2004 Audi A6 2.5L Diesel · PIB 805
2004 Audi A6 (2.5L, diesel). First registered 18 Oct 2004. Recorded mileage 157,801 miles. MOT valid until 02 Sept 2027.
- Make & Model
- AUDI A6
- Year / Origin
- 2004 · Preston
- Safety Recall
- Unknown
- MOT Status
- Valid until 02 Sept 2027
- Road Tax
- —
- Recorded Mileage
- 157,801 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.5L
- 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.
PIB 805 Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 25/08/2026
- 157,801 miles recorded at latest MOT
- 1 historical MOT failure
- 4 defects noted at the latest MOT
- Recurring brakes items (8 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
PIB 805 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 2004 Audi A6 (PIB 805) between August 2023 and August 2026.
The record contains 4 passes and 1 failure.
The most recent test on 25 August 2026 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: Brakes (8 issues), Lighting (2 issues), Suspension (1 issue), Windscreen (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.
PIB 805 Mileage History
- 26/08/2023148,539 mi
- 26/08/2023148,539 mi
- 02/09/2024153,728 mi+5,189 mi
- 20/08/2025157,437 mi+3,709 mi
- 25/08/2026157,801 mi+364 mi
Average of roughly 3,089 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 Audi Audi A6 Mk2 (C5)
Our database tracks 6 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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AUDI A6 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2004 model year cars.
- Blocked Plenum DrainsSerious
Leaves and debris block the drains, leading to water entering the cabin and damaging the CCM.
- Front Multi-Link Suspension WearModerate
The C5 uses a sophisticated aluminium multi-link front suspension with eight control arms per side. Bushings harden and ball joints develop play, causing clunks and vague steering.
- Instrument Cluster Pixel FailureModerate
The dot-matrix LCD in the instrument cluster loses pixels column by column, making the trip computer, odometer and warnings unreadable.
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