Should I check the MOT history before buying a 2021 Vauxhall Astra?

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 Vauxhall Astra?

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 Vauxhall Astra?

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 Vauxhall Astra reliable?

Based on MOT data from 1,578 vehicles, the 2021 Vauxhall Astra has a first-time MOT pass rate of 91.9%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2021 Vauxhall Astra?

The most frequently recorded MOT issues on the 2021 Vauxhall Astra are: Rear Brake pad(s) wearing thin (27.3% of vehicles), Offside Front Tyre worn close to legal limit/worn on edge (24.1% of vehicles), Nearside Front Tyre worn close to legal limit/worn on edge (23.8% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2021 Vauxhall Astra?

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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Vauxhall Astra (2021)

1,578 real MOT outcomes analysed • 91.9% first-time pass rate

2021 Vauxhall Astra

CarHunch analysed 1,578 real MOT records for the 2021 Vauxhall Astra. 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 Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 Vauxhall Astra is a strong performer: its 91.9% first-time pass rate sits well clear of the UK average at 80%, and only 8.3% of vehicles have ever recorded a dangerous defect—a reassuringly low figure. This is a petrol-only cohort in the data, and there's no reliability red flag to speak of.

At just over 31,000 miles on average, these cars are still relatively young and lightly used, which explains the high pass rate and low failure count of 0.26 per vehicle. The 1.7 advisories per vehicle suggest minor wear items are beginning to emerge, but nothing serious; when shopping, grab an inspection report and focus on whether previous owners have kept up with servicing.

The 2021 Vauxhall Astra passes its MOT first time more often than most UK vehicles (91.9% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ About 1 in 12 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

91.9%

UK average ~80%

Better than average

Dangerous (ever)

8.3%

At least once in MOT history

Check this vehicle

Avg failures / car

0.26

Over 2.4 tests on record

Low

Typical mileage

30k

Middle half: 19k–42k

For context

✅ Good baseline reliability. A 91.9% 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 1,578 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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What tends to go wrong

Across 1,578 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Brake wear 27.3%

Rear Brake pad(s) wearing thin · Front Brake pad(s) wearing thin · Front Brake disc worn, pitted or scored, but not seriously weakened · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Tyre wear 24.1%

Offside Front Tyre worn close to legal limit/worn on edge · Nearside Front Tyre worn close to legal limit/worn on edge · Nearside Rear Tyre slightly damaged/cracking or perishing · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Other issues 7.1%

Nearside Rear Child Seat fitted not allowing full inspection of adult belt

Data covers a 3-year window centred on 2021.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 1,578 Vauxhall Astra cars.

Before you buy a 2021 Vauxhall Astra

Based on MOT data from 1,578 vehicles — here's what to check.

📋 Check the full MOT history. 8.3% 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 (99%)	1,568	91.9%	0.26

Colour Breakdown

Based on 2,112,703 Vauxhall Astra vehicles registered in the UK — across all years. From DVLA registration records.

Silver 25.6%

541,019

Blue 19.1%

403,232

Black 14.9%

314,671

Red 13%

274,291

White 11.4%

241,077

Grey 8%

169,569

Green 5.8%

122,270

Gold 0.9%

19,482

Beige 0.5%

11,615

Brown 0.3%

5,955

Yellow 0.2%

5,042

Turquoise 0.2%

4,480

Mileage Distribution

Most 2021 Vauxhall Astra 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.

30,447

typical

19,264

low mileage

42,223

high mileage

Half of all 2021 Vauxhall Astra vehicles fall between 19,264 and 42,223 miles.

Is the mileage you're seeing normal?

✓ Under 19,264 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.

✓ 19,264–42,223 miles — normal for age. This is where most 2021 Vauxhall Astras sit.

⚠ Over 57,001 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

0.26

Avg failures per vehicle

1.7

Avg advisories per vehicle

Other model years — Vauxhall Astra: All Astra years → Which year to buy? →

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