Hybrid battery decline on very high-mileage cars
- Typically appears
- 150,000+ miles
- What to inspect
- Hybrid health check and state-of-charge behaviour

The hybrid Auris is a private-hire and family staple. Battery health and brake corrosion matter most.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2012–2018 Toyota Auris are Hybrid battery decline on very high-mileage cars, Rear brake corrosion because of regenerative braking and 12V auxiliary battery failure. Most reported issues are medium or low severity, but a pre-purchase inspection is still recommended. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the Toyota Auris.
Guidance only · reflects reported patterns, not a specific car's condition.
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
Hybrid battery decline on very high-mileage cars
Rear brake corrosion because of regenerative braking
12V auxiliary battery failure
Rear bushes and shock wear on high-mileage cars
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle · add photos and notes as you inspect. Try it free.
Check this exact carYes, ex-private-hire cars often run past 200,000 miles with the original battery.
Hybrid health check certificate plus a clean MOT record.
Poor cosmetic condition, not mechanical failure.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.