The 2022 Mazda CX-5 with the 2.5L naturally aspirated 4-cylinder engine is a refined and efficient compact crossover that rewards owners who prioritize proper maintenance. While Mazda recommends 0W-20 viscosity motor oil for this powerplant, utilizing premium synthetic formulations can significantly enhance protection against wear, reduce engine temperature, and extend service intervals for drivers who face severe conditions, frequent short trips, or extreme weather. This guide outlines the specific lubrication needs for your CX-5, ensuring every component from the engine block to the transfer case receives the optimal fluid treatment.
Recommended AMSOIL Products
- AMSOIL Signature Series 0W-20 100% Synthetic Motor Oil – The top choice for maximum engine protection, offering 75% more protection against horsepower loss and wear while supporting intervals up to 25,000 miles or one year.
- AMSOIL Extended-Life 0W-20 100% Synthetic Motor Oil – Provides an excellent balance of cleaning power and durability, offering up to 20,000 miles of protection between changes while fighting low-speed pre-ignition (LSPI).
- AMSOIL OE 0W-20 100% Synthetic Motor Oil – A cost-effective synthetic solution that fights sludge and deposits, meeting the performance needs of modern engines with reliable protection.
- AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil – Specifically formulated for vehicles with over 75,000 miles, featuring enhanced detergents and anti-wear additives to help engines last longer.
- AMSOIL Oil Filter – Ensures 99% filtering efficiency at 20 microns to capture small wear-causing contaminants, extending engine life with greater capacity than competing filters.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Withstands the rigors of heavy towing and elevated temperatures while maintaining fluidity in sub-zero conditions for smooth shifting.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Designed to protect against wear and deliver reliable performance in the 6-speed automatic transmissions found in the CX-5.
- AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube – Ideal for the transfer case and rear differential, providing advanced protection against thermal runaway, rust, and corrosion while reducing operating temperatures.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A pre-mixed, phosphate- and nitrate-free coolant engineered to protect all cooling system metals for up to 150,000 miles or 5 years.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option for those who prefer mixing their own coolant, offering superior corrosion and erosion protection with an extended service life.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Delivers excellent ABS and traction-control responsiveness with a stable viscosity range for safer braking in extreme conditions.
Engine Oil and Filter Specifications
The 2.5L 4-cylinder engine in the 2022 Mazda CX-5 requires a specific viscosity to ensure optimal lubrication during cold starts and high-load operations. The manufacturer specifies a 0W-20 viscosity grade for all temperatures. For a standard oil change that includes the filter, the engine capacity is 4.8 quarts. It is critical to check the oil level after refilling and adhere to the specified torque of 23-30 ft/lbs for the oil drain plug to prevent leaks. When performing the service, always install a new washer on the drain bolt to ensure a secure seal.
For owners seeking the absolute peak of performance, AMSOIL Signature Series 0W-20 stands out. Independent testing shows it provides 75% more engine protection against horsepower loss and wear compared to industry standards. This oil is guaranteed for up to 25,000 miles or one year, making it ideal for those who drive under severe conditions or prefer extended drain intervals. However, not every driver requires the maximum interval. The AMSOIL Extended-Life 0W-20 offers 20,000 miles of protection with 37% more cleaning power, which helps keep the engine running smoother and addresses the issue of Low-Speed Pre-Ignition (LSPI) that can affect modern turbocharged and direct-injection engines.
For those prioritizing value without sacrificing the benefits of full synthetic chemistry, the AMSOIL OE 0W-20 is a robust option. It effectively fights sludge and deposits while meeting the demands of OEM specifications. Finally, for CX-5 models that have accumulated significant mileage, the AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil is the preferred choice. Formulated for vehicles over 75,000 miles, it includes boosted detergents and dispersants to reduce sludge by 67%, helping older engines perform better and last longer.
Pairing the oil with a high-quality filter is just as important. The AMSOIL Oil Filter (EA15K12-EA) is rated for 99% filtering efficiency at 20 microns. This high level of filtration allows for lower restriction, ensuring that engine parts remain well-lubricated even when the oil is viscous in cold weather. The filter also holds a greater capacity for contaminants than many competitors, reducing wear-causing particles circulating through the engine.
Transmission and Differential Maintenance
The automatic transmission in the 2022 CX-5 is a sensitive component that benefits greatly from synthetic fluid. The initial fill capacity for the 6-speed transmission varies depending on the specific configuration, with total fill capacities ranging from 8.2 to 8.5 quarts. A partial refill for a fluid change typically requires around 3.5 quarts. Using a synthetic fluid is essential for maintaining the fluidity required for smooth shifting and protecting the transmission from the heat generated during operation.
The AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid is designed to withstand the rigors of heavy towing and challenging terrain, remaining fluid even in sub-zero temperatures. It provides reserve protection during heavy use, making it suitable for drivers who frequently carry loads or drive in mountainous areas. Alternatively, the AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid offers excellent protection against wear for standard driving conditions.
