The Acura ILX generally requires synthetic motor oil, with 0W-20 synthetic being the standard specification for most North American models. Following the recommended oil type and change intervals helps protect the engine and support fuel efficiency.
Across its model years, the ILX has used four-cylinder engines derived from Honda’s lineup. Acura’s guidance for these engines is to run on synthetic oil that meets current API and ILSAC standards, with an oil viscosity designed to optimize cold starts, wear protection, and efficiency. Always verify the exact specification for your year and market in the owner's manual or on the oil-fill cap, since requirements can vary slightly by model year or region.
Oil Type and Viscosity
Understanding the right oil type and viscosity is essential for the ILX’s engines across years. The following guidelines apply to most North American ILX models:
- Oil type: 0W-20 full synthetic oil is the standard recommended for ILX engines (both 2.0L and 2.4L variants) in North America, meeting API SP or newer and ILSAC GF-6 specifications.
- Viscosity: 0W-20 is chosen to optimize cold-start protection, fuel economy, and emissions performance.
- Oil capacity: Most ILX engines hold about 4.2–4.4 quarts (including the filter); check your exact figure in the owner's manual for your year and engine.
- Brand and compatibility: Use a reputable full-synthetic motor oil that meets the API SP (or newer) and ILSAC GF-6 standards, and pair it with a compatible filter. Acura Genuine or equivalent OEM-approved oils are commonly recommended.
In short, use a 0W-20 full synthetic oil that meets current API and ILSAC specs, and ensure you use the correct quantity for your engine.
Variants by year and market
For most ILX models sold in the United States and Canada, 0W-20 synthetic is the standard specification. Some markets or very early models may have different allowances, so always confirm with the exact owner’s manual for your year and region.
Maintenance intervals for oil changes
Oil-change intervals for the ILX depend on driving conditions and the car’s maintenance minder, but typical guidelines are:
- Normal driving: change every 7,500 miles or 12 months, whichever comes first.
- Severe driving (short trips, extreme temperatures, frequent towing, heavy traffic): change every 3,750 miles or 6 months, whichever comes first.
- Oil filter replacement is included with each oil change, and use of the recommended oil is essential for best results.
- Always consult the maintenance minder readout and the owner's manual for the exact interval for your specific year and trim.
Adhering to these intervals helps protect the engine, maintain performance, and preserve warranty coverage where applicable. If you drive under more stringent conditions, follow the shorter interval advised by your vehicle’s maintenance minder.
Why synthetic oil is usually recommended for the ILX
Synthetic oil provides more stable viscosity across temperature changes, better protection at startup, and improved resistance to breakdown under high heat and stress. For the ILX’s four-cylinder engines, synthetic 0W-20 aligns with engineering tolerances, fuel-efficiency targets, and long-term durability goals set by Acura. Conventional oil can meet some older specs, but it often falls short on the cold-start and thermal stability performance expected in modern engines.
If you’re unsure about which oil to buy or you’re planning an extended interval, consult the owner’s manual or a service advisor. Using the recommended oil type and staying within the advised interval helps keep your ILX running smoothly and can support warranty coverage.
Summary
Across model years, the Acura ILX is designed to run on synthetic oil, with 0W-20 full synthetic being the standard specification in most markets. Use an oil that meets API SP (or newer) and ILSAC GF-6 standards, and follow the maintenance minder guidance to determine the right oil-change interval (typically 7,500 miles normal, 3,750 miles severe). Always verify exact specifications for your year and region in the owner’s manual, and consider Acura Genuine or equivalent OEM-approved oils for optimum compatibility and protection.