2007 Porsche 911 vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (351 HP @ 6600 RPM) has 77 more horse power than 2011 Kia Optima. (274 HP @ 6000 RPM). In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2011 Kia Optima weights approximately 60 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 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, 2007 Porsche 911 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 36 more torque (in Nm) than 2011 Kia Optima. (364 Nm @ 1750 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima. 2011 Kia Optima has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Kia Optima will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Porsche 911 | 2011 Kia Optima | |
| Make | Porsche | Kia |
| Model | 911 | Optima |
| Year Released | 2007 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3824 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 351 HP | 274 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 400 Nm | 364 Nm |
| Torque RPM | 4600 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1535 kg |
| Vehicle Length | 4430 mm | 4844 mm |
| Vehicle Width | 1860 mm | 1831 mm |
| Vehicle Height | 1310 mm | 1455 mm |
| Wheelbase Size | 2360 mm | 2797 mm |
| Fuel Tank Capacity | 67 L | 70 L |
