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Audi Q3 S Line 40 TDI QUATTRO S-a Reliability, MOT Pass Rate & Common Faults

Free Audi Q3 S Line 40 TDI QUATTRO S-a car check

Is the Audi Q3 S Line 40 TDI QUATTRO S-a reliable? We analysed 2,068 real MOT tests across 796 vehicles to find out.

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Data last updated: · Based on 2,068 real MOT tests
MOT Pass Rate
93.0%
Typical Mileage
32,692mi
Annual Mileage
8,335mi/yr
Est. Lifespan
yrs

The Audi Q3 S Line 40 TDI QUATTRO S-a is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Audi Q3 S Line 40 TDI QUATTRO S-a.

Audi Q3 S Line 40 TDI QUATTRO S-a Number Plates

Number plates registered to a Audi Q3 S Line 40 TDI QUATTRO S-a. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi Q3 S Line 40 TDI QUATTRO S-a MOT Pass Rate by Year

How likely is a Audi Q3 S Line 40 TDI QUATTRO S-a to pass its MOT? Here's the pass rate for each registration year, newest first.

94%
2022
92.1%
2021
93.1%
2020

Audi Q3 S Line 40 TDI QUATTRO S-a Common Faults & Problems

These are the most common serious faults found on Audi Q3 S Line 40 TDI QUATTRO S-a models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth below requirements of 1.6mm 12
Tyre has ply or cords exposed 8
Tyre has ply or cords exposed 7
Brake pad(s) less than 1.5 mm thick 7
Brake pad(s) less than 1.5 mm thick 5

Audi Q3 S Line 40 TDI QUATTRO S-a Mileage — What's Normal?

How many miles does a typical Audi Q3 S Line 40 TDI QUATTRO S-a owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,806 mi/yr
Typical
8,335 mi/yr
Average
9,094 mi/yr
Heavy usage
11,282 mi/yr

Audi Q3 S Line 40 TDI QUATTRO S-a MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Audi Q3 S Line 40 TDI QUATTRO S-a year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2022 265 94.0% 22,402 30,908 42,306
2021 777 92.1% 23,839 32,610 42,782
2020 898 93.1% 23,400 32,716 44,267

How Long Does a Audi Q3 S Line 40 TDI QUATTRO S-a Last?

Based on 796 Audi Q3 S Line 40 TDI QUATTRO S-a vehicles on UK roads.

Average
3.7 years
Median
4.0 years

Audi Q3 S Line 40 TDI QUATTRO S-a Mileage Distribution

Total mileage recorded across all Audi Q3 S Line 40 TDI QUATTRO S-a MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
32,692 mi
75th Percentile
43,876 mi
95th Percentile
65,506 mi
Max Recorded
150,683 mi

Best Year to Buy a Used Audi Q3 S Line 40 TDI QUATTRO S-a

Based on MOT pass rates across all registration years with sufficient test data.

Best year
2022

94.0% MOT pass rate from 265 tests

Year to avoid
2021

92.1% MOT pass rate from 777 tests

The best year to buy a used Audi Q3 S Line 40 TDI QUATTRO S-a is 2022, which has the highest MOT pass rate at 94.0% across 265 tests. The 2021 model year has the lowest pass rate at 92.1% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Audi Q3 S Line 40 TDI QUATTRO S-a Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Audi Q3 S Line 40 TDI QUATTRO S-a THIS CAR 93.0% 2,068 32,692 mi — yrs
Audi A3 78% 7,415,025 78,776 mi 29 yrs
Audi A4 76.1% 7,096,957 96,834 mi 31 yrs
Audi A6 78.4% 2,724,792 98,890 mi 31 yrs
Benelli Pepe 79.4% 642 5,791 mi 26 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi Q3 S Line 40 TDI QUATTRO S-a outperforms both on MOT reliability.

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Should you buy a used Audi Q3 S Line 40 TDI QUATTRO S-a?

The Audi Q3 S Line 40 TDI QUATTRO S-a has an overall MOT pass rate of 93.0% across 2,068 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Audi Q3 S Line 40 TDI QUATTRO S-a with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.

A typical Audi Q3 S Line 40 TDI QUATTRO S-a owner drives around 8,335 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Audi Q3 S Line 40 TDI QUATTRO S-a — Frequently Asked Questions

Is the Audi Q3 S Line 40 TDI QUATTRO S-a reliable?
Based on 2,068 MOT tests, the Audi Q3 S Line 40 TDI QUATTRO S-a has a 93.0% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi Q3 S Line 40 TDI QUATTRO S-a?
The most common failure point is general wear and tear.
How many miles does a Audi Q3 S Line 40 TDI QUATTRO S-a do per year?
The typical Audi Q3 S Line 40 TDI QUATTRO S-a does around 8,335 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi Q3 S Line 40 TDI QUATTRO S-a last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi Q3 S Line 40 TDI QUATTRO S-a?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Audi Q3 S Line 40 TDI QUATTRO S-a?
Based on MOT pass rates, the best year to buy a used Audi Q3 S Line 40 TDI QUATTRO S-a is 2022 with a 94.0% pass rate across 265 tests.