Toyota Avensis T3 S D 4d (2003)
2003 Toyota Avensis T3 S D 4d
CarHunch analysed 126 real MOT records for the 2003 Toyota Avensis T3 S D 4d. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2003 Avensis D-4D diesel has a first-time MOT pass rate of just 44.2%, well below the UK average of 80%, which signals serious reliability concerns for a buyer considering this model. The good news is that dangerous defects are absent from this cohort, so safety isn't the issue—instead, these cars are simply wearing out at a consistent rate.
With a median mileage of 175,077 miles for a 21-year-old car, these Avensis diesels have been well-used, and the average of 0.4 failures per vehicle suggests that when they do fail their MOT, it's typically one issue rather than cascade problems. Before buying one, get a full pre-purchase inspection focused on the fuel system and turbo reliability, as diesel engines this age often need significant work to pass emissions and roadworthiness tests.
What to check before buying a 2003 Toyota Avensis T3 S D 4d
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Toyota Avensis T3 S D 4d
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (99%) | 125 | 44.2% | 0.4 |
| Gas Bi-Fuel (1%) | 1 | 50% | 1 |
Mileage Distribution
Most 2003 Toyota Avensis T3 S D 4d vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2003 Toyota Avensis T3 S D 4d vehicles fall between 158,874 and 202,034 miles.
2003 Toyota Avensis T3 S D 4d — Still on the Road
Numbers are declining — 10 vehicles still getting MOTs in 2021 (16% of peak).
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2021.
MOT History Averages
Found a specific Toyota Avensis T3 S D 4d?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.