Audi A5 (2020)
Estimated running costs and MOT pass rates from 5,513 MOT tests in 2024.
Annual Cost
£1,852
£154/month
MOT Pass Rate
91%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 18-32
1968cc Diesel
Great Choice
91% pass rate, £1,852/year to run. 9 points above average.
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Annual Running Costs
~48 mpg
Standard rate (from April 2017)
Low estimate due to excellent reliability
Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 9 points above the average of 82% across all models in our data.
91% of MOT tests on Audi A5s from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 5,513 tests across the UK, retests included. The average mileage recorded at those tests was 35,048 miles.
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How Does It Compare?
Mileage Analysis
35,048
Average miles
29,600
Expected for age
The average 2020 Audi A5 had 35,048 miles on the clock at its 2024 MOT, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
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Best Year to Buy?
Of the years with at least 100 tests, the 2021 model has the highest MOT pass rate at 92%, while the 2007 model has the lowest at 82%. The 2020 scores 91%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Audi A5 by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2021 | 92% | 768 | 29,053 mi | |
| 2020 | 91% | 5,513 | 35,048 mi | |
| 2019 | 90% | 22,290 | 43,034 mi | |
| 2018 | 90% | 25,771 | 52,385 mi | |
| 2017 | 89% | 33,531 | 63,247 mi | |
| 2016 | 88% | 17,690 | 73,631 mi | |
| 2015 | 87% | 22,720 | 82,750 mi | |
| 2014 | 86% | 23,251 | 92,783 mi | |
| 2013 | 85% | 23,409 | 98,721 mi | |
| 2012 | 85% | 20,845 | 106,193 mi | |
| 2011 | 83% | 21,339 | 112,687 mi | |
| 2010 | 82% | 22,181 | 119,440 mi | |
| 2009 | 82% | 13,400 | 125,967 mi | |
| 2008 | 83% | 8,932 | 132,636 mi | |
| 2007 | 82% | 3,222 | 141,630 mi |
Similar Cars to Consider
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About the 2020 Audi A5
The 2020 Audi A5 is a premium car. Our records list a 1968cc diesel engine, though engines vary between versions. 5,513 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 35,048 miles recorded at its 2024 MOT tests, Audi A5 owners drive about as much as the UK average.
2020 Audi A5 Fuel Costs
The 1968cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,397 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2020 Audi A5?
Total estimated annual running cost is £1,852 (£154/month), broken down as £1,397 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Audi A5 Reliability Trend
Newer Audi A5s pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.
Buying a Used 2020 Audi A5
At 6 years old, the Audi A5 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 92%. With 5,513 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2020 Audi A5 stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Audi A5(2020) | 91% | £1,397 | £200 | Grp 18-32 | £1,852 |
| Volkswagen Golf(2018) | 92% | £1,397 | £200 | Grp 18-32 | £1,852same |
| Ford Focus(2019) | 89% | £1,219 | £200 | Grp 12-25 | £1,824-£28 |
| Volkswagen Polo(2018) | 84% | £1,219 | £200 | Grp 12-25 | £1,824-£28 |
| Ford Kuga(2019) | 91% | £1,397 | £200 | Grp 18-32 | £1,852same |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2020 Audi A5
Is the 2020 Audi A5 reliable?
Excellent reliability. Very few MOT failures. 91% of MOT tests on 2020 Audi A5s ended in a pass, from 5,513 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data.
How much does a 2020 Audi A5 cost to run?
Our estimate is £1,852 a year (£154 a month): £1,397 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2020 Audi A5?
91% of 5,513 MOT tests on the 2020 Audi A5 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1482nd of 2,554 models first registered in 2020 (bottom half).
Which year Audi A5 has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Audi A5 has the highest MOT pass rate at 92% and the 2007 the lowest at 82%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2020 Audi A5?
The average mileage recorded at MOT tests on the 2020 Audi A5 is 35,048 miles, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Related Audi Models
Explore other Audi cars or similar models in the same category.
Audi A3
2015 · 1598cc Diesel
Audi A1
2016 · 1395cc Petrol
Audi A4
2017 · 1968cc Diesel
Volkswagen Golf
2018 · 1968cc Diesel
Ford Focus
2019 · 1499cc Diesel
Volkswagen Polo
2018 · 1598cc Diesel
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