Should I check the MOT history before buying a 2015 Ajs Firefox?

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 2015 Ajs Firefox?

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 2015 Ajs Firefox?

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 2015 Ajs Firefox reliable?

Based on MOT data from 112 vehicles, the 2015 Ajs Firefox has a first-time MOT pass rate of 76.6%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2015 Ajs Firefox?

The most frequently recorded MOT issues on the 2015 Ajs Firefox are: Rear Tyre worn close to the legal limit (17.1% of vehicles), All direction indicators flashing more than 120 times a minute (11.4% of vehicles), Rear Brake indicates slight fluctuation of brake effort (10.6% 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 2015 Ajs Firefox?

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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Ajs Firefox (2015)

112 real MOT outcomes analysed • 76.6% first-time pass rate

2015 Ajs Firefox

CarHunch analysed 112 real MOT records for the 2015 Ajs Firefox. 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 Still on the Road MOT Averages Compare Models

The 2015 AJS Firefox is significantly less reliable than the UK average: just 47.7% pass first time, compared to 80% nationwide. With 13.4% of vehicles ever developing dangerous defects, this is a genuine buyer concern that warrants a pre-purchase inspection by a specialist.

These low mileage machines (7,859 miles average) should be easier to keep roadworthy, yet they're still failing at high rates—suggesting design or build quality issues rather than age-related wear. At 0.61 failures and 1.7 advisories per vehicle on average, expect regular remedial work; get a full MOT history report before committing, and budget for repairs beyond the obvious.

We have limited data for the 2015 Ajs Firefox — 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

76.6%

UK average ~80%

Around average

Dangerous (ever)

13.4%

At least once in MOT history

Check this vehicle

Avg failures / car

0.61

Over 2.5 tests on record

Moderate

Typical mileage

Middle half: 5k–10k

For context

These stats describe 112 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.

Average reliability — agree?

What tends to go wrong

Across 112 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 17.1%

Rear Tyre worn close to the legal limit · Front Tyre worn close to the legal limit

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

Lighting 11.4%

All direction indicators flashing more than 120 times a minute · Headlamp not working on dipped beam · Headlamp not working on main beam · …

Usually cheap to fix. Worth confirming all lights work before collecting.

Brake wear 10.6%

Rear Brake indicates slight fluctuation of brake effort · Front Brake indicates slight fluctuation of brake effort · Roller brake test The less effective brake control does not achieve an efficiency of 25% · …

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

Suspension & steering 7.3%

Offside Front Shock absorber has a light misting of oil · Nearside Front Shock absorber has a light misting of oil · Steering headbearing has slight free play · …

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Exhaust & emissions 4.9%

Exhaust has a major leak of exhaust gases

Data covers a 3-year window centred on 2015.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 112 Ajs Firefox cars.

Before you buy a 2015 Ajs Firefox

Based on MOT data from 112 vehicles — here's what to check.

📋 Check the full MOT history. 13.4% 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%)	111	77%	0.59

Mileage Distribution

Most 2015 Ajs Firefox 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.

7,469

typical

4,812

low mileage

9,681

high mileage

Half of all 2015 Ajs Firefox vehicles fall between 4,812 and 9,681 miles.

Is the mileage you're seeing normal?

✓ Under 4,812 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.

✓ 4,812–9,681 miles — normal for age. This is where most 2015 Ajs Firefoxs sit.

⚠ Over 13,069 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2015 Ajs Firefox — Still on the Road

Numbers are thinning — 31% of 2015 Ajs Firefoxs are still active.

Numbers are declining — 14 vehicles still getting MOTs in 2023 (31% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2018–2023.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

2.5

Avg MOT tests per vehicle

0.61

Avg failures per vehicle

1.7

Avg advisories per vehicle

Other model years — Ajs Firefox: All Firefox years → Which year to buy? →

2016 2017 2018 2019 2020

Or browse all models: Ajs →

Compare with another model

See how the 2015 Ajs Firefox stacks up against a rival.

Average reliability — agree?