IsItAGoodCar
Reliability Guide

Common Problems with the
2018 Subaru Forester Mk5 (SK)

We've identified 1 known issue that can affect the 2018 Subaru Forester Mk5 (SK). None are considered critical, but they're worth knowing about before you buy.

1
Known Issues
0
Serious
1
Moderate
0
Minor

All Known Issues

Lineartronic CVT Hesitation or Judder

ModerateGearbox & Transmission

Later CVTs are generally better, but neglected fluid changes can still lead to shuddering, hesitation and expensive transmission diagnostics.

Est. Repair Cost: £300–£1,800
Warning Signs:

Shudder under light throttle, Delayed response pulling away, Transmission warning messages

What to Inspect:
  • Drive at low speed in traffic-like conditions
  • Check for smooth response on inclines
  • Look for documented CVT servicing rather than verbal assurances
Verified by IsItAGoodCar Research Team

Buying Tips for 2018 Subaru Forester Mk5 (SK)

  • ✓Check Eyesight warnings clear immediately and ask about any windscreen replacement, as calibration is expensive if done badly.
  • ✓e-Boxer cars should feel smooth in stop-start traffic; any hybrid or charging warning deserves investigation.
  • ✓A quiet CVT and evidence of fluid changes matter more than a glossy dealer stamp book alone.
2019
Check a 2018 Subaru Forester Mk5 (SK) by Registration