Should I check the MOT history before buying a 2020 Mazda Cx 30 SE L Lux MHEV Auto?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2020 Mazda Cx 30 SE L Lux MHEV Auto?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2020 Mazda Cx 30 SE L Lux MHEV Auto?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2020 Mazda Cx 30 SE L Lux MHEV Auto reliable?

Based on MOT data from 282 vehicles, the 2020 Mazda Cx 30 SE L Lux MHEV Auto has a first-time MOT pass rate of 94.2%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2020 Mazda Cx 30 SE L Lux MHEV Auto?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Mazda Cx 30 SE L Lux MHEV Auto (2020)

282 real MOT outcomes analysed • 94.2% first-time pass rate

2020 Mazda Cx 30 SE L Lux MHEV Auto

CarHunch analysed 282 real MOT records for the 2020 Mazda Cx 30 SE L Lux MHEV Auto. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

This 2020 Mazda CX-30 is a genuinely reliable proposition, passing its first MOT 93.9% of the time versus the UK average of 80%—a 14-point margin that puts it in the stronger half of the market. Only 5.3% have ever recorded a dangerous defect, which is reassuringly low and well below the threshold that would raise buyer concerns.

At just over 23,000 miles median, these cars are relatively lightly used for their age, which explains the low failure rate of 0.24 per vehicle and modest advisory count of 2.4. When you inspect one, you're looking at a car that typically needs only routine maintenance rather than corrective work—so focus your pre-purchase check on the service history and any signs of hard driving rather than structural or safety worries.

We have limited data for the 2020 Mazda Cx 30 SE L Lux MHEV Auto — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 20 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

94.2%

UK average ~80%

Better than average

Dangerous (ever)

5.3%

At least once in MOT history

Check this vehicle

Avg failures / car

0.24

Over 3.3 tests on record

Low

Typical mileage

23k

Middle half: 17k–32k

For context

These stats describe 282 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.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 282 Mazda Cx 30 SE L Lux MHEV Auto cars.

Before you buy a 2020 Mazda Cx 30 SE L Lux MHEV Auto

Based on MOT data from 282 vehicles — here's what to check.

📋 Check the full MOT history. 5.3% 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.
🔍 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 →
📄 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 Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (96%)	271	94.2%	0.25

Colour Breakdown

Based on 1,531 Mazda Cx 30 SE L Lux MHEV Auto vehicles registered in the UK — across all years. From DVLA registration records.

Grey 28.7%

440

Red 26.3%

403

Blue 14.8%

226

White 12.8%

196

Black 9.6%

147

Silver 7.8%

119

Mileage Distribution

Most 2020 Mazda Cx 30 SE L Lux MHEV Auto 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.

23,114

typical

17,323

low mileage

31,723

high mileage

Half of all 2020 Mazda Cx 30 SE L Lux MHEV Auto vehicles fall between 17,323 and 31,723 miles.

Is the mileage you're seeing normal?

✓ Under 17,323 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 17,323–31,723 miles — normal for age. This is where most 2020 Mazda Cx 30 SE L Lux MHEV Autos sit.

⚠ Over 42,826 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Mazda Cx 30 SE L Lux MHEV Auto — Still on the Road

Almost all 2020 Mazda Cx 30 SE L Lux MHEV Autos are still on the road.

Strong survival — 271 vehicles still getting MOTs in 2025, 98% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

3.3

Avg MOT tests per vehicle

0.24

Avg failures per vehicle

2.4

Avg advisories per vehicle

Other model years — Mazda Cx 30 SE L Lux MHEV Auto: All Cx 30 SE L Lux MHEV Auto years → Which year to buy? →

2021 2022 2023

Or browse all models: Mazda →

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See how the 2020 Mazda Cx 30 SE L Lux MHEV Auto stacks up against a rival.

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