Should I check the MOT history before buying a 2018 Sym Av?

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 2018 Sym Av?

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 2018 Sym Av?

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.

Do I need an HPI check when buying a 2018 Sym Av?

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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Sym Av (2018)

138 real MOT outcomes analysed • 88.8% first-time pass rate

2018 Sym Av

CarHunch analysed 138 real MOT records for the 2018 Sym Av. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

Average reliability 8.8% above UK average

88.8%

pass MOT first time

UK average: ~80%

8,068

typical mileage

4,808–11,737 middle half

18.1%

ever had a dangerous defect

recorded at any MOT

0.43

avg MOT failures per car

over 3.2 tests on record

What to check before buying a 2018 Sym Av

Practical pre-purchase checks for this age and model.

📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Sym Av

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

Inspection

Have a qualified mechanic check this car before you commit to buying →

CarHunch may earn a small commission if you buy via these links — at no extra cost to you.

Mileage Distribution

Most 2018 Sym Av vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

4,808

low mileage

8,068

typical

11,737

high mileage

Half of all 2018 Sym Av vehicles fall between 4,808 and 11,737 miles.

2018 Sym Av — Still on the Road

Numbers are declining — 42 vehicles still getting MOTs in 2025 (38% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2021–2025.

MOT History Averages

3.2

Avg MOT tests per vehicle

0.43

Avg failures per vehicle

1.6

Avg advisories per vehicle

Most Common MOT Issues — 2018 Sym Av

Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.

28.4%

Rear Tyre worn close to the legal limit
18.5%

Front Brake pad(s) close to minimum limit
15.2%

Rear Brake lever is bent but brake can still be readily applied
14.7%

Rear Brake lever is short but brake can still be readily applied
13.8%

COVID-19 6 MONTH EXTENSION
13.2%

Headlamp aim too low
11.7%

Front Tyre worn close to the legal limit
10.3%

Exhaust has a minor leak of exhaust gases

Data covers a 3-year window centred on 2018. Counts include advisories and failures.

Found a specific Sym Av?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

Other model years — Sym Av:

2015 2016 2017