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Audi A6 S Line 45 TFSI MHEV QUAT Sa Reliability, MOT Pass Rate & Common Faults

Free Audi A6 S Line 45 TFSI MHEV QUAT Sa car check

Is the Audi A6 S Line 45 TFSI MHEV QUAT Sa reliable? We analysed 517 real MOT tests across 225 vehicles to find out.

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Data last updated: · Based on 517 real MOT tests
MOT Pass Rate
92.8%
Typical Mileage
31,844mi
Annual Mileage
8,455mi/yr
Est. Lifespan
yrs

The Audi A6 S Line 45 TFSI MHEV QUAT Sa is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Audi A6 S Line 45 TFSI MHEV QUAT Sa.

Audi A6 S Line 45 TFSI MHEV QUAT Sa Number Plates

Number plates registered to a Audi A6 S Line 45 TFSI MHEV QUAT Sa. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A6 S Line 45 TFSI MHEV QUAT Sa MOT Pass Rate by Year

How likely is a Audi A6 S Line 45 TFSI MHEV QUAT Sa to pass its MOT? Here's the pass rate for each registration year, newest first.

95.3%
2022
93%
2021
90.8%
2020

Audi A6 S Line 45 TFSI MHEV QUAT Sa Common Faults & Problems

These are the most common serious faults found on Audi A6 S Line 45 TFSI MHEV QUAT Sa models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth below requirements of 1.6mm 11
Brake pad(s) less than 1.5 mm thick 4

Audi A6 S Line 45 TFSI MHEV QUAT Sa Mileage — What's Normal?

How many miles does a typical Audi A6 S Line 45 TFSI MHEV QUAT Sa owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,442 mi/yr
Typical
8,455 mi/yr
Average
9,547 mi/yr
Heavy usage
11,780 mi/yr

Audi A6 S Line 45 TFSI MHEV QUAT Sa MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Audi A6 S Line 45 TFSI MHEV QUAT Sa year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2022 107 95.3% 19,920 29,794 40,527
2021 271 93.0% 22,368 32,115 41,882
2020 98 90.8% 23,123 33,006 41,342

How Long Does a Audi A6 S Line 45 TFSI MHEV QUAT Sa Last?

Based on 225 Audi A6 S Line 45 TFSI MHEV QUAT Sa vehicles on UK roads.

Average
3.3 years
Median
3.0 years

Audi A6 S Line 45 TFSI MHEV QUAT Sa Mileage Distribution

Total mileage recorded across all Audi A6 S Line 45 TFSI MHEV QUAT Sa MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
31,844 mi
75th Percentile
42,232 mi
95th Percentile
62,064 mi
Max Recorded
130,696 mi

Best Year to Buy a Used Audi A6 S Line 45 TFSI MHEV QUAT Sa

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

Best year
2022

95.3% MOT pass rate from 107 tests

Year to avoid
2020

90.8% MOT pass rate from 98 tests

The best year to buy a used Audi A6 S Line 45 TFSI MHEV QUAT Sa is 2022, which has the highest MOT pass rate at 95.3% across 107 tests. The 2020 model year has the lowest pass rate at 90.8% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Audi A6 S Line 45 TFSI MHEV QUAT Sa Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Audi A6 S Line 45 TFSI MHEV QUAT Sa THIS CAR 92.8% 517 31,844 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
Moto Roma Uq 300 (quad Bike) 77.5% 530 898 mi 22 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A6 S Line 45 TFSI MHEV QUAT Sa outperforms both on MOT reliability.

Found a Audi A6 S Line 45 TFSI MHEV QUAT Sa you like?

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Should you buy a used Audi A6 S Line 45 TFSI MHEV QUAT Sa?

The Audi A6 S Line 45 TFSI MHEV QUAT Sa has an overall MOT pass rate of 92.8% across 517 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 A6 S Line 45 TFSI MHEV QUAT Sa 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 A6 S Line 45 TFSI MHEV QUAT Sa owner drives around 8,455 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 A6 S Line 45 TFSI MHEV QUAT Sa — Frequently Asked Questions

Is the Audi A6 S Line 45 TFSI MHEV QUAT Sa reliable?
Based on 517 MOT tests, the Audi A6 S Line 45 TFSI MHEV QUAT Sa has a 92.8% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi A6 S Line 45 TFSI MHEV QUAT Sa?
The most common failure point is general wear and tear.
How many miles does a Audi A6 S Line 45 TFSI MHEV QUAT Sa do per year?
The typical Audi A6 S Line 45 TFSI MHEV QUAT Sa does around 8,455 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A6 S Line 45 TFSI MHEV QUAT Sa last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A6 S Line 45 TFSI MHEV QUAT Sa?
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 A6 S Line 45 TFSI MHEV QUAT Sa?
Based on MOT pass rates, the best year to buy a used Audi A6 S Line 45 TFSI MHEV QUAT Sa is 2022 with a 95.3% pass rate across 107 tests.