IsItAGoodCar
Reliability Guide

Common Problems with the
2009 Subaru Impreza Mk3 (GE/GH/GR)

Mid-cycle models with the diesel option. These are the most dangerous examples to buy without specialist knowledge, as the EE20 engine can fail catastrophically.

What changed for 2009

  • •Introduction of 2.0D boxer diesel option
  • •Minor equipment upgrades
  • •Revised interior trim

Common MOT watch-outs

  • !Diesel crankshaft failure at any mileage
  • !Steering rack seal deterioration
  • !Rust spreading to structural points
3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

Boxer Diesel Crankshaft Failure

SeriousEngine

Diesel Mk3 Imprezas inherit the same EE20 bottom-end risk seen elsewhere in the Subaru range, making them one of the least forgiving versions to buy blind.

Est. Repair Cost: £3,000–£6,000
Warning Signs:

Engine knock, Low oil pressure, Sudden engine failure

What to Inspect:
  • Only consider cars with outstanding history
  • Listen from cold and fully warm
  • Avoid rough-running examples no matter how cheap
Verified by IsItAGoodCar Research Team

Steering Rack Leaks

ModerateSteering

Hydraulic steering racks on Mk3 Imprezas can leak from the seals, eventually causing heavy steering and pump noise.

Est. Repair Cost: £450–£900
Warning Signs:

Heavy steering, Whining pump, Fluid around the rack gaiters

What to Inspect:
  • Inspect the gaiters for wetness
  • Check the power steering reservoir level
  • Listen for groaning when parking
Verified by IsItAGoodCar Research Team

Rear Arch and Underbody Corrosion

ModerateBodywork & Rust

Rust commonly starts around the rear arches, sill ends and suspension mounting areas, especially on cars that have lived through many salty UK winters.

Est. Repair Cost: £300–£2,000
Warning Signs:

Bubbling paint on rear arches, Flaky underseal, Corrosion advisories near suspension mounts

What to Inspect:
  • Look behind arch liners where possible
  • Read MOT history for repeated corrosion notes
  • Inspect jacking points and rear subframe mounts
Verified by IsItAGoodCar Research Team

Buying Tips for 2009 Subaru Impreza Mk3 (GE/GH/GR)

  • ✓Avoid diesel models unless the history is outstanding
  • ✓Check the power steering fluid level
  • ✓Inspect the rear subframe for corrosion
20082010
Check a 2009 Subaru Impreza Mk3 (GE/GH/GR) by Registration