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Audi Q3 S Line 45 TFSI QUATTRO S-a Reliability, MOT Pass Rate & Common Faults

Free Audi Q3 S Line 45 TFSI QUATTRO S-a car check

Is the Audi Q3 S Line 45 TFSI QUATTRO S-a reliable? We analysed 2,846 real MOT tests across 814 vehicles to find out.

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Data last updated: · Based on 2,846 real MOT tests
MOT Pass Rate
93.5%
Typical Mileage
27,846mi
Annual Mileage
6,925mi/yr
Est. Lifespan
yrs

The Audi Q3 S Line 45 TFSI 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 45 TFSI QUATTRO S-a.

Audi Q3 S Line 45 TFSI QUATTRO S-a Number Plates

Number plates registered to a Audi Q3 S Line 45 TFSI 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 45 TFSI QUATTRO S-a MOT Pass Rate by Year

How likely is a Audi Q3 S Line 45 TFSI QUATTRO S-a to pass its MOT? Here's the pass rate for each registration year, newest first.

93.5%
2022
93.9%
2021
93.9%
2020
92.4%
2019

Audi Q3 S Line 45 TFSI QUATTRO S-a Common Faults & Problems

These are the most common serious faults found on Audi Q3 S Line 45 TFSI 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 30
Brake pad(s) less than 1.5 mm thick 20
Tyre has ply or cords exposed 6
Brake pad(s) less than 1.5 mm thick 5

Audi Q3 S Line 45 TFSI QUATTRO S-a Mileage — What's Normal?

How many miles does a typical Audi Q3 S Line 45 TFSI 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
4,601 mi/yr
Typical
6,925 mi/yr
Average
7,702 mi/yr
Heavy usage
9,557 mi/yr

Audi Q3 S Line 45 TFSI 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 45 TFSI QUATTRO S-a year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2022 139 93.5% 16,845 23,536 30,572
2021 214 93.9% 20,169 28,468 35,872
2020 1,683 93.9% 19,372 27,834 38,444
2019 761 92.4% 20,490 29,095 39,980

How Long Does a Audi Q3 S Line 45 TFSI QUATTRO S-a Last?

Based on 814 Audi Q3 S Line 45 TFSI QUATTRO S-a vehicles on UK roads.

Average
4.5 years
Median
5.0 years

Audi Q3 S Line 45 TFSI QUATTRO S-a Mileage Distribution

Total mileage recorded across all Audi Q3 S Line 45 TFSI 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
27,846 mi
75th Percentile
38,445 mi
95th Percentile
56,711 mi
Max Recorded
137,191 mi

Best Year to Buy a Used Audi Q3 S Line 45 TFSI QUATTRO S-a

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

Best year
2020

93.9% MOT pass rate from 1,683 tests

Year to avoid
2019

92.4% MOT pass rate from 761 tests

The best year to buy a used Audi Q3 S Line 45 TFSI QUATTRO S-a is 2020, which has the highest MOT pass rate at 93.9% across 1,683 tests. The 2019 model year has the lowest pass rate at 92.4% — 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 45 TFSI 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 45 TFSI QUATTRO S-a THIS CAR 93.5% 2,846 27,846 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
BMW 318D M Sport 82.2% 2,445 102,260 mi — yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi Q3 S Line 45 TFSI QUATTRO S-a outperforms both on MOT reliability.

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Should you buy a used Audi Q3 S Line 45 TFSI QUATTRO S-a?

The Audi Q3 S Line 45 TFSI QUATTRO S-a has an overall MOT pass rate of 93.5% across 2,846 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 45 TFSI 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 45 TFSI QUATTRO S-a owner drives around 6,925 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 45 TFSI QUATTRO S-a — Frequently Asked Questions

Is the Audi Q3 S Line 45 TFSI QUATTRO S-a reliable?
Based on 2,846 MOT tests, the Audi Q3 S Line 45 TFSI QUATTRO S-a has a 93.5% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi Q3 S Line 45 TFSI QUATTRO S-a?
The most common failure point is general wear and tear.
How many miles does a Audi Q3 S Line 45 TFSI QUATTRO S-a do per year?
The typical Audi Q3 S Line 45 TFSI QUATTRO S-a does around 6,925 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi Q3 S Line 45 TFSI 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 45 TFSI 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 45 TFSI QUATTRO S-a?
Based on MOT pass rates, the best year to buy a used Audi Q3 S Line 45 TFSI QUATTRO S-a is 2020 with a 93.9% pass rate across 1,683 tests.