IsItAGoodCar
Reliability Guide

Common Problems with the
2009 Toyota Avensis Mk2 (T25)

The final year of the T25 saw the model quietly replaced by the T27. Late cars are generally well-specified but may have accumulated significant mileage, especially ex-fleet examples. The 2.2 diesel risk is at its highest on these later cars if maintenance has been neglected, so thorough inspection is essential.

What changed for 2009

  • •Final production year before the T27 redesign
  • •All models now include stability control as standard

Common MOT watch-outs

  • !Advanced corrosion on sills and rear arches on salt-belt cars
  • !Steering intermediate shaft wear becoming pronounced
3
Known Issues
1
Serious
1
Moderate
1
Minor

All Known Issues

2.2 D-4D / D-CAT Head Gasket and Oil Consumption

SeriousEngine

The 2.2-litre AD-series diesel is the big T25 hazard, with head-gasket failure, block erosion and heavy oil use all well known on neglected or unlucky cars.

Est. Repair Cost: £1,500–£4,000
Warning Signs:

Coolant loss, White smoke, Frequent oil top-ups

What to Inspect:
  • Check the coolant bottle for signs of pressure or contamination
  • Ask directly about oil consumption
  • Look for invoices for major engine work
Verified by IsItAGoodCar Research Team

Steering Column / Intermediate Shaft Knock

ModerateSteering

Some T25s develop a clonk or rattle through the steering column area on rough roads or when rocking the wheel at low speed.

Est. Repair Cost: £150–£700
Warning Signs:

Knock through steering wheel, Rattle over small bumps, Noise when turning at parking speed

What to Inspect:
  • Drive over broken surfaces at low speed
  • Gently rock the steering left-right when stationary
  • Ask if the intermediate shaft or column has been replaced
Verified by IsItAGoodCar Research Team

Boot and Rear Lamp Water Ingress

MinorBodywork & Rust

Ageing seals around the rear lights and boot area can let water into the luggage compartment, leading to damp trim and minor electrical niggles.

Est. Repair Cost: £0–£200
Warning Signs:

Wet boot carpet, Condensation in rear lamps, Musty smell

What to Inspect:
  • Lift the boot floor and side trim
  • Check around the rear light seals for dampness
Verified by IsItAGoodCar Research Team

Buying Tips for 2009 Toyota Avensis Mk2 (T25)

  • Late T25s are cheap for a reason — budget for potential diesel repairs if buying a 2.2
  • Check the boot and rear light area for damp, as seal deterioration is common by this age
2007–2008
Check a 2009 Toyota Avensis Mk2 (T25) by Registration