2011 Subaru Impreza WRX Sedan Premium vs. 2011 Subaru Impreza WRX Sedan STI
To start off, both 2011 Subaru Impreza WRX Sedan Premium and 2011 Subaru Impreza WRX Sedan STI were released in the same year (2011). Therefore the support and the availability on parts for both vehicles should be relatively similar. Both 2011 Subaru Impreza WRX Sedan Premium and 2011 Subaru Impreza WRX Sedan STI are equipped with a 2,500 cc engine. In terms of performance, 2011 Subaru Impreza WRX Sedan STI (305 HP @ 6000 RPM) has 40 more horse power than 2011 Subaru Impreza WRX Sedan Premium. (265 HP @ 6000 RPM) In normal driving conditions, 2011 Subaru Impreza WRX Sedan STI should accelerate faster than 2011 Subaru Impreza WRX Sedan Premium. With that said, vehicle weight also plays an important factor in acceleration. 2011 Subaru Impreza WRX Sedan STI weights approximately 80 kg more than 2011 Subaru Impreza WRX Sedan Premium. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are all wheel drive (AWD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2011 Subaru Impreza WRX Sedan STI (393 Nm @ 4000 RPM) has 63 more torque (in Nm) than 2011 Subaru Impreza WRX Sedan Premium. (330 Nm @ 4000 RPM). This means 2011 Subaru Impreza WRX Sedan STI will have an easier job in driving up hills or pulling heavy equipment than 2011 Subaru Impreza WRX Sedan Premium.
Compare all specifications:
| 2011 Subaru Impreza WRX Sedan Premium | 2011 Subaru Impreza WRX Sedan STI | |
| Make | Subaru | Subaru |
| Model | Impreza | Impreza |
| Year Released | 2011 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2500 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 305 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 330 Nm | 393 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1455 kg | 1535 kg |
| Vehicle Length | 4415 mm | 4580 mm |
| Vehicle Width | 1796 mm | 1796 mm |
| Vehicle Height | 1476 mm | 1471 mm |
| Wheelbase Size | 2624 mm | 2624 mm |
| Fuel Consumption | 9.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 12.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
