2008 Infiniti M vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Infiniti M. In addition, the cost of maintenance, including insurance, on 2008 Infiniti M would be higher. At 3,498 cc (6 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (275 HP @ 6200 RPM) has 109 more horse power than 2011 Kia Optima. (166 HP @ 6000 RPM). In normal driving conditions, 2008 Infiniti M should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2011 Kia Optima weights approximately 263 kg more than 2008 Infiniti M.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2011 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti M will offer significantly more control. 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, 2008 Infiniti M (363 Nm @ 4800 RPM) has 154 more torque (in Nm) than 2011 Kia Optima. (209 Nm @ 4250 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2008 Infiniti M | 2011 Kia Optima | |
| Make | Infiniti | Kia |
| Model | M | Optima |
| Year Released | 2008 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 166 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 363 Nm | 209 Nm |
| Torque RPM | 4800 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1583 kg |
| Vehicle Length | 4900 mm | 4844 mm |
| Vehicle Width | 1800 mm | 1831 mm |
| Vehicle Height | 1530 mm | 1455 mm |
| Wheelbase Size | 2910 mm | 2797 mm |
| Fuel Consumption Highway | 10.7 L/100km | 5.9 L/100km |
| Fuel Consumption City | 14.7 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 76 L | 65 L |
