2012 Mazda 3 1.6L Diesel · VK12 ACJ
2012 Mazda 3 (1.6L, diesel). First registered 01 Mar 2012. Recorded mileage 89,073 miles. MOT expired on 07 Mar 2026. Currently declared SORN.
- Make & Model
- MAZDA 3
- Year / Origin
- 2012 · Worcester
- Safety Recall
- Unknown
- MOT Status
- Expired on 07 Mar 2026
- Road Tax
- SORN
- Recorded Mileage
- 89,073 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- DIESEL · 1.6L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
VK12 ACJ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 06/03/2025
- 89,073 miles recorded at latest MOT
- 1 historical MOT failure
- 3 defects noted at the latest MOT
- Recurring tyres items (6 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
VK12 ACJ MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2012 Mazda 3 (VK12 ACJ) between March 2022 and March 2025.
The record contains 4 passes and 1 failure.
The most recent test on 06 March 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (6 issues), Suspension (2 issues), Brakes (2 issues), Bodywork (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 10 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Nearside Front Outer Tyre has a cut in excess of the requirements deep enough to reach the ply or cords SIDEWALL (5.2.3 ”.
VK12 ACJ Mileage History
- 04/03/202269,176 mi
- 28/02/202375,314 mi+6,138 mi
- 28/02/202375,314 mi
- 23/02/202482,042 mi+6,728 mi
- 06/03/202589,073 mi+7,031 mi
Average of roughly 6,618 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mazda Mazda 3 (BL)
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Digital Service History
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Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
A solid mid-range diesel for high-mileage commuters, but the history reveals a pattern of deferred maintenance on brakes and suspension. It is a sensible buy if the recent mechanical concerns have been addressed.
When inspecting this Mazda, prioritize a check of the suspension undercarriage. The MOT history shows multiple failures regarding ball joints and anti-roll bar bushes, suggesting these are common wear points for this specific car. Ensure there is a full service history, as the 1.6L diesel engine requires consistent oil changes to prevent diesel particulate filter (DPF) issues.
Check the condition of the tyres thoroughly; the most recent MOT noted three tyres being close to the legal limit and worn on edges, which could indicate an alignment issue or simply a lack of proactive replacement. Negotiate downwards if the brakes have not been fully serviced recently, as this car has a history of 'dangerous' failures related to thin pads and fractured discs.
The 1.6cc diesel engine is designed for efficiency, likely delivering between 50-60 MPG on mixed routes. Tax for this year and engine size is generally relatively low, and insurance typically falls in a mid-range bracket (Group 18-22).
Maintenance costs for the Mazda 3 are average, though you should budget for regular replacement of suspension components and brake parts given the recorded history. An estimated annual running cost, including fuel, tax, insurance, and basic servicing, is between £1,100 and £1,400.
Pay close attention to the braking system. This car has failed with a fractured disc and thin pads on multiple occasions; check for any vibration in the steering when braking and ensure the pads have significant life. Also, test the front suspension for knocks or creaks, as the history shows repeated issues with ball joints.
Examine the tyres for uneven wear. The recent MOT advisories mention wear on the edges across multiple tyres, which may suggest the car needs a professional wheel alignment. Check the underbody seal for corrosion, as an advisory was noted for this in 2024.
This 2012 Mazda 3 features a 1.6L diesel engine and sits at approximately 89,000 miles, which is below the national average for its age. While it has passed its most recent MOT, the history shows recurring issues with brake pads, discs, and suspension components like ball joints. The vehicle appears to have been used regularly but suffered from owners who sometimes only addressed faults once they failed a test.
The 1.6 diesel Mazda 3 is generally robust but is sensitive to DPF clogging if used primarily for short city trips.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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MAZDA 3 Model Intelligence & Reliability
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Historical MOT pass rates and DVLA records for 2012 model year cars.
- 2.2 MZR-CD Diesel Timing Chain Stretch and WearSerious
The 2.2-litre MZR-CD turbodiesel engine utilizes a single timing chain that is prone to premature wear and elongation. The problem is severely exacerbated by engine oil dilution caused by uncompleted DPF regeneration cycles, where unburnt diesel fuel washes down the cylinder bores into the sump and thins the lubricating oil. Mazda's engine management system actively measures camshaft-to-crankshaft synchronisation; when chain elongation exceeds 10.45 degrees of crankshaft rotation, the ECU illuminates the DPF warning light in a flashing sequence and logs diagnostic trouble code P0168. If ignored, the chain can jump teeth or snap, resulting in catastrophic piston-to-valve collision.
- Variable Plastic Intake Manifold Runner Shutter Flap RattleModerate
Naturally aspirated 1.6-litre and 2.0-litre MZR petrol engines feature a variable-length composite plastic intake manifold equipped with internal tumble/shutter swirl flaps. Over time, engine oil fumes, thermal cycling, and high mileage wear out the plastic bushings supporting the flap operating rod. As the clearance widens, the shutter valves vibrate violently in the incoming airflow, generating a persistent diesel-like tapping or ticking noise from the top of the engine that is often mistaken for worn valve lifters. In severe cases, the plastic flaps can fragment and risk being ingested into the cylinder head, leading owners to fit a replacement manifold or remove the flaps.
- ABS Hydraulic Modulator Pump Valve Failure and Sticking CalipersModerate
The second-generation Mazda 3 frequently experiences internal valve failure within the hydraulic ABS modulator pump unit. Moisture accumulation in neglected brake fluid leads to internal corrosion of the miniature solenoid valves, causing the ABS and DSC traction control warning lights to illuminate permanently, which constitutes an immediate MOT failure in the UK. Concurrently, sliding guide pins on the single-piston rear brake calipers are prone to seizing inside their rubber boots due to British road grit and salt. The seized caliper causes brake drag, overheating the rear discs, destroying the friction pads, and increasing fuel consumption.
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