SUBARU OUTBACK (2021)
Running costs, common problems, and reliability data based on 784 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
784
Avg Mileage
27,630 mi
Est. Annual Cost
£2,037
Is the 2021 SUBARU OUTBACK reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the SUBARU brand average of 83%.
At 3 years old, 94% of SUBARU OUTBACKs from 2021 passed their MOT first time in 2024. That's based on 784 tests across the UK. The average mileage at this age is 27,630 miles.
How does the 2021 SUBARU OUTBACK compare?
Mileage Analysis
The average 2021 SUBARU OUTBACK has 27,630 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 SUBARU OUTBACK cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
SUBARU OUTBACK by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 94% | 784 | 27,630 mi |
| 2020 | 91% | 407 | 34,925 mi |
| 2019 | 93% | 1,030 | 41,337 mi |
| 2018 | 90% | 1,085 | 52,588 mi |
| 2017 | 91% | 746 | 62,472 mi |
| 2016 | 90% | 1,254 | 75,847 mi |
| 2015 | 85% | 1,384 | 87,656 mi |
| 2014 | 85% | 393 | 101,391 mi |
| 2013 | 81% | 415 | 100,053 mi |
| 2012 | 75% | 433 | 112,842 mi |
| 2011 | 81% | 883 | 114,449 mi |
| 2010 | 79% | 834 | 123,818 mi |
| 2009 | 77% | 501 | 115,908 mi |
| 2008 | 72% | 350 | 120,270 mi |
| 2007 | 72% | 609 | 123,973 mi |
| 2006 | 72% | 729 | 130,846 mi |
| 2005 | 70% | 497 | 130,499 mi |
| 2004 | 72% | 435 | 134,291 mi |
Checking a specific SUBARU OUTBACK?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 SUBARU OUTBACK
The 2021 SUBARU OUTBACK is a large car with a 2498cc petrol engine. 784 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 27,630 miles at 3 years old, SUBARU OUTBACK owners cover more miles than the average driver.
2021 SUBARU OUTBACK Fuel Costs
The 2498cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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 SUBARU OUTBACK?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
SUBARU OUTBACK Reliability Trend
Newer SUBARU OUTBACKs show better MOT pass rates than older ones, with an average improvement of 14 percentage points.
Buying a Used 2021 SUBARU OUTBACK
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.
Alternatives to the 2021 SUBARU OUTBACK
The SUBARU OUTBACK is actually the most reliable option among similar petrol large cars from this era. Here are comparable petrol cars with similar engines:
- VOLVO XC40 (2020) 93% pass rate (-1%) from 36,064 tests
- BMW 5 SERIES (2019) 92% pass rate (-2%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-2%) from 32,937 tests
- FORD RANGER (2021) 90% pass rate (-4%) from 32,078 tests