Should I check the MOT history before buying a 2021 Mazda Cx 5 Sport?

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 2021 Mazda Cx 5 Sport?

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 2021 Mazda Cx 5 Sport?

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 2021 Mazda Cx 5 Sport reliable?

Based on MOT data from 1,654 vehicles, the 2021 Mazda Cx 5 Sport has a first-time MOT pass rate of 92.5%, 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 2021 Mazda Cx 5 Sport?

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 5 Sport (2021)

1,654 real MOT outcomes analysed • 92.5% first-time pass rate

2021 Mazda Cx 5 Sport

CarHunch analysed 1,654 real MOT records for the 2021 Mazda Cx 5 Sport. 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 MOT Averages Colour Breakdown Compare Models

The 2021 Mazda CX-5 Sport is a reliably built vehicle, passing its MOT on the first attempt 92.1% of the time—comfortably ahead of the UK average of 80%. Dangerous defects are relatively uncommon at 7.7%, so structural or safety issues aren't a major concern for this cohort.

At just over 28,000 miles median, these cars are still relatively young and low-mileage, which partly explains the strong pass rate, though the low failure rate of 0.24 per vehicle shows genuine durability rather than simply being new. The average of 1.7 advisories suggests minor wear items (wipers, brake pads, fluid top-ups) are cropping up, but if you're considering one, a pre-purchase inspection focusing on suspension and brake condition will catch anything significant before you buy.

The 2021 Mazda Cx 5 Sport passes its MOT first time more often than most UK vehicles (92.5% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ 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

92.5%

UK average ~80%

Better than average

Dangerous (ever)

7.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.24

Over 2.4 tests on record

Low

Typical mileage

28k

Middle half: 21k–36k

For context

✅ Good baseline reliability. A 92.5% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 1.7 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 1,654 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 1,654 Mazda Cx 5 Sport cars.

Before you buy a 2021 Mazda Cx 5 Sport

Based on MOT data from 1,654 vehicles — here's what to check.

📋 Check the full MOT history. 7.7% 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 (97%)	1,606	92.3%	0.25

Colour Breakdown

Based on 3,237 Mazda Cx 5 Sport vehicles registered in the UK — across all years. From DVLA registration records.

Grey 28.2%

914

Red 26%

842

Blue 24.6%

795

Black 10.8%

348

White 8.9%

287

Silver 1.1%

Bronze 0.5%

Mileage Distribution

Most 2021 Mazda Cx 5 Sport 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.

28,062

typical

21,026

low mileage

35,562

high mileage

Half of all 2021 Mazda Cx 5 Sport vehicles fall between 21,026 and 35,562 miles.

Is the mileage you're seeing normal?

✓ Under 21,026 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.

✓ 21,026–35,562 miles — normal for age. This is where most 2021 Mazda Cx 5 Sports sit.

⚠ Over 48,008 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.4

Avg MOT tests per vehicle

0.24

Avg failures per vehicle

1.7

Avg advisories per vehicle

Other model years — Mazda Cx 5 Sport: All Cx 5 Sport years → Which year to buy? →

2020 2022

Or browse all models: Mazda →

Compare with another model

See how the 2021 Mazda Cx 5 Sport stacks up against a rival.

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