Regular oil changes are essential to vehicle maintenance, ensuring that your engine operates smoothly, efficiently and for as long as possible. However, determining the correct oil change interval can be confusing due to the many opinions and the revolving door of recommendations.
To help you understand how often you should actually be changing your oil, this guide provides insights into common oil change intervals and influencing factors, average costs, signs you need an oil change and the consequences of neglecting this routine maintenance.
When Should You Change Your Car's Oil?
Traditionally, the standard recommendation for oil change intervals has been every 3,000 miles. While your classic-car-owning neighbor or tow operator friend may still recommend and follow this interval, oil and engine technology advancements have deemed it out-of-date, especially if you don't subject your vehicle to heavy loads or harsh conditions. Many vehicle manufacturers now recommend 5,000- to 7,500-mile oil change intervals, and some cars can extend this to 10,000 miles when using high-quality synthetic oil.
Commonly recommended oil change intervals
| Interval |
Considerations |
| Every 3,000 miles |
Suitable for older model or heavy-use vehicles |
| Every 5,000 miles |
Suitable for most modern engines, balancing maintenance frequency and cost-effectiveness |
| Every 7,500 miles |
Recommended for newer vehicles with improved engine designs requiring synthetic oil |
| Every 10,000 miles |
Recommended for vehicles requiring advanced synthetic oil |
Refer to your owner's manual
If you're unsure how often to change your oil, check the owner's manual and follow your manufacturer's recommendation. The manual will also advise whether your specific make and model requires conventional or synthetic oil. While synthetic oil can extend your maintenance interval, it can cost two to four times more than regular oil and may not be necessary for your vehicle and operational needs.
Additionally, many modern vehicles come equipped with a built-in oil-life monitor. Integrated within your vehicle's onboard computer system and accessed through the instrument cluster, this technology uses sensors and algorithms to calculate the oil's condition. When the car is due for an oil change, the oil-life monitor will notify you to optimize maintenance schedules and ensure proper engine performance.
Factors That Will Affect Your Oil Change Schedule
Your vehicle's oil change schedule is influenced by various factors, which determine the frequency and timing of maintenance to ensure optimal performance:
Your owner's guide will specify the oil used in your car, impacting how often it needs to be changed. Conventional oil is made from crude oil and breaks down quicker than synthetic oil. Synthetic oils are heavily refined, with longer intervals that range from 7,500 to 10,000 miles.
As vehicles age, increased engine wear and oil consumption are more common, often necessitating more frequent oil changes and shorter intervals. Checking the dipstick is a quick and easy way to see if you need to change the oil sooner than expected.
If you commonly operate your vehicle under severe conditions, your oil change schedule may be shorter to maintain optimal engine performance. Severe operating conditions are characterized by frequent short trips, freezing temperatures, heavy traffic in hot weather, off-road or dusty environments, heavy towing, continuous high-speed driving or frequent stop-and-go patterns.
4. Manufacturer's recommendation
Following your manufacturer's recommended oil change schedule helps ensure your vehicle operates optimally, reducing significant repairs and unexpected downtime. The recommendation is based on the type of oil used, its lifespan and the optimal maintenance schedule to ensure the engine's longevity and performance. Following the manufacturer's recommendations may also maintain warranty coverage, which is essential for newer vehicles.
How Much Does an Oil Change Cost?
The national average cost for an oil change is between $130 and $145, according to RepairPal data.
This breaks down to:
| Labor costs |
Between $40 and $50 |
| Parts costs |
Between $85 and $95 |
| Total |
Between $130 and $145 |
The type of vehicle you drive can also cause the price to vary. Based on RepairPal data, the following chart outlines oil change estimates for eight popular makes and models:
Average cost for oil change by vehicle type
| Ford F-150 |
Between $135 and $155 |
| Toyota Camry |
Between $120 and $135 |
| Chevrolet Silverado 1500 |
Between $140 and $150 |
| Honda Accord |
Between $110 and $125 |
| Honda Civic |
Between $100 and $115 |
| Toyota Corolla |
Between $115 and $130 |
| Nissan Altima |
Between $100 and $120 |
| Honda CR-V |
Between $100 and $120 |
It's important to remember that these costs are estimated and do not include taxes and fees. Additionally, prices may vary depending on your state, location and service provider.
Furthermore, the type of oil you use can affect the price of the oil change service. Conventional oil is the most affordable, while full synthetic oil is the most expensive. However, if you want to balance price with performance, ask your mechanic if a synthetic oil blend is a good choice for your vehicle.
5 Signs Your Car Needs an Oil Change
Maintaining your engine with regular oil changes is crucial for longevity and performance. Here are five signs to watch out for that indicate it's time for an oil change:
Checking your vehicle's dipstick for low oil levels is an easy way to assess if you are due for a change. An oil level below the minimum mark can cause poor lubrication, increasing friction and engine damage.
2. Poor oil color and clarity
Clean engine oil is amber or light brown. However, it can become dirty and darken as it ages and accumulates contaminants. If the dipstick shows thick and gritty black oil, it's time for an oil change. Contaminated, old oil can lead to poor performance, decreased gas mileage and engine failure.
Expired oil can cause knocking, grinding or ticking sounds when the engine is operating and there's insufficient lubrication. Failing to replace the oil can cause the engine to seize.
If you notice a burning smell or exhaust smoke spewing from your tailpipe, this is a sign that your engine oil is dirty or too thin. Blue smoke is especially concerning because it can be a sign that the engine is burning oil or there's a leak, leading to expensive repairs if not addressed.
An easy way to know if your vehicle needs an oil change is by looking at the instrument cluster. If your car has an oil-life monitor, the system will detect low oil pressure or degradation and signal when an oil change is needed. Likewise, the check engine light may illuminate as well.
Consequences of Not Changing Oil Regularly
Not keeping up with your vehicle's oil change requirements can lead to several consequences:
Without proper lubrication, engine components can experience excessive friction and increased wear. This wear and tear can compromise the engine's performance and longevity, ultimately leading to significant and expensive mechanical issues.
Leaving motor oil in an engine for too long causes its additives to break down, leading to sludge formation and thicker oil. This slows down oil flow during startup, causing unnecessary wear and reducing engine efficiency. As a result, the engine may lose horsepower and fuel economy, leading to higher gas costs and increased emissions.
Inadequate engine oil fails to regulate engine temperature, leading to overheating issues and damaging engine components, including seals and gaskets. Regular oil changes are a wise investment to ward off the high cost of major engine repairs or a complete replacement.
Properly maintaining your vehicle's oil can help you avoid significant mechanical issues and ensure optimal engine performance by preventing excessive wear, reducing the risk of engine damage and improving fuel efficiency. By following manufacturer recommendations and understanding the factors that influence oil change intervals, you can help extend the life of your engine and your behind-the-wheel enjoyment.
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