2015 Audi A1 1.6L Diesel · KN15 AAO
2015 Audi A1 (1.6L, diesel). First registered 27 Mar 2015. Recorded mileage 83,576 miles. MOT valid until 14 Apr 2027. Taxed until 01 May 2027.
- Make & Model
- AUDI A1
- Year / Origin
- 2015 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Valid until 14 Apr 2027
- Road Tax
- Taxed (01 May 2027)
- Recorded Mileage
- 83,576 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.6L
- Reliability Guide
- Common Faults
KN15 AAO Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 16/04/2026
- 83,576 miles recorded at latest MOT
- 2 historical MOT failures
- 1 defect noted at the latest MOT
- Recurring tyres items (8 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Digital Service History
Access verified franchised dealer maintenance records for KN15AAO.
Unlock Manufacturer Digital Service Records
Check franchised dealer maintenance history for KN15AAO. Our direct integration verifies routine service events, workshop operations, recorded mileage, and technician logs.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
Estimate current market value
Generate an instant valuation benchmark based on live market listings, vehicle mileage, and recent dealer auction figures.
KN15 AAO Mileage History
- 15/03/202476,720 mi
- 10/04/202580,647 mi+3,927 mi
- 11/04/202580,657 mi+10 mi
- 13/04/202683,558 mi+2,901 mi
- 16/04/202683,576 mi+18 mi
Average of roughly 3,286 miles per year across 5 recorded odometer readings.
KN15 AAO 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 2015 Audi A1 (KN15 AAO) between March 2024 and April 2026.
The record contains 3 passes and 2 failures.
The most recent test on 16 April 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (8 issues), Suspension (2 issues), Exhaust & Emissions (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 9 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 Tyre(s) of different sizes are fitted on the same axle. tyre fitted 205/40 17 (5.2.3 (b))”; “Nearside Rear Tyre tread depth below requirements of 1.6mm 215/40/17 (5.2.3 (e))”; “Offside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
This 2015 Audi A1 diesel warrants carefu
Given the engine MIL inoperative or indicates a malfunction failure recorded on 2026-04-13, request evidence of diagnostic work carried out and the specific fault code that was resolved. Diesel Audi A1s of this era are known for EGR valve and DPF issues, so verify the DPF has been properly maintained and that any engine management codes have been fully cleared. The tyre-related failures (mismatched sizes, worn edges, and structural bulges) suggest the previous owner may not have maintained the vehicle meticulously, so inspect all four tyres and budget for a full set if replacements are needed.
When viewing, pay particular attention to the front suspension components, as both 2025 advisories flagged worn anti-roll bar linkage ball joint dust covers and suspension arm pins or bushes. Ask the seller to provide any recent invoices for suspension work. Also confirm the exhaust bracket referenced in both 2025 tests has been properly repaired or replaced, as a broken bracket can lead to exhaust system damage if left unresolved. The combination of these issues across consecutive tests suggests the vehicle has been used on roads with poor surfaces or has simply reached an age where consumable components need attention.
The 1.6 TDI diesel engine typically returns around 70-80 mpg on longer runs, though urban driving will see this drop to 50-60 mpg. This engine falls into a relatively low road tax band for a diesel of its era, typically £20-£30 annually once the standard rate applies. Insurance for an Audi A1 is generally in groups 15-22 depending on specification, placing it in an affordable bracket for most drivers.
Annual maintenance costs for a diesel Audi A1 in this age bracket typically run £400-£700 for routine servicing, with additional costs for tyres, brakes, and suspension components. The MOT failures and advisories recorded here (suspension bushes, anti-roll bar links, tyres) are consistent with normal wear items for a vehicle of this age and mileage. Budget approximately £800-£1,100 annually for combined fuel, tax, insurance, and maintenance, though this will vary based on driving habits and annual mileage.
Start with a thorough inspection of the engine management system. The 2026-04-13 failure flagged an inoperative MIL or indicated malfunction, which could relate to emissions equipment, DPF, EGR valve, or sensor issues common on this diesel engine. Request that the seller demonstrate the engine management light functioning correctly and consider paying for an independent diagnostic scan (typically £30-£60) to check for stored fault codes. The 1.6 TDI unit is known for injector and turbo issues at higher mileages, so listen for any unusual engine noises and check for excessive smoke on startup.
Inspect all four tyres carefully, noting the 2026 failure highlighted mismatched tyre sizes on the front axle (205/40 17 versus the correct 215/40 17), structural bulges, and tread depth below 1.6mm. The vehicle should be fitted with matching tyres of the correct size as specified by Audi. Check the front suspension thoroughly, as the 2025 advisories noted worn anti-roll bar linkage dust covers and suspension arm pins or bushes on both sides. These are relatively inexpensive to replace but indicate the suspension is entering a phase where multiple components may need attention. Also verify the exhaust system is properly supported, as the broken bracket was flagged in both 2025 tests.
This KN15AAO Audi A1 is a 1.6 TDI diesel first registered in March 2015, now showing 83,576 miles across six recorded MOT tests. The vehicle has accumulated mileage above the model average of 6,787 miles per year, with recent MOT activity showing a failed test in April 2026 followed by a pass three days later after remedial work. The most recent failure included a malfunction indicator lamp (MIL) issue, which is a notable concern requiring investigation.
The Audi A1 has an MOT pass rate broadly in line with the segment average, with the most common failure points being suspension components like ball joints and anti-roll bar links, consistent with the advisories seen on this particular vehicle. Diesel variants of this age can experience higher-cost repairs related to emissions equipment, so factor this into any purchase decision.
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
Similar Vehicles
Similar Vehicles Checked Recently
Plate Neighbors
Batch Registration Neighbors (KN15 Series)
Vehicles registered in the same regional DVLA batch as KN15AAO.
SKODA
KODIAQ
AUDI
A1
AUDI
A6 SLINE BLACK ED TDI ULTRA SA
AUDI
A6
VAUXHALL
ASTRA TECH LINE CDTI EFLEX S/S
AUDI
A3 SPORT TDI S-A
AUDI
A3
CITROEN
C4
CITROEN
C4
CITROEN
C4
CITROEN
C4 CACTUS
CITROEN
C4
AUDI A1 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 2015 model year cars.
Regional DVLA Registration Directory
Vehicles and registration batches issued by regional DVLA offices across the UK.
Recently Checked UK Vehicles
Live vehicle history checks and MOT records recently queried by UK car buyers.