Hey Crosstrek enthusiasts! Getting the right oil for your 2021 Subaru Crosstrek is super important. It keeps your engine running smoothly and helps it last longer. But with so many options out there, picking the best one can feel a bit overwhelming. Don't worry, we've got you covered! Let's dive into everything you need to know about choosing the right oil for your ride.

Understanding Your 2021 Subaru Crosstrek's Oil Needs

Okay, so first things first, why is the right oil so crucial? Think of oil as the lifeblood of your engine. It lubricates all the moving parts, reduces friction, dissipates heat, and keeps things clean by carrying away dirt and debris. Using the wrong oil can lead to increased wear and tear, decreased performance, and even some serious engine damage down the road. Nobody wants that, right?

For the 2021 Subaru Crosstrek, Subaru recommends a specific type of oil to ensure optimal performance and longevity. This recommendation is based on the engine's design, materials, and operating conditions. Sticking to the recommended oil type and viscosity helps maintain the engine's efficiency and protects it from potential damage. So, let's get into the details of what that recommended oil is!

Viscosity Explained: When we talk about oil, you'll often hear the term "viscosity." Viscosity refers to the oil's thickness and its ability to flow at different temperatures. The numbers you see on oil bottles, like 0W-20 or 5W-30, represent the oil's viscosity grade. The first number (with the "W") indicates the oil's viscosity at cold temperatures, while the second number indicates the viscosity at operating temperatures. For example, 0W-20 oil is designed to flow more easily at cold temperatures than 5W-30 oil, which is important for cold starts. Ensuring you use the correct viscosity is vital for proper lubrication and engine protection.

Synthetic vs. Conventional Oil: Another critical consideration is whether to use synthetic or conventional oil. Synthetic oil is engineered to provide better performance and protection compared to conventional oil. It offers improved resistance to high temperatures, better flow at low temperatures, and enhanced protection against wear and tear. While synthetic oil may be more expensive, its benefits often outweigh the cost, especially for modern engines like the one in your 2021 Subaru Crosstrek. We'll get deeper into which one is best for your Crosstrek shortly!

Recommended Oil Type for the 2021 Subaru Crosstrek

Alright, let's get down to the nitty-gritty. For the 2021 Subaru Crosstrek, the recommended oil type is 0W-20 synthetic oil. Yes, you heard that right – synthetic. Subaru specifically formulates this recommendation to ensure your engine gets the best possible protection and performance. Using 0W-20 synthetic oil helps your engine start smoothly in cold weather, maintains optimal lubrication at high temperatures, and reduces wear and tear over the long haul.

Why 0W-20? The 0W-20 viscosity grade is designed to provide excellent flow at both low and high temperatures. The "0W" part means the oil flows easily during cold starts, which is crucial for reducing engine wear when the engine is cold. The "20" part means the oil maintains its viscosity at higher operating temperatures, ensuring proper lubrication and protection when the engine is hot. This combination makes 0W-20 an ideal choice for the 2021 Subaru Crosstrek, providing comprehensive protection in various driving conditions.

Why Synthetic? Synthetic oil offers several advantages over conventional oil. It is more resistant to oxidation and thermal breakdown, which means it can withstand higher temperatures without losing its lubricating properties. Synthetic oil also contains fewer impurities and is engineered to provide better protection against wear and tear. Additionally, synthetic oil can often extend the oil change interval, saving you time and money in the long run. For these reasons, Subaru recommends synthetic oil for the 2021 Crosstrek to ensure optimal engine performance and longevity.

What if You Can't Find 0W-20? While 0W-20 is the recommended oil, there might be situations where it's not readily available. In such cases, you can use 5W-30 synthetic oil as a temporary alternative. However, it's essential to switch back to 0W-20 as soon as possible to maintain the engine's optimal performance and protection. Using 5W-30 for extended periods may not provide the same level of cold-start protection as 0W-20, potentially leading to increased engine wear over time. Always prioritize using the recommended oil type whenever possible.

