CarCostCheck

AUDI A4 (2005)

Running costs, common problems, and reliability data based on 15,245 real MOT tests in 2024.

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MOT Pass Rate

75%

Total Tests (2024)

15,245

Avg Mileage

139,515 mi

Est. Annual Cost

£2,017

Is the 2005 AUDI A4 reliable?

Average reliability. Expect some repairs as it ages. That's 7 points below the national average of 82%. It falls below the AUDI brand average of 90%.

At 19 years old, 75% of AUDI A4s from 2005 passed their MOT first time in 2024. That's based on 15,245 tests across the UK. The average mileage at this age is 139,515 miles.

How does the 2005 AUDI A4 compare?

Rank among all 2005 cars234th out of 526(top 44%)
Rank among all AUDI models1023th out of 1,079(top 95%)
vs national average-7% (82% avg)
vs 2005 cars average+3% (72% avg)
vs AUDI average-15% (90% avg)

Mileage Analysis

The average 2005 AUDI A4 has 139,515 miles on the clock, which is in line with the expected 140,600 miles for a 19-year-old car, suggesting normal everyday use.

Best year to buy a AUDI A4?

The most reliable year is the 2021 model with a 96% MOT pass rate, while the 1995 model has the lowest at 61%. The 2005 sits between the two at 75%.

How much does a 2005 AUDI A4 cost to run?

⛽Fuel (Petrol, 1781cc)
£1,327
🏛️Road Tax
£135
🔧MOT Test
£55
🛠️Predicted Repairs
£500
Total per year£2,017
Per month£168/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

AUDI A4 by Year

YearPass RateTestsAvg Mileage
202196%53125,826 mi
202092%13,42039,596 mi
201991%25,77148,333 mi
201889%27,43157,063 mi
201788%41,84870,662 mi
201685%41,25882,779 mi
201585%31,96192,608 mi
201484%33,458102,945 mi
201384%32,559109,938 mi
201283%26,765120,869 mi
201182%26,901130,117 mi
201080%25,855136,452 mi
200979%26,384138,021 mi
200878%31,415137,710 mi
200777%30,996136,433 mi
200676%26,758137,214 mi
200575%15,245139,515 mi
200474%12,946146,260 mi
200374%7,402148,576 mi
200272%3,944156,746 mi
200174%1,748148,131 mi
200076%1,674149,460 mi
199976%2,062160,008 mi
199875%1,597153,893 mi
199774%842161,934 mi
199677%556158,416 mi
199561%208153,421 mi

Checking a specific AUDI A4?

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About the 2005 AUDI A4

The 2005 AUDI A4 is a premium with a 1781cc petrol engine. 15,245 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2005, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 139,515 miles at 19 years old, AUDI A4 owners drive about as much as the UK average.

2005 AUDI A4 Fuel Costs

The 1781cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2005 AUDI A4?

Total estimated annual running cost is £2,017 (£168/month), broken down as £1327 fuel, £135 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 75% pass rate. Keeping on top of servicing will help avoid surprises.

AUDI A4 Reliability Trend

Newer AUDI A4s show better MOT pass rates than older ones, with an average improvement of 12 percentage points.

Buying a Used 2005 AUDI A4

At 19 years old, the AUDI A4 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2021 model has the highest pass rate at 96%. With 15,245 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2005 AUDI A4

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines: