Mazda Cx 30 GT Sport MHEV 4x4 (2021)
2021 Mazda Cx 30 GT Sport MHEV 4x4
CarHunch analysed 171 real MOT records for the 2021 Mazda Cx 30 GT Sport MHEV 4x4. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2021 Mazda CX-30 hybrid is significantly more reliable than average, with a 93.4% first-time MOT pass rate well above the UK's 80% benchmark. Only 5.3% have ever recorded a dangerous defect, which is reassuringly low and suggests buyers needn't worry about hidden structural or safety issues.
At 25,761 miles average, these vehicles are lightly used for their age, and the numbers confirm it: owners are averaging just 0.2 failures per test, with minor advisories (1.9 per vehicle) being the norm rather than serious faults. When shopping for one, have any pre-purchase inspection focus on the hybrid battery and electrical systems, since these account for most real-world running costs on this model.
What to check before buying a 2021 Mazda Cx 30 GT Sport MHEV 4x4
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 Mazda Cx 30 GT Sport MHEV 4x4
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 |
|---|---|---|---|
| Petrol (99%) | 169 | 93.4% | 0.2 |
| Other (1%) | 1 | 100% | 0 |
| Hybrid Electric (Clean) (1%) | 1 | 100% | 0 |
Mileage Distribution
Most 2021 Mazda Cx 30 GT Sport MHEV 4x4 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 2021 Mazda Cx 30 GT Sport MHEV 4x4 vehicles fall between 18,131 and 31,899 miles.
MOT History Averages
Found a specific Mazda Cx 30 GT Sport MHEV 4x4?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.
Other model years — Mazda Cx 30 GT Sport MHEV 4x4: