Audi A3 E-Tron 40 S-A (2020)

Estimated running costs and MOT pass rates from 1,880 MOT tests in 2024.

Annual Cost

£2,003

£167/month

MOT Pass Rate

88%

Good

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 8-20

1395cc Hybrid

Solid Option

88% pass rate, £2,003/year to run. 6 points above average.

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Hybrid1395cc6 years old1,880 tests38k miles avg

Annual Running Costs

Fuel (Hybrid, 1395cc)

~42 mpg (petrol-engine estimate; hybrids usually use less)

£1,398

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£2,003

Per month£167/mo

Per week£39/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p 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

88% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 6 points above the average of 82% across all models in our data.

88% of MOT tests on Audi A3 E-Tron 40 S-As from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 1,880 tests across the UK, retests included. The average mileage recorded at those tests was 38,483 miles.

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How Does It Compare?

Rank among 2020 models2060th of 2,554(bottom 20%)

Rank among Audi models773rd of 1,066(bottom half)

vs average of all models+6%(82% avg)

vs 2020 models average-4%(92% avg)

vs Audi average-2%(90% avg)

Mileage Analysis

38,483

Average miles

29,600

Expected for age

The average 2020 Audi A3 E-Tron 40 S-A had 38,483 miles on the clock at its 2024 MOT, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

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Similar Cars to Consider

Toyota Yaris

2018 · 1349cc Hybrid

£1,853/year

91%

+3%

MINI Cooper S

2019 · 1499cc Hybrid

£1,853/year

92%

+4%

Toyota Prius

2019 · 1797cc Hybrid

£2,086/year

94%

+6%

Toyota C-HR

2018 · 1797cc Hybrid

£2,086/year

90%

+2%

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About the 2020 Audi A3 E-Tron 40 S-A

The 2020 Audi A3 E-Tron 40 S-A is a premium car. Our records list a 1395cc hybrid engine, though engines vary between versions. 1,880 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 20% of 2020 models for MOT pass rate.

With an average of 38,483 miles recorded at its 2024 MOT tests, Audi A3 E-Tron 40 S-A owners cover more miles than the average driver.

2020 Audi A3 E-Tron 40 S-A Fuel Costs

The 1395cc hybrid engine offers a reasonable balance between performance and economy. Our estimate uses around 42 mpg, the figure for a petrol engine of this size, which works out to roughly £1,398 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.

What does it cost to own a 2020 Audi A3 E-Tron 40 S-A?

Total estimated annual running cost is £2,003 (£167/month), broken down as £1,398 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2020 Audi A3 E-Tron 40 S-A

At 6 years old, the Audi A3 E-Tron 40 S-A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

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.

Hybrid Battery Health

Medium risk

After 6 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.

Inverter and Power Electronics

Low risk

The inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.

Regenerative Braking

Medium risk

Brake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.

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 2020 Audi A3 E-Tron 40 S-A 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 E-Tron 40 S-A(2020)	88%	£1,398	£200	Grp 8-20	£2,003
Toyota Yaris(2018)	91%	£1,398	£200	Grp 8-20	£1,853-£150
MINI Cooper S(2019)	92%	£1,398	£200	Grp 12-25	£1,853-£150
Toyota Prius(2019)	94%	£1,631	£200	Grp 18-32	£2,086+£83
Toyota C-HR(2018)	90%	£1,631	£200	Grp 18-32	£2,086+£83

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 A3 E-Tron 40 S-A

Is the 2020 Audi A3 E-Tron 40 S-A reliable?

Good reliability. Occasional issues but generally solid. 88% of MOT tests on 2020 Audi A3 E-Tron 40 S-As ended in a pass, from 1,880 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points above the average of 82% across all models in the same data.

How much does a 2020 Audi A3 E-Tron 40 S-A cost to run?

Our estimate is £2,003 a year (£167 a month): £1,398 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2020 Audi A3 E-Tron 40 S-A?

88% of 1,880 MOT tests on the 2020 Audi A3 E-Tron 40 S-A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2060th of 2,554 models first registered in 2020 (bottom 20%).

What is the average mileage for a 2020 Audi A3 E-Tron 40 S-A?

The average mileage recorded at MOT tests on the 2020 Audi A3 E-Tron 40 S-A is 38,483 miles, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.