Choosing the Right Oil Brand

Okay, so you know you need 0W-20 synthetic oil, but with so many brands out there, how do you choose the right one? Don't sweat it; we'll break it down for you. While Subaru doesn't endorse a specific brand, there are several reputable brands that offer high-quality 0W-20 synthetic oil. Look for brands that meet or exceed the industry standards set by the American Petroleum Institute (API).

Key Considerations When Choosing an Oil Brand:

• API Certification: Ensure the oil is API certified. This certification indicates that the oil meets certain performance standards and is suitable for use in your 2021 Subaru Crosstrek.
• Brand Reputation: Opt for well-known and reputable brands that have a track record of producing high-quality oils. Reading online reviews and checking consumer reports can provide valuable insights into the performance and reliability of different oil brands.
• Additives: Consider oils that contain advanced additives. These additives can enhance the oil's performance by providing improved protection against wear, corrosion, and deposit formation. Some additives also help to keep the engine clean and improve fuel efficiency.

Popular and Recommended Brands:

• Mobil 1: Mobil 1 is a widely recognized and trusted brand known for its high-quality synthetic oils. Their 0W-20 synthetic oil is a popular choice among Subaru owners due to its excellent performance and protection.
• Castrol: Castrol is another reputable brand that offers a range of synthetic oils. Their 0W-20 synthetic oil is formulated to provide superior engine protection and performance in various driving conditions.
• Pennzoil: Pennzoil is known for its innovative oil formulations and advanced additive technology. Their 0W-20 synthetic oil is designed to keep engines clean and provide excellent protection against wear and tear.
• Valvoline: Valvoline has a long history of producing high-quality automotive lubricants. Their 0W-20 synthetic oil is formulated to provide excellent engine protection and performance, meeting or exceeding industry standards.

When selecting an oil brand, consider your specific driving conditions and preferences. If you frequently drive in extreme temperatures or engage in heavy towing, you may want to choose an oil that offers enhanced protection against heat and wear. Reading product reviews and consulting with a trusted mechanic can also help you make an informed decision.

Oil Change Intervals for Your 2021 Subaru Crosstrek

So, you've got the right oil. Awesome! But how often should you change it? Following the recommended oil change intervals is just as important as using the right oil type. Regular oil changes ensure that your engine is properly lubricated and protected, preventing premature wear and tear. For the 2021 Subaru Crosstrek, the recommended oil change interval is typically every 6,000 miles or 6 months, whichever comes first.

Normal vs. Severe Driving Conditions:

It's essential to consider your driving conditions when determining your oil change interval. If you primarily drive under normal conditions, such as daily commuting on well-maintained roads, you can generally follow the standard recommendation of 6,000 miles or 6 months. However, if you frequently drive under severe conditions, such as:

• Stop-and-go traffic
• Short trips (less than 5 miles)
• Extreme temperatures (hot or cold)
• Towing or hauling heavy loads
• Driving on dusty or unpaved roads

you may need to change your oil more frequently. Under severe driving conditions, it's generally recommended to change your oil every 3,000 miles or 3 months to ensure optimal engine protection. Always consult your owner's manual for specific recommendations based on your driving conditions.

Why Regular Oil Changes Matter:

Regular oil changes provide several benefits for your engine, including:

• Improved Lubrication: Fresh oil provides optimal lubrication for all engine components, reducing friction and wear.
• Enhanced Cooling: Clean oil helps to dissipate heat more effectively, preventing the engine from overheating.
• Better Cleaning: New oil contains detergents and additives that help to remove dirt, debris, and contaminants from the engine, keeping it clean and running smoothly.
• Increased Engine Life: By providing proper lubrication, cooling, and cleaning, regular oil changes can significantly extend the life of your engine.