If your CX-5 is equipped with an all-wheel-drive system, the transfer case and rear differential also require specific attention. The transfer case typically requires approximately 1.1 pints of lubricant, while the rear differential holds about 0.8 pints. The AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube is the ideal solution for these applications. It controls thermal runaway, a common issue where gear oils break down under extreme heat, and contains friction modifiers beneficial for limited-slip differentials. This synthetic gear lube also helps reduce operating temperatures and prevents rust and corrosion, extending the life of the seals and equipment.
Cooling System and Brake Fluid
The cooling system for the 2022 Mazda CX-5 has a capacity of 7.9 quarts. Maintaining the correct coolant mixture is vital to prevent overheating and corrosion within the engine block. AMSOIL Passenger Car & Light Truck Antifreeze & Coolant is an ethylene glycol-based, 50/50 pre-mix formulation that exceeds OEM requirements. It is free of phosphates, nitrates, nitrites, silicates, borates, and amines, ensuring compatibility with all cooling system metals, gaskets, and hoses for up to 150,000 miles or five years. For owners who prefer a concentrated formula, the AMSOIL Propylene Glycol Antifreeze and Engine Coolant offers extended service life and superior protection against metallic corrosion and erosion.
Brake safety is paramount, and the hydraulic brake system in the CX-5 utilizes DOT 3 brake fluid. Over time, brake fluid can absorb moisture, leading to a lowered boiling point and potential corrosion of the brake lines and calipers. AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid provides excellent responsiveness for ABS and traction-control systems. Its stable viscosity over a wide temperature range ensures consistent braking performance, reducing the risk of brake fade during hard stops or when towing.
Additional Performance and Care Products
Beyond the essential fluids, the 2022 CX-5 can benefit from targeted additives and care products. The AMSOIL P.i.® Performance Improver Gasoline Additive is designed to restore up to 14% horsepower and clean GDI fuel injectors to 100% flow rate after just one tank of fuel. This additive helps control pre-ignition knock and improves overall fuel economy. For vehicles that are driven infrequently, the AMSOIL Gasoline Stabilizer can keep fuel fresh for up to 12 months, protecting against varnish and gum buildup caused by ethanol corrosion.
Regular cleaning and protection are also important for preserving the vehicle’s value. AMSOIL Synthetic Multi-Purpose Grease offers long-term performance with outstanding low-temperature pumpability, ideal for chassis greasing. For exterior protection, the AMSOIL Exterior Ceramic Spray Sheds water rapidly and protects against UV rays with easy application. The AMSOIL Engine Degreaser provides a professional-strength formula to quickly remove grease and grime from engine surfaces, while the AMSOIL Glass Cleaner effectively cuts through grime without leaving streaks.
About the Vehicle: 2022 Mazda CX-5
The 2022 Mazda CX-5 represents a significant leap in refinement and style within the compact SUV segment. Built on Mazda’s scalable SKYACTIV-Vehicles architecture, it offers a driving character that feels more like a premium sedan than a traditional utility vehicle. The model is available with two primary powertrain options, but the naturally aspirated 2.5-liter four-cylinder engine provides a smooth, quiet, and highly efficient power delivery that pairs perfectly with the standard 6-speed automatic transmission. For those seeking more power, a turbocharged variant is also available, featuring the SPCCI (Spark-Controlled Compression Ignition) technology which blends spark and compression ignition for cleaner, more efficient combustion.
Designers and engineers at Mazda focused heavily on the “Kodo – Soul of Motion” design philosophy, resulting in a vehicle with a sweeping profile and a sophisticated interior that emphasizes driver engagement. The CX-5 is widely regarded for its build quality, with a cabin that feels robust and upscale. It serves as an excellent daily driver for families or commuters who appreciate a balance of fuel economy, handling agility, and cargo utility. The 2022 model year continued to refine the previous generation’s strengths, offering a comfortable ride quality that absorbs road imperfections well while maintaining responsive steering.
Despite its reliability, like any complex machine, the CX-5 can face specific issues over time. Owners often report that direct-injection engines can accumulate carbon deposits on intake valves, a problem that AMSOIL P.i. Performance Improver is designed to mitigate. Another common issue in some Mazda models is the occurrence of low-speed pre-ignition (LSPI) or “pinging” under heavy load, which can be exacerbated by standard oil formulations; AMSOIL extended-life and OE motor oils are engineered to resist this specific type of engine knock. Additionally, some owners may experience premature wear in the all-wheel-drive system components, particularly in wet or snowy climates where the transfer case and differential are constantly engaged; using a high-quality synthetic gear lube like SEVERE GEAR® can significantly reduce the risk of thermal breakdown in these areas. Finally, while the paint is durable, owners who live in areas with heavy road salt or frequent precipitation may benefit from the corrosion protection offered by AMSOIL Metal Protectors to safeguard the undercarriage and prevent rust formation.
Proper maintenance is the key to unlocking the full potential of this well-engineered crossover. By selecting the correct synthetic fluids and additives, owners can ensure their CX-5 remains reliable, efficient, and a pleasure to drive for years to come.