Should I check the MOT history before buying a 2021 BMW X6 M Competition 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 2021 BMW X6 M Competition 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 2021 BMW X6 M Competition 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 2021 BMW X6 M Competition Auto reliable?

Based on MOT data from 140 vehicles, the 2021 BMW X6 M Competition Auto has a first-time MOT pass rate of 92.3%, 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 BMW X6 M Competition 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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BMW X6 M Competition Auto (2021)

140 real MOT outcomes analysed • 92.3% first-time pass rate

2021 BMW X6 M Competition Auto

CarHunch analysed 140 real MOT records for the 2021 BMW X6 M Competition 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 Compare Models

The 2021 BMW X6 M Competition holds up well in MOT testing, with an 84.4% first-time pass rate that sits 4.4 percentage points above the UK average of 80%, suggesting these high-performance machines are being maintained reasonably well by their owners. The dangerous defect rate of 6.4% is modest and not a major concern, though it's worth noting on a car of this specification.

At 28,744 miles median, these vehicles are still relatively young and lightly used, which aligns with typical ownership patterns for a premium performance SUV. The low failure count of 0.21 per vehicle is reassuring, though the 0.9 advisories per vehicle suggests minor wear items and consumables are beginning to emerge—have any advisory items properly checked by a specialist BMW technician before purchase, as maintenance costs on this model can escalate quickly.

We have limited data for the 2021 BMW X6 M Competition 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

92.3%

UK average ~80%

Better than average

Dangerous (ever)

6.4%

At least once in MOT history

Check this vehicle

Avg failures / car

0.21

Over 2.2 tests on record

Low

Typical mileage

29k

Middle half: 21k–36k

For context

These stats describe 140 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 140 BMW X6 M Competition Auto cars.

Before you buy a 2021 BMW X6 M Competition Auto

Based on MOT data from 140 vehicles — here's what to check.

📋 Check the full MOT history. 6.4% 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 (99%)	139	92.3%	0.22

Mileage Distribution

Most 2021 BMW X6 M Competition 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.

28,744

typical

20,534

low mileage

35,521

high mileage

Half of all 2021 BMW X6 M Competition Auto vehicles fall between 20,534 and 35,521 miles.

Is the mileage you're seeing normal?

✓ Under 20,534 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.

✓ 20,534–35,521 miles — normal for age. This is where most 2021 BMW X6 M Competition Autos sit.

⚠ Over 47,953 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2021 BMW X6 M Competition Auto — Still on the Road

Almost all 2021 BMW X6 M Competition Autos are still on the road.

Strong survival — 111 vehicles still getting MOTs in 2025, 93% 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

2.2

Avg MOT tests per vehicle

0.21

Avg failures per vehicle

0.9

Avg advisories per vehicle

Compare with another model

See how the 2021 BMW X6 M Competition Auto stacks up against a rival.

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