CarCostCheck

AUDI Q5 S LINE 45 TFSI MHEV QUAT SA (2021)

Running costs, common problems, and reliability data based on 3,832 real MOT tests in 2024.

MOT Pass Rate

95%

Total Tests (2024)

3,832

Avg Mileage

26,729 mi

Est. Annual Cost

£1,772

Is the 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA reliable?

Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.

At 3 years old, 95% of AUDI Q5 S LINE 45 TFSI MHEV QUAT SAs from 2021 passed their MOT first time in 2024. That's based on 3,832 tests across the UK. The average mileage at this age is 26,729 miles.

How does the 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA compare?

Rank among all 2021 cars746th out of 3,373(top 22%)
Rank among all AUDI models192th out of 1,079(top 18%)
vs national average+13% (82% avg)
vs 2021 cars average+3% (92% avg)
vs AUDI average+5% (90% avg)

Mileage Analysis

The average 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA has 26,729 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.

Best year to buy a AUDI Q5 S LINE 45 TFSI MHEV QUAT SA?

The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2020 model has the lowest at 92%. The 2021 sits between the two at 95%.

How much does a 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA cost to run?

Fuel (Petrol, 1984cc)
£1,327
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,772
Per month£148/mo

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

AUDI Q5 S LINE 45 TFSI MHEV QUAT SA by Year

YearPass RateTestsAvg Mileage
202298%9119,979 mi
202195%3,83226,729 mi
202092%34529,856 mi

Checking a specific AUDI Q5 S LINE 45 TFSI MHEV QUAT SA?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

About the 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA

The 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA is a premium with a 1984cc petrol engine. 3,832 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 22% of all 2021 cars for reliability.

With an average of 26,729 miles at 3 years old, AUDI Q5 S LINE 45 TFSI MHEV QUAT SA owners cover more miles than the average driver.

2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA Fuel Costs

The 1984cc 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 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA?

Total estimated annual running cost is £1,772 148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

AUDI Q5 S LINE 45 TFSI MHEV QUAT SA Reliability Trend

Newer AUDI Q5 S LINE 45 TFSI MHEV QUAT SAs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.

Buying a Used 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA

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. If you're flexible on year, the 2022 model has the highest pass rate at 98%.

Alternatives to the 2021 AUDI Q5 S LINE 45 TFSI MHEV QUAT SA

The AUDI Q5 S LINE 45 TFSI MHEV QUAT SA is actually the most reliable option among similar petrol premiums from this era. Here are comparable petrol cars with similar engines: