Audi A1 S Line TFSI (2015)

138 real MOT outcomes analysed • 65% first-time pass rate

2015 Audi A1 S Line TFSI

CarHunch analysed 138 real MOT records for the 2015 Audi A1 S Line TFSI. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2015 Audi A1 S Line TFSI is a below-average MOT performer: its 65% first-time pass rate sits well short of the UK's 80%, suggesting roughly one in three owners will face an unexpected repair bill at test time. The good news is that dangerous defects are absent from this sample, and there have been no recorded advisories—indicating that when failures do occur, they're generally minor or non-safety issues.

At around 50,000 miles for a nine-year-old car, these vehicles are showing typical wear for their age, and the low failure count (0.22 per car) means most problems aren't piling up. Before buying one, have a pre-purchase inspection focus on the specific weak points that caused failures in this cohort—likely suspension, emissions, or brake components—rather than assuming it's mechanically sound just because it looks clean.

Below average reliability 15% below UK average
65%
pass MOT first time
UK average: ~80%
52,165
typical mileage
41,450–64,875 middle half
0%
ever had a dangerous defect
recorded at any MOT
0.22
avg MOT failures per car
over 3.4 tests on record

What to check before buying a 2015 Audi A1 S Line TFSI

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 Audi A1 S Line TFSI

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

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Other (68%) 94 94.3% 0.32
Petrol (32%) 44 2.3% 0

Mileage Distribution

Most 2015 Audi A1 S Line TFSI 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.

41,450
low mileage
52,165
typical
64,875
high mileage

Half of all 2015 Audi A1 S Line TFSI vehicles fall between 41,450 and 64,875 miles.

2015 Audi A1 S Line TFSI — Still on the Road

Strong survival — 84 vehicles still getting MOTs in 2025, 100% of the peak.

62 84 2019 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2019–2025.

MOT History Averages

3.4
Avg MOT tests per vehicle
0.22
Avg failures per vehicle
0
Avg advisories per vehicle

Found a specific Audi A1 S Line TFSI?

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

UK

Other model years — Audi A1 S Line TFSI:

2016 2017