Driving a 2015 Subaru Impreza offers a blend of standard all-wheel drive, fuel efficiency, and Subaru's renowned safety suite that appeals to practical buyers. However, like any specific model year, this generation comes with a unique set of mechanical and electronic quirks that owners and potential buyers need to understand. This guide details the most common 2015 Subaru Impreza problems, helping you separate minor quirks from serious concerns.
Understanding the 2015 Model Year Context
The 2015 Subaru Impreza marked a significant refresh for the generation, introducing a more modern design and updated infotainment systems. While generally regarded as a reliable compact car, the transition year brought some teething issues. Examining problems specific to the 2015 model is crucial because solutions and prevalence can differ significantly from earlier WRX models or later generations. Knowing what to watch for helps ensure a smoother ownership experience.
Infotainment and Electrical Gremlins
One of the most frequently reported issues centers around the stereo system and auxiliary ports. Many owners experienced intermittent connectivity where USB devices or iPods would suddenly disconnect or stop charging without warning. This often required a system reset by turning the ignition off and on, or even removing the car's battery fuse. These glitches point to potential software bugs or loose connections within the head unit.
Random touch screen freezes or unresponsiveness.
USB ports failing to recognize devices.
Audio cutting out while driving over bumps.
Engine and Transmission Quirks
While the FB20 boxer engine is generally robust, some 2015 models exhibited specific drivability issues. A notable concern involved rough idling and hesitation during cold starts, which could sometimes be traced to a faulty idle air control valve or vacuum leak. Transmission owners, particularly those with the CVT, reported instances of the transmission hunting for gears or exhibiting a slight delay during acceleration, which can be unsettling in certain driving scenarios.
CVT Specific Sensitivities
The Continuously Variable Transmission in the 2015 Impreza is designed for efficiency, but it has a distinct driving feel compared to traditional automatics. Some drivers find the "rubber band" effect, where the engine revs rise without a corresponding increase in speed, to be unnatural. While not always a failure, this characteristic can lead to premature wear if the transmission control software mismanages pulley pressure over time.
Interior Wear and Tear
The quality of materials inside the 2015 Impreza received mixed reviews, with some owners noting that the hard plastics used in the dashboard and door panels felt cheap over time. More critically, the driver's side window regulator is a known weak point. A significant number of complaints cite the window switch failing or the regulator breaking, resulting from a window that will only operates intermittently or not at all. This repair can be costly as it often requires removing the door panel.
Squeaks and rattles developing around the interior trim.
Power window failures, particularly on the driver's side.
Premature fading or cracking of the dashboard surface.
Brake and Suspension Components Worn brake pads and rotors are a normal part of vehicle maintenance, but the 2015 Impreza sometimes exhibited brake pedal pulsation or squealing noises earlier than expected in some driving conditions. On the suspension side, while generally solid, some owners reported that the sway bar end links or ball joints wore out prematurely, leading to clunking sounds over rough roads. Regular inspections of these components are essential for maintaining handling precision. Proactive Maintenance and Long-Term Outlook
Worn brake pads and rotors are a normal part of vehicle maintenance, but the 2015 Impreza sometimes exhibited brake pedal pulsation or squealing noises earlier than expected in some driving conditions. On the suspension side, while generally solid, some owners reported that the sway bar end links or ball joints wore out prematurely, leading to clunking sounds over rough roads. Regular inspections of these components are essential for maintaining handling precision.
