Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2008 Subaru Impreza Reliability ReportKeepScore 78/100 · top failure points · buy or avoid

78/ 100

KeepScore

MODERATE RISK

Grade: C+

A capable all-weather compact that offers great utility, but requires a diligent eye on its unique engine and diligent rust prevention.

Full system breakdown + what I would do

Quick Facts · 2008 Subaru Impreza

  • Scores 10 points below the strongest nearby year — the 2010 Subaru Impreza earns a 88.
  • The system most likely to surface first: engine head gaskets (major severity).
  • Has 15 NHTSA recalls on record — the most notable involves the exterior lighting:brake lights:switch.

2008 Subaru Impreza: Buy or Avoid?

The 2008 Subaru Impreza offers commendable all-wheel-drive capability and solid safety credentials, making it a strong contender for those in challenging climates. However, its historically finicky Boxer engine, specifically regarding head gaskets and potential oil consumption, demands diligent maintenance and careful pre-purchase inspection to avoid significant repair costs down the line.

The 2008 Subaru Impreza is a highly capable and practical compact, especially for those in snowy climates, but its reliability is a mixed bag. The potential for costly head gasket repairs and rust issues means buyers must be diligent in their pre-purchase inspections and ongoing maintenance. If you find a well-maint…

Best Model Years

2008-2011 (3rd generation, similar issues, but avoid earlier 2000s for worse head gasket problems)

Years to Avoid

Earlier 2.5L Imprezas from the late 90s to early 2000s had more prevalent head gasket issues. While improved, the 2008 still carries this legacy.

Biggest Strengths

  • Standard Symmetrical All-Wheel Drive system
  • Robust chassis and good crash test performance
  • Practicality and strong community support

2008 Subaru Impreza — Known Trouble Spots

The systems that tend to fail first on the 2008 Subaru Impreza, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
Engine Head Gasketsmajor~90,000-150,000 mi

While improved from previous generations, the 2.5L naturally aspirated EJ253 engine can still develop external oil/coolant leaks or internal coolant migration due to gasket degradation. This can lead to overheating or costly contamination.

2
Wheel Bearingsmoderate~70,000-110,000 mi

Due to the continuous all-wheel-drive system and general wear, front and rear wheel bearings are prone to failure, often manifesting as a noticeable humming or grinding noise.

3
Rust and Corrosionmoderate~All mileages in salt-belt regions mi

Subaru's of this era are known to be susceptible to rust, particularly in the rear wheel arches, rocker panels, subframe components, and brake lines, especially in areas where road salt is heavily used.

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2008 Subaru Impreza Mileage Danger Zones

The mileage windows when the 2008 Subaru Impreza most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the vehicle is still relatively new. Focus on routine maintenance like oil changes, tire rotations, and cabin/engine air filters. Any issues here would likely be covered under warranty.

60,000

Maintenance Zone

This mileage often triggers significant maintenance intervals including spark plugs, differential/transmission fluid changes (especially for manual), and inspection of belts, hoses, and initial suspension wear.

90,000

Elevated Risk Zone

This is a critical mileage for the EJ253 engine, where head gasket issues are more likely to begin manifesting. Wheel bearings and oxygen sensors are also common culprits for attention.

120,000+

High Risk Zone

Beyond this point, expect more frequent wear-and-tear repairs across various systems. Ongoing head gasket monitoring is essential, and rust progression can become a major concern, potentially affecting structural integrity or brake lines.

2008 Subaru Impreza Ownership Cost Outlook

What it typically costs to keep the 2008 Subaru Impreza on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$450-700

Moderate Repairs

$600-1,800 occasionally (e.g., wheel bearings, O2 sensors, clutch)

How Long Does the 2008 Subaru Impreza Last?

Focus on examples with comprehensive service records. High mileage isn't a deal-breaker if head gaskets have been addressed; otherwise, prioritize lower mileage vehicles or budget for the repair.

What 2008 Subaru Impreza Owners Actually Say

What Owners Love

  • Excellent all-weather capability with Symmetrical AWD
  • Strong safety ratings and robust build quality
  • Engaging driving dynamics for a compact car
  • Practical hatchback cargo space (if applicable)

Common Frustrations

  • Below-average fuel economy for its class
  • Persistent anxiety over head gasket integrity
  • Interior materials feel somewhat dated and prone to rattles
  • Noticeable road noise at highway speeds

Who Should Buy the 2008 Subaru Impreza?

Best For

  • Drivers in snowy/wet climates requiring AWD
  • Outdoor enthusiasts needing light off-road capability
  • Value-conscious buyers looking for robust safety

Not Ideal For

  • Buyers prioritizing ultimate fuel efficiency
  • Those who prefer a low-maintenance, 'set it and forget it' vehicle

How the 2008 Subaru Impreza Compares to Rivals

While not as bulletproof as its Japanese sedan rivals (Civic/Corolla) regarding powertrain longevity, the Impreza offers standard AWD, a unique driving character, and excellent safety, which sets it apart for specific buyer needs.

More Reliable Than

  • Ford Focus (reliability of older models)
  • Dodge Caliber
  • Chevrolet Cobalt

Comparable To

  • Mazda 3 (pre-SkyActiv - rust issues)
  • Nissan Sentra

Safety Recalls on the 2008 Subaru Impreza

15 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

Subaru of America, Inc. (Subaru) is recalling certain 2014-2016 Forester, 2008-2016 Impreza sedans, 2012-2016 Impreza station wagons, 2008-2014 WRX sedans (including STI), and 2013-2017 Crosstrek vehicles. Exposure to certain contaminants may cause the brake light switch to malfunction, preventing the brake lights from illuminating and also preventing keyless ignition vehicles from starting and CVT/automatic transmissions from being able to be shifted out of Park.

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

What breaks on the 2008 Subaru Impreza?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

OwnerKeep Passport · $499 · one-time

Just bought a 2008 Subaru Impreza? Keep it that way.

Snap a receipt — AI logs it. Build an OwnerScore. Sell with a buyer-ready Passport dossier.

Subaru Impreza — Year-by-Year Comparison

Compare KeepScores across nearby years of the Subaru Impreza. Click any year for its full report.

Competing 2008s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2008 Subaru Impreza

Parts and accessories matched to your 2008 Subaru Impreza

As an Amazon Associate I earn from qualifying purchases.

Frequently Asked Questions

Full Report

2008 Subaru Impreza

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

Instant delivery · No account

Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

Compare This Vehicle

Final Step

Know every issue before you sign.

A $4.99 reliability report can catch a $3,000 problem. Full breakdown for the 2008 Subaru Impreza — delivered in under 60 seconds.

OwnerKeep Passport

Just bought a 2008 Subaru Impreza? Keep it that way.

OwnerKeep Passport turns your Subaru Impreza's care history into a luxury digital vault — AI-logged receipts, an OwnerScore that pays at resale, and a buyer-ready dossier in one tap.

  • AI receipt OCR — snap and log
  • Fuel & mileage tracker
  • Tri-Score OwnerScore
  • One-tap resale dossier PDF
$499 · one-time · lifetime access · no subscription