Audi A3 S Line 35 TDI (2019)

Estimated running costs and MOT pass rates from 215 MOT tests in 2024.

Annual Cost

£1,852

£154/month

MOT Pass Rate

92%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 18-32

1968cc Diesel

Great Choice

92% pass rate, £1,852/year to run. 10 points above average.

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Diesel1968cc7 years old215 tests44k miles avg

Annual Running Costs

Fuel (Diesel, 1968cc)

~48 mpg

£1,397

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,852

Per month£154/mo

Per week£36/wk

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

92% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 10 points above the average of 82% across all models in our data.

92% of MOT tests on Audi A3 S Line 35 TDIs from 2019 ended in a pass in 2024, when they were about 5 years old. That's based on 215 tests across the UK, retests included. The average mileage recorded at those tests was 44,038 miles.

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How Does It Compare?

Rank among 2019 models568th of 1,380(top half)

Rank among Audi models555th of 1,066(bottom half)

vs average of all models+10%(82% avg)

vs 2019 models average+2%(90% avg)

vs Audi average+2%(90% avg)

Mileage Analysis

44,038

Average miles

37,000

Expected for age

The average 2019 Audi A3 S Line 35 TDI had 44,038 miles on the clock at its 2024 MOT, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.

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Audi A3 S Line 35 TDI by Year

Year	Pass Rate	Tests	Avg Mileage
2021	90%	30	33,925 mi
2020	88%	140	46,333 mi
2019	92%	215	44,038 mi

Similar Cars to Consider

Volkswagen Golf

2017 · 1598cc Diesel

£1,674/year

91%

-1%

Ford Focus

2019 · 1499cc Diesel

£1,824/year

89%

-3%

Volkswagen Polo

2018 · 1598cc Diesel

£1,824/year

84%

-8%

Ford Kuga

2019 · 1997cc Diesel

£1,852/year

91%

-1%

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About the 2019 Audi A3 S Line 35 TDI

The 2019 Audi A3 S Line 35 TDI is a premium car. Our records list a 1968cc diesel engine, though engines vary between versions. 215 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2019, the average MOT pass rate is 90%, and this model beats that benchmark.

With an average of 44,038 miles recorded at its 2024 MOT tests, Audi A3 S Line 35 TDI owners drive about as much as the UK average.

2019 Audi A3 S Line 35 TDI 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 2019 Audi A3 S Line 35 TDI?

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 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2019 Audi A3 S Line 35 TDI

At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage.

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 out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

Service History

Low risk

Always 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 2019 Audi A3 S Line 35 TDI 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 A3 S Line 35 TDI(2019)	92%	£1,397	£200	Grp 18-32	£1,852
Volkswagen Golf(2017)	91%	£1,219	£200	Grp 12-25	£1,674-£178
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 2019 Audi A3 S Line 35 TDI

Is the 2019 Audi A3 S Line 35 TDI reliable?

Excellent reliability. Very few MOT failures. 92% of MOT tests on 2019 Audi A3 S Line 35 TDIs ended in a pass, from 215 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data.

How much does a 2019 Audi A3 S Line 35 TDI 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 2019 Audi A3 S Line 35 TDI?

92% of 215 MOT tests on the 2019 Audi A3 S Line 35 TDI ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 568th of 1,380 models first registered in 2019 (top half).

Which year Audi A3 S Line 35 TDI has the best MOT pass rate?

Of the years with at least 100 tests, the 2019 Audi A3 S Line 35 TDI has the highest MOT pass rate at 92% and the 2020 the lowest at 88%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2019 Audi A3 S Line 35 TDI?

The average mileage recorded at MOT tests on the 2019 Audi A3 S Line 35 TDI is 44,038 miles, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.