti M is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Infiniti M. However, in wet, icy, snow, or gravel driving conditions, 2004 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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 Infiniti M (453 Nm) has 254 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
2005 Infiniti M | 2004 Kia Optima | |
Make | Infiniti | Kia |
Model | M | Optima |
Year Released | 2005 | 2004 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4494 cc | 2398 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 335 HP | 138 HP |
Engine RPM | 6400 RPM | 3800 RPM |
Torque | 453 Nm | 199 Nm |
Engine Bore Size | 93 mm | 87 mm |
Engine Stroke Size | 82.7 mm | 100 mm |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1791 kg | 1549 kg |
Vehicle Length | 4900 mm | 4730 mm |
Vehicle Width | 1800 mm | 1820 mm |
Vehicle Height | 1520 mm | 1420 mm |
Wheelbase Size | 2910 mm | 2720 mm |
Fuel Tank Capacity | 75 L | 65 L |