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Audi A6 SE TDI Ultra S-a Reliability, MOT Pass Rate & Common Faults

Free Audi A6 SE TDI Ultra S-a car check

Is the Audi A6 SE TDI Ultra S-a reliable? We analysed 825 real MOT tests across 203 vehicles to find out.

Got a specific Audi A6 SE TDI Ultra S-a? Enter the reg for a free check:

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Data last updated: · Based on 825 real MOT tests
MOT Pass Rate
89.7%
Typical Mileage
90,564mi
Annual Mileage
10,213mi/yr
Est. Lifespan
yrs

The Audi A6 SE TDI Ultra 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 A6 SE TDI Ultra S-a.

Audi A6 SE TDI Ultra S-a Number Plates

Number plates registered to a Audi A6 SE TDI Ultra S-a. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A6 SE TDI Ultra S-a Mileage — What's Normal?

How many miles does a typical Audi A6 SE TDI Ultra 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
6,890 mi/yr
Typical
10,213 mi/yr
Average
11,018 mi/yr
Heavy usage
13,254 mi/yr

Audi A6 SE TDI Ultra S-a Mileage Distribution

Total mileage recorded across all Audi A6 SE TDI Ultra S-a MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
90,564 mi
75th Percentile
115,506 mi
95th Percentile
159,500 mi
Max Recorded
442,260 mi

How Does the Audi A6 SE TDI Ultra 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 A6 SE TDI Ultra S-a THIS CAR 89.7% 825 90,564 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
Lexmoto Aura 125 Lj 125 T-18 80.8% 1,277 8,872 mi — yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A6 SE TDI Ultra S-a outperforms both on MOT reliability.

Found a Audi A6 SE TDI Ultra S-a you like?

Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.

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Should you buy a used Audi A6 SE TDI Ultra S-a?

The Audi A6 SE TDI Ultra S-a has an overall MOT pass rate of 89.7% across 825 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

A typical Audi A6 SE TDI Ultra S-a owner drives around 10,213 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 SE TDI Ultra S-a — Frequently Asked Questions

Is the Audi A6 SE TDI Ultra S-a reliable?
Based on 825 MOT tests, the Audi A6 SE TDI Ultra S-a has a 89.7% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi A6 SE TDI Ultra S-a?
The most common failure point is general wear and tear.
How many miles does a Audi A6 SE TDI Ultra S-a do per year?
The typical Audi A6 SE TDI Ultra S-a does around 10,213 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A6 SE TDI Ultra S-a last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A6 SE TDI Ultra 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.