Tips for Extending Oil Life:

• Use High-Quality Oil Filters: A good oil filter is essential for removing contaminants from the oil and preventing them from circulating through the engine. Use high-quality oil filters that are designed to meet or exceed the manufacturer's specifications.
• Avoid Short Trips: Short trips can cause the oil to become contaminated with fuel and moisture, reducing its lubricating properties. Try to combine errands and take longer trips whenever possible to allow the engine to warm up fully.
• Maintain Proper Coolant Levels: Proper coolant levels are essential for maintaining the engine's operating temperature and preventing the oil from overheating. Check your coolant levels regularly and top up as needed.
• Monitor Oil Levels: Regularly check your oil levels to ensure that the engine is properly lubricated. Low oil levels can lead to increased friction and wear, potentially causing engine damage.

Step-by-Step Guide to Changing Your Oil

Okay, feeling brave enough to change your oil yourself? It's totally doable, and we'll walk you through it. Here's a step-by-step guide to changing the oil in your 2021 Subaru Crosstrek:

Tools and Materials You'll Need:

• New 0W-20 synthetic oil (check your owner's manual for the correct quantity)
• New oil filter
• Wrench for the oil filter
• Socket wrench and socket for the drain plug
• Oil drain pan
• Funnel
• Gloves
• Rags or paper towels
• Jack and jack stands (optional, but recommended for easier access)

Step-by-Step Instructions:

1. Warm Up the Engine: Start the engine and let it run for a few minutes to warm up the oil. This will help it flow more easily.
2. Prepare the Vehicle: Park the vehicle on a level surface and engage the parking brake. If you're using a jack and jack stands, lift the vehicle and secure it with the jack stands.
3. Locate the Oil Drain Plug: Locate the oil drain plug on the bottom of the oil pan. Place the oil drain pan under the drain plug to catch the old oil.
4. Remove the Drain Plug: Use the socket wrench to loosen and remove the drain plug. Be careful, as the oil may be hot.
5. Drain the Oil: Allow the oil to drain completely into the drain pan. This may take 15-20 minutes.
6. Remove the Old Oil Filter: Locate the oil filter and use the oil filter wrench to loosen and remove it. Be prepared for some oil to spill out.
7. Prepare the New Oil Filter: Lightly lubricate the rubber gasket on the new oil filter with fresh oil. This will help ensure a good seal.
8. Install the New Oil Filter: Screw the new oil filter onto the engine by hand until the gasket makes contact. Then, tighten it another ¾ turn.
9. Reinstall the Drain Plug: Clean the drain plug and install a new crush washer (if applicable). Tighten the drain plug to the manufacturer's specified torque.
10. Add New Oil: Remove the oil filler cap on top of the engine and insert the funnel. Pour in the correct amount of new oil, as specified in your owner's manual.
11. Check the Oil Level: Use the dipstick to check the oil level. Add more oil if necessary to reach the proper level.
12. Start the Engine: Start the engine and let it run for a few minutes. Check for any leaks around the drain plug and oil filter.
13. Turn Off the Engine: Turn off the engine and let it sit for a few minutes. Check the oil level again and add more oil if necessary.
14. Dispose of the Old Oil: Properly dispose of the old oil at a local recycling center or auto parts store.

Safety Tips:

• Always wear gloves to protect your hands from the hot oil.
• Be careful when working under the vehicle. Use jack stands to secure the vehicle and prevent it from falling.
• Do not over-tighten the drain plug or oil filter, as this can damage the threads.
• Properly dispose of the old oil to protect the environment.

Final Thoughts

So, there you have it! Choosing the right oil for your 2021 Subaru Crosstrek doesn't have to be a headache. Stick with 0W-20 synthetic oil, choose a reputable brand, follow the recommended oil change intervals, and you'll keep your engine running smoothly for years to come. Whether you decide to change the oil yourself or take it to a professional, knowing these basics will help you make informed decisions and keep your Crosstrek in tip-top shape. Happy driving, guys!