Mazda Rx 8 (2006)
2006 Mazda Rx 8
CarHunch analysed 4,442 real MOT records for the 2006 Mazda Rx 8.
Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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The 2006 Mazda RX-8's first-time MOT pass rate of 74.8% trails the UK average by over 5 percentage points, signalling below-average reliability for its age. More concerning is that nearly a quarter of these cars (24.6%) have recorded a dangerous defect at some point, which is well above typical and should give any buyer pause.
At 46,342 miles median, these examples are reasonably low-mileage for 18-year-old cars, yet they're still averaging 3.2 failures and 12.7 advisories per test—suggesting age and the RX-8's complex rotary engine design are catching up with them. Before committing to one, get a full pre-purchase inspection focused on engine compression and cooling system integrity, as these are where RX-8s tend to disappoint.
The 2006 Mazda Rx 8 has a below-average first-time pass rate (74.8% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.
These stats describe 4,442 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.
What tends to go wrong
Across 4,442 vehicles — figures show how many had each issue flagged at least once in their MOT history.
Data covers a 3-year window centred on 2006.
See this vehicle's full MOT history & AI hunches
Spot recurring advisories, hidden issues, and how it compares to 4,442 Mazda Rx 8 cars.
Before you buy a 2006 Mazda Rx 8
Based on MOT data from 4,442 vehicles — here's what to check.
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Check the full MOT history.
24.6% of these vehicles have had a dangerous defect recorded -
recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle. -
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Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price.
Inspection
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Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically.
History
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (100%) | 4,440 | 74.8% | 3.2 |
Colour Breakdown
Based on 25,122 Mazda Rx 8 vehicles registered in the UK — across all years. From DVLA registration records.
Mileage Distribution
Most 2006 Mazda Rx 8 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2006 Mazda Rx 8 vehicles fall between 36,220 and 57,730 miles.
2006 Mazda Rx 8 — Still on the Road
Numbers are thinning — 13% of 2006 Mazda Rx 8s are still active.
Numbers are declining — 453 vehicles still getting MOTs in 2025 (13% of peak).
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.
MOT History Averages
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Compare with another model
See how the 2006 Mazda Rx 8 stacks up against a rival.