Audi

Audi Tt (2004)

8,260 real MOT outcomes analysed • 75% first-time pass rate

2004 Audi Tt

CarHunch analysed 8,260 real MOT records for the 2004 Audi Tt. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2004 Audi TT is notably less reliable than average, with a 74.8% first-time pass rate against the UK average of 80%, and nearly half of all vehicles tested (48.1%) have recorded a dangerous defect at some point—a significant concern for a buyer. This isn't a model you'd call problem-free.

At around 75,000 miles median, these cars are well-used by their age, yet they're still racking up an average of 5.52 failures per MOT with a heavy advisory list of 29.7 items, suggesting the TT demands meticulous maintenance to stay safe and roadworthy. Before buying one, get a pre-purchase inspection from a specialist familiar with the model, focusing on the cooling system, suspension, and electrical gremlins that commonly plague these cars.

The 2004 Audi Tt has a decent first-time pass rate (75%), but a higher-than-average share of vehicles have had serious defects recorded — the individual vehicle's history matters a lot here.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
75%
UK average ~80%
Around average
Dangerous (ever)
48.1%
At least once in MOT history
Check this vehicle
Avg failures / car
5.52
Over 21 tests on record
High
Typical mileage
75k
Middle half: 59k–91k
For context
🔧 Average reliability. Passes at roughly the UK rate — not a standout, not a problem vehicle. Individual history makes all the difference.
🔧 Expect consumable spend. An average of 29.7 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.
🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 8,260 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Watch for defects — worth knowing

What tends to go wrong

Across 8,260 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 70.2%
Nearside Front Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Other issues 50.1%
Under-trays fitted obscuring some underside components · Engine covers fitted obscuring some components in the engine bay · Oil leak, but not excessive · …
Brake wear 45.2%
Offside Rear Brake pipe corroded, covered in grease or other material · Nearside Rear Brake pipe corroded, covered in grease or other material · Rear Brake pad(s) wearing thin
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Lighting 42.4%
Nearside Front position lamp(s) not working · Offside Front position lamp(s) not working
Usually cheap to fix. Worth confirming all lights work before collecting.
Suspension & steering 26.6%
Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement
Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 2004.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 8,260 Audi Tt cars.

UK

Before you buy a 2004 Audi Tt

Based on MOT data from 8,260 vehicles — here's what to check.

  • 📋 Check the full MOT history. 48.1% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (100%) 8,232 74.9% 5.54

Colour Breakdown

Based on 155,608 Audi Tt vehicles registered in the UK — across all years. From DVLA registration records.

Black 25.5%
39,705
Silver 17.6%
27,334
Blue 16.1%
25,094
White 15.2%
23,715
Grey 14.4%
22,414
Red 8.1%
12,679
Green 1.5%
2,299
Purple 0.4%
696
Orange 0.4%
578
Yellow 0.4%
576
Beige 0.3%
460
Pink 0%
58

Mileage Distribution

Most 2004 Audi Tt vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

74,840
typical
59,232
low mileage
91,102
high mileage

Half of all 2004 Audi Tt vehicles fall between 59,232 and 91,102 miles.

Is the mileage you're seeing normal?
Under 59,232 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
59,232–91,102 miles — normal for age. This is where most 2004 Audi Tts sit.
Over 122,987 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2004 Audi Tt — Still on the Road

Numbers are thinning — 53% of 2004 Audi Tts are still active.

3,914 vehicles still getting MOTs in 2025 — 53% of the peak remain.

7,408 3,914 2014 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

21
Avg MOT tests per vehicle
5.52
Avg failures per vehicle
29.7
Avg advisories per vehicle
Other model years — Audi Tt: All Tt years → Which year to buy? →
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Compare with another model

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Watch for defects — worth knowing