Should I check the MOT history before buying a 2021 BMW 320d Xdrive M Sport 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 2021 BMW 320d Xdrive M Sport 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 2021 BMW 320d Xdrive M Sport 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 2021 BMW 320d Xdrive M Sport MHEV Auto reliable?

Based on MOT data from 210 vehicles, the 2021 BMW 320d Xdrive M Sport MHEV Auto has a first-time MOT pass rate of 90.9%, 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 320d Xdrive M Sport 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.

CarHunch

Get Started

BMW 320d Xdrive M Sport MHEV Auto (2021)

210 real MOT outcomes analysed • 90.9% first-time pass rate

2021 BMW 320d Xdrive M Sport MHEV Auto

CarHunch analysed 210 real MOT records for the 2021 BMW 320d Xdrive M Sport MHEV Auto. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page

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 2021 BMW 320D is a notably reliable performer, with an 89.1% first-time pass rate that sits comfortably above the UK average of 80%, and only 14.3% of vehicles ever developing a dangerous defect—well below the threshold that would flag serious buyer concern. The mild hybrid diesel variant (which accounts for virtually all 210 cars tested) maintains consistent reliability at 88.5%, so fuel type isn't a differentiator here.

At 33,063 miles median, these cars are running within typical mileage for their age, and the low failure rate of 0.31 per vehicle suggests the powertrain and core mechanicals are holding up well. What you will encounter are minor advisory items (averaging 0.9 per test), typically wear-related consumables rather than structural problems—so budget for routine maintenance, but don't expect surprise repairs if you're buying one with service history.

We have limited data for the 2021 BMW 320d Xdrive M Sport MHEV Auto — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 8 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

90.9%

UK average ~80%

Better than average

Dangerous (ever)

14.3%

At least once in MOT history

Check this vehicle

Avg failures / car

0.31

Over 2.5 tests on record

Low

Typical mileage

33k

Middle half: 25k–43k

For context

These stats describe 210 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.

A solid choice — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 210 BMW 320d Xdrive M Sport MHEV Auto cars.

Before you buy a 2021 BMW 320d Xdrive M Sport MHEV Auto

Based on MOT data from 210 vehicles — here's what to check.

📋 Check the full MOT history. 14.3% 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
Electric Diesel (93%)	195	90.4%	0.33

Colour Breakdown

Based on 531 BMW 320d Xdrive M Sport MHEV Auto vehicles registered in the UK — across all years. From DVLA registration records.

Grey 29.4%

156

Blue 24.7%

131

White 23.5%

125

Black 21.3%

113

Orange 1.1%

Mileage Distribution

Most 2021 BMW 320d Xdrive M Sport 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.

33,063

typical

25,250

low mileage

43,106

high mileage

Half of all 2021 BMW 320d Xdrive M Sport MHEV Auto vehicles fall between 25,250 and 43,106 miles.

Is the mileage you're seeing normal?

✓ Under 25,250 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.

✓ 25,250–43,106 miles — normal for age. This is where most 2021 BMW 320d Xdrive M Sport MHEV Autos sit.

⚠ Over 58,193 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 320d Xdrive M Sport MHEV Auto — Still on the Road

Almost all 2021 BMW 320d Xdrive M Sport MHEV Autos are still on the road.

Strong survival — 198 vehicles still getting MOTs in 2025, 100% 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

2.5

Avg MOT tests per vehicle

0.31

Avg failures per vehicle

0.9

Avg advisories per vehicle

Other model years — BMW 320d Xdrive M Sport MHEV Auto: All 320d Xdrive M Sport MHEV Auto years → Which year to buy? →

2020 2022

Or browse all models: BMW →

Compare with another model

See how the 2021 BMW 320d Xdrive M Sport MHEV Auto stacks up against a rival.

A solid choice — agree?