Oil Change Guide: Conventional vs. Synthetic

When it’s time for your next oil change, you’ll likely face the decision between conventional and synthetic oil. What’s the difference? Which one is better for your engine? And how often do you need an oil change depending on the type you use? Whether you’re a seasoned car owner or a first-time driver in Shoreview, MN, staying on top of routine vehicle maintenance is key to keeping your ride running smoothly. One of the most essential services? An oil change.

In this guide, we’ll break down everything you need to know about conventional and synthetic oil, helping you make the best choice for your vehicle and driving habits.

Why Oil Changes Matter

Before we dive into the differences between oil types, let’s talk about why an oil change is so important.

Your engine is made up of numerous moving parts that generate heat and friction. Motor oil lubricates these components, helping reduce wear, carry away heat, and trap dirt and debris. Over time, oil breaks down and becomes less effective. If you neglect your oil change, your engine can overheat, wear out prematurely, and even fail entirely.

So, regular oil changes are crucial for:

Improving fuel efficiency
Protecting engine components
Maintaining performance
Extending engine life

Now let’s compare the two main types of oil used in today’s vehicles.

What Is Conventional Oil?

Conventional oil, also known as mineral oil, is derived directly from refined crude oil. It’s the standard motor oil that has been used for decades and works well for:

Older vehicles
Drivers with low to moderate mileage needs
Basic engines without high-performance demands

Pros of Conventional Oil:

Affordable: Typically costs less than synthetic oil
Widely available: Offered at nearly all service stations
Effective for basic driving: Suitable for stop-and-go or short-distance commutes

Cons of Conventional Oil:

Breaks down faster than synthetic oil
Less stable in extreme temperatures
Requires more frequent oil changes (usually every 3,000–5,000 miles)

What Is Synthetic Oil?

Synthetic oil is engineered in a lab using chemically modified base oils and additives to create a highly stable, uniform lubricant. It’s designed for maximum performance, even in extreme conditions.

Synthetic oil is ideal for:

High-performance or turbocharged engines
Drivers who experience extreme hot or cold weather
Long-distance commuters and frequent travelers

Pros of Synthetic Oil:

Longer-lasting: Can go 7,500 to 10,000 miles between oil changes
Better engine protection: Reduces engine wear and sludge buildup
Improved performance: Better viscosity at low and high temps
Cleaner operation: Burns cleaner, producing fewer deposits

Cons of Synthetic Oil:

More expensive: Higher up-front cost per oil change
May be excessive for older engines: Not always necessary for low-use or older cars

Synthetic Blend: A Third Option

If you’re looking for a middle ground, synthetic blend oil combines conventional and synthetic oils. It offers better performance and protection than conventional oil, without the full cost of a synthetic oil change.

Ideal for:
Drivers who want improved performance on a budget or who drive moderately long distances.

How to Choose Between Conventional and Synthetic Oil

Here are the most important factors to consider when choosing your next oil change:

1. Your Vehicle Type

Newer engines with turbochargers or high-performance specs generally require synthetic oil.
Older or high-mileage vehicles might still run well on conventional oil (unless your owner’s manual says otherwise).

2. Driving Habits

Long commutes, high speeds, and towing put more stress on your engine — synthetic is usually the better option.
Occasional city driving or short trips? Conventional oil may suffice.

3. Climate Conditions

Cold Minnesota winters and hot summers can affect oil performance. Synthetic oil is more stable across temperature extremes.

4. Budget

While synthetic oil is more expensive up front, its longer intervals between oil changes can save you money over time.

How Often Should You Get an Oil Change?

There’s no one-size-fits-all answer, but general guidelines are: Oil Change

Conventional oil: Every 3,000 to 5,000 miles
Synthetic oil: Every 7,500 to 10,000 miles
Synthetic blend: Every 5,000 to 7,500 miles

However, always refer to your vehicle’s owner’s manual and follow any manufacturer-specific recommendations. And if you notice symptoms like dark oil, loud engine noises, or the “Check Engine” light, don’t wait — get an oil change immediately.

Common Myths About Oil Changes

Myth 1: You Must Change Your Oil Every 3,000 Miles

This was true in the past, but modern engines and advanced oils — especially synthetic — often allow for much longer intervals.

Myth 2: Synthetic Oil Causes Leaks

Synthetic oil doesn’t cause leaks. It’s thinner and may highlight existing issues, but it won’t create them.

Myth 3: You Can’t Switch Back and Forth

Switching between synthetic and conventional oil is generally safe. If unsure, consult your technician.

The Bottom Line: Which Oil Is Right for You?

If you drive a modern car, cover long distances, or experience Shoreview’s extreme temps, synthetic oil is likely worth the investment. It offers better protection, performance, and longer intervals between oil changes.

If you drive less frequently, own an older vehicle, or are looking for a more budget-friendly option, conventional or synthetic blend oil might suit you just fine.

No matter what, don’t skip your routine oil change. Keeping your engine properly lubricated is one of the best (and most affordable) ways to extend your vehicle’s life.

Why Trust North Suburban BP for Your Next Oil Change?

At North Suburban BP in Shoreview, MN, we offer fast, professional oil change services using top-quality conventional, synthetic, and blend oils. Whether you’re just due for maintenance or unsure which oil is best for your car, our experienced technicians are here to help.

Why choose us?

We follow manufacturer-recommended oil specs
We inspect filters, belts, and fluid levels during every oil change
We offer clear guidance — no upsells, just what your car needs

Drop by our shop or schedule your next oil change online. Our team is proud to keep Shoreview drivers safe, one oil change at a time.

Final Thoughts

Understanding the difference between conventional and synthetic oil gives you the power to make smarter decisions about your vehicle. Whichever oil you choose, staying on top of your oil change schedule is one of the simplest ways to ensure your engine stays in peak condition for years to come.

Ready to book your oil change in Shoreview, MN? Visit North Suburban BP today — where service meets expertise.

Sources

Car and Driver – How Often Should You Change Synthetic Oil?
Outlines oil change intervals and modern engine recommendations.
https://www.caranddriver.com/shopping-advice/a27078539/synthetic-oil-change-interval/
Advance Auto Parts – Synthetic Oil Change Interval
Discusses change frequency and filter considerations.
https://shop.advanceautoparts.com/r/advice/car-maintenance/synthetic-oil-change-interval
AAA – Synthetic vs. Conventional Oil
Compares performance, longevity, and oil types in everyday driving.
https://www.aaa.com/autorepair/articles/synthetic-vs-conventional-oil-which-is-better-for-your-car
Castrol – Understanding Oil Types: Conventional vs. Synthetic vs. Semi-Synthetic
Offers a technical overview of oil formulations and their benefits.
https://www.castrol.com/en_us/united-states/home/learn/car-maintenance/conventional-vs-semi-vs-full-synthetic.html
Mobil – Synthetic Oil vs. Conventional Oil
Highlights how synthetic oil resists breakdown and reduces sludge.
https://www.mobil.com/en/lubricants/for-personal-vehicles/auto-care/all-about-motor-oil/synthetic-oil-vs-conventional-oil

Welcome to Tony's North Suburban BP