Toyota Common Problems & Known Faults

How reliable are Toyota cars?

Our database covers 28 Toyota models and 165 documented faults across the range. Of these, 33 are classified as dangerous and a further 91 as major. Dangerous faults are those that can compromise vehicle safety or lead to complete mechanical failure if left unaddressed.

According to DVSA MOT test data, Toyota models fail at an average rate of 22.5%, roughly in line with the 22.7% average across all manufacturers we track. Reliability varies considerably between models. The Gt86 is the strongest performer at just 11.9%, while the Surf has the highest failure rate at 34.3%.

If you are considering a used Toyota, researching the specific model and generation you are looking at makes a real difference. The most common failure areas across the range are suspension and brakes, though each model has its own particular weak points. This page gives you a complete breakdown by severity, the models affected, and what repairs typically cost at UK garages.

Toyota reliability summary

Where Toyota problems occur

Understanding which systems are most prone to failure helps you focus during a test drive or pre-purchase inspection. Here is how Toyota's 165 known issues break down by area.

Suspension problems dominate, accounting for 47 of the 165 faults we track (28%). Issues in this area include Lower suspension arm ball joint wear and Front suspension dust cover deterioration. The most affected models are the Dyna (3), the Hilux (3), the Land Cruiser (3).

Brakes is the next most common area, with 25 documented faults (15%). Common faults here include Brake pad wear (heavy vehicle loading) and Brake pipe corrosion (E150). The most affected models are the Auris (2), the Avensis (2), the Mr2 (2).

We also track 25 body & rust faults across the range (15%). Problems to watch for include Power sliding door motor failure and Subframe corrosion and structural weakness (E150). The most affected models are the Hiace (2), the IQ (2), the Lucida (2).

Engine rounds out the top problem areas with 17 known issues (10%). Notable issues include Petrol engine emissions system failures (T220/T250/T270) and Excessive blue or black smoke emission (XP10/XP20). The most affected models are the Aygo (2), the Gt86 (2), the Previa (2).

Known Toyota faults by severity

Every fault in our database is rated by severity based on its potential safety impact and typical repair cost. Below is a sample of issues at each level, with links to the affected model pages where you can read the full details.

Top issues across the Toyota range

The most common and severe problems found across all Toyota models, ranked by severity and how many models are affected.

Problems by Toyota model

We track faults across 28 Toyota models. Each model page includes every known issue, generation-specific details, UK repair costs, and MOT failure data. Select a model below to see its full breakdown.

What to check before buying a used Toyota

Every used Toyota deserves a thorough inspection, but knowing the common weak points for your target model gives you a serious advantage. Since suspension faults are the most common across the range, pay particular attention to this area during any viewing or test drive.

The 33 dangerous-rated faults deserve special attention. These include Subframe corrosion and structural weakness (E150), Brake pipe corrosion (E150), Brake pipe corrosion (T220/T250/T270). Any of these can compromise safety or result in repair bills running well into the thousands.

A complete dealer service history is one of the strongest indicators of how well a Toyota has been looked after. Many of the faults on this page are preventable or can be caught early through regular servicing. If the seller cannot produce service records, treat that as a significant red flag.

Check the MOT history carefully too. With a 22.5% average failure rate across the Toyota range, some advisories and minor failures are normal over the life of any car. What matters is the pattern: recurring failures in the same area suggest an underlying problem, while a history of clean passes is encouraging.

Toyota repair costs: what to expect

Across all documented faults, the average Toyota repair costs between £360 and £797 at an independent garage. At the top end, the most expensive single repair can reach £5,000 or more. Main dealer rates are typically 30% to 50% higher across the board.

The single most expensive Toyota repair in our database is Subframe mounting point corrosion (A80), which can cost £4,000–£8,000 at a main dealer.

These figures are based on reported UK repair costs and serve as a guide. Actual prices will vary depending on your location, the garage, and the parts required. Getting quotes from two or three specialists before committing to any major work is always worthwhile.