CarCostCheck

AUDI Q8 S LINE 55 TFSI E QUATTRO A (2021)

Running costs, common problems, and reliability data based on 45 real MOT tests in 2024.

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MOT Pass Rate

87%

Total Tests (2024)

45

Avg Mileage

30,955 mi

Est. Annual Cost

£2,187

Is the 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 3 years old, 87% of AUDI Q8 S LINE 55 TFSI E QUATTRO As from 2021 passed their MOT first time in 2024. That's based on 45 tests across the UK. The average mileage at this age is 30,955 miles.

How does the 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A compare?

Rank among all 2021 cars3013th out of 3,373(top 89%)
Rank among all AUDI models840th out of 1,079(top 78%)
vs national average+5% (82% avg)
vs 2021 cars average-5% (92% avg)
vs AUDI average-3% (90% avg)

Mileage Analysis

The average 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A has 30,955 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

How much does a 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A cost to run?

⛽Fuel (Hybrid, 2995cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£2,187
Per month£182/mo

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

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About the 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A

The 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A is a premium performance with a 2995cc hybrid engine. 45 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 89% of 2021 cars for MOT pass rates.

With an average of 30,955 miles at 3 years old, AUDI Q8 S LINE 55 TFSI E QUATTRO A owners cover more miles than the average driver.

2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A Fuel Costs

The 2995cc hybrid engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A?

Total estimated annual running cost is £2,187 (£182/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 45 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 AUDI Q8 S LINE 55 TFSI E QUATTRO A

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines: