IsItAGoodCar
Reliability Guide

Common Problems with the
2005 Mitsubishi Lancer Evolution VII-IX

The Evolution IX is widely considered the pinnacle of the 4G63 engine era. It introduced MIVEC variable valve timing, offering vastly improved mid-range torque and responsiveness, making it the most desirable of the VII-IX generation.

What changed for 2005

  • •Launch of the Evo IX featuring MIVEC (variable valve timing) on the 2.0-litre 4G63 engine.
  • •Subtle aerodynamic tweaks and improved interior trim.

Common MOT watch-outs

  • !Premature clutch wear, especially on cars with increased power outputs.
  • !Continued vulnerability to chassis corrosion and AYC pump failure.
3
Known Issues
2
Serious
0
Moderate
1
Minor

All Known Issues

AYC Pump Failure

SeriousGearbox & Transmission

The Active Yaw Control pump is exposed to the elements and frequently fails due to internal corrosion.

Est. Repair Cost: £600–£1,500
Warning Signs:

Three dash lights (Tarmac, Gravel, Snow) illuminated simultaneously, Buzzing noise from the rear, Lack of AWD traction

What to Inspect:
  • Check that the three ACD/AYC lights perform their startup sequence and go out
Verified by IsItAGoodCar Research Team

Chassis & Underbody Rust

SeriousBodywork & Rust

Many imports were not undersealed when they arrived in the UK, leading to severe structural rot.

Est. Repair Cost: £500–£3,000+
Warning Signs:

Visible rust on chassis rails, MOT failure for structural corrosion, Soft spots in the boot floor

What to Inspect:
  • Inspect the rear chassis legs and the area around the suspension mounts carefully
Verified by IsItAGoodCar Research Team

Lifter Tick

MinorEngine

Hydraulic lifters can become noisy, especially on cold starts, often due to oil choice or skipped changes.

Est. Repair Cost: £150–£400
Warning Signs:

Tapping/clicking noise from the top of the engine, Noise decreases as the engine warms up

What to Inspect:
  • Listen for a consistent tapping at idle when the engine is cold
Verified by IsItAGoodCar Research Team

Buying Tips for 2005 Mitsubishi Lancer Evolution VII-IX

  • The Evo IX is a prime collector's car; originality and a massive folder of receipts from recognized specialists (e.g., Auto Torque, CPP) are paramount.
  • Check the turbocharger for any 'whining' noises or blue smoke on boost, indicating failing seals.
20042006–2007
Check a 2005 Mitsubishi Lancer Evolution VII-IX by Registration