
The best years to buy a used are 2016 and newer, with 2018-2025 models representing the optimal blend of reliability, modern safety tech, and value. This timeframe avoids the chronic head gasket and oil consumption issues prevalent in many pre-2013 models. Key picks include the 2020+ Forester, 2017-2019 Outback, and 2018+ Crosstrek, all of which benefit from refined FB-series engines and more robust CVT transmissions.
For specific models, generational updates define the best years. The Subaru Forester's best years are 2016-2018 (fourth-gen) and 2020-2024 (fifth-gen), praised for their reliable powertrains and improved interior space. The Subaru Outback shines in the 2017-2019 and 2022-2025 model years, offering a great balance of proven reliability and lower projected repair costs. The Subaru Crosstrek became a top contender from 2018 onward, with significant improvements in technology and powertrain efficiency.
The Subaru Impreza maintains strong safety and reliability from 2015 through 2022. For the Subaru Ascent, it's advisable to choose 2019 and newer models, as later production runs addressed early transmission software glitches reported in the 2018 launch year.
It's crucial to avoid problematic years. Models from 2010-2014 are generally considered higher risk due to widespread reports of excessive oil consumption and early-generation CVT transmission concerns. However, older models like the 2005-2009 Outback with the 6-cylinder engine have a solid reputation for longevity.
The shift in Subaru's reliability is marked by the widespread adoption of the FB-series engine by the mid-2010s. This engine family, using a timing chain and updated head gasket design, resolved the most persistent issues of the earlier EJ engines. Industry recognition supports this; for instance, Consumer Reports named Subaru the 2025 Best Overall Automotive Brand, reflecting consistent scores for reliability and owner satisfaction.
| Model | Best Years (Key Generations) | Primary Reasons |
|---|---|---|
| Forester | 2016-2018, 2020-2024 | Refined FB engine, improved CVT, top safety scores. |
| Outback | 2017-2019, 2022-2025 | Proven reliability, lower cost of ownership, high comfort. |
| Crosstrek | 2018 and newer | More powerful base engine, better fuel economy, updated tech. |
| Impreza | 2015-2022 | Strong safety ratings, consistent reliability across generations. |
| Ascent | 2019 and newer | Early transmission issues largely resolved. |
Ultimately, focusing on a 2016 or newer Subaru, prioritizing certified pre-owned (CPO) vehicles, and having a trusted mechanic perform a pre-purchase inspection are the most reliable strategies for a satisfying purchase.

As a mechanic who sees dozens of Subarus in my shop, my advice is simple: start your search at 2016. That’s the real turning point. The older ones, especially around 2010-2014, are the ones that keep my lights on with oil consumption and CVT complaints. The FB engines in the newer cars are just built better. If a customer asks me for the one model year that’s a true “sweet spot,” I point them to a 2017 or 2018 Outback. They’re past the early kinks, the history is easy to check, and the repair bills are predictably low. It’s not the flashiest pick, but it’s the smart one.

We bought our 2020 Forester when our second child was born, and the decision came down to safety and hassle-free ownership. Everything I read said to avoid the older models because of potential big repairs. The 2020 had all the updated EyeSight driver-assist features as standard, which gives us real peace of mind on road trips. It’s been three years of just routine oil changes and tire rotations—no surprises. For a family, that reliability is everything. I’d tell any parent to look at 2018 or newer Foresters or Outbacks. You get the modern crash protection and the confidence that the car won’t let you down on the school run.

Shopping with a budget under $20k? You can still get a great . Target the 2016-2018 models. A 2016 Forester or a 2017 Outback are fantastic values now. They’re old enough to have taken the big depreciation hit but new enough to have the fixed engine design. Just make sure the CVT service has been done—it’s a critical maintenance item around 100,000 miles. Skip the 2010-2014 years entirely; the potential savings aren’t worth the risk of a $3,000 engine repair. Your money goes further on a slightly newer, much more reliable car.

I’ve owned Subarus for 15 years, from a 2005 Outback to my current 2019 Ascent. The difference in reliability is night and day. The old ones had character but required constant attention. The new ones are just appliances in the best way—they start every time. The key is the engine update. My advice is to think in generations, not just years. For the Outback and Legacy, the generation that started around 2015 is solid. For the Forester and Crosstrek, the 2019 redesigns were a major step up in refinement. Don’t fear higher mileage on a well-maintained 2017; it’s likely a better bet than a low-mileage 2013 with an unknown history. Always get a pre-purchase inspection from a specialist who knows Subarus. They can spot issues specific to certain model years that general listings won’t tell you.


