Reliability Guide

Common Problems with the
2011 Mitsubishi Lancer Evolution X

A mid-life update brought subtle interior improvements and a focus on the FQ-300 and FQ-330 models. By this point, the Evolution X had cemented its reputation as a highly capable, albeit less visceral, alternative to previous Evos.

What changed for 2011

  • Minor interior trim updates to improve perceived quality.
  • Range rationalised to focus on specific FQ power outputs.

Common MOT watch-outs

  • !Wear on brake components, particularly the expensive two-piece front discs on FQ models.
  • !Corrosion on the exhaust system and rear suspension components.
3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

AYC Pump Corrosion and Failure

SeriousElectrics & Electronics

The Active Yaw Control pump is mounted in a vulnerable position and corrodes badly on UK cars, bringing warning lights and expensive drivetrain-control faults.

Est. Repair Cost: £600–£1,500

SST Twin-Clutch Judder or Failure

SeriousGearbox & Transmission

SST cars are very sensitive to correct fluid and calibration; neglected boxes can judder, skip gears or fail outright with huge repair bills.

Est. Repair Cost: £1,500–£4,000

Rear Subframe and Underbody Corrosion

ModerateBodywork & Rust

Even specialist-owned Evo Xs can rust underneath in the UK, particularly around the rear subframe and suspension pick-up points.

Est. Repair Cost: £400–£2,000

Buying Tips for 2011 Mitsubishi Lancer Evolution X

  • The 5-speed manual gearbox is significantly more robust than the SST automatic; it is the preferred choice for enthusiasts.
  • Check the timing chain for stretching; unlike the old 4G63's belt, the 4B11T uses a chain that can stretch if oil changes are neglected.