How Many Miles Should I Buy a Used Car

Choosing a used car with the right mileage is key to reliability and value. While under 100,000 miles is often ideal, modern vehicles can last well beyond—especially with good maintenance.

Key Takeaways

• Under 100,000 miles is generally safe: Most used cars with fewer than 100k miles offer a good balance of price, condition, and remaining lifespan.
• Modern cars last longer: Thanks to better engineering and materials, many vehicles now exceed 200,000 miles with proper care.
• Mileage isn’t everything: A well-maintained high-mileage car can be a better buy than a low-mileage one with poor service history.
• Check the maintenance records: Regular oil changes, timely repairs, and documented service greatly impact longevity.
• Consider your driving habits: If you drive mostly short trips or in stop-and-go traffic, lower mileage may be more important.
• Higher mileage can mean lower cost: Cars over 120,000 miles are often priced lower and still offer years of reliable service.
• Get a pre-purchase inspection: Always have a trusted mechanic inspect any used car, regardless of mileage.

How Many Miles Should I Buy a Used Car?

Buying a used car can feel like navigating a maze. There are so many factors to consider—price, model year, condition, and of course, mileage. But one question always pops up: *How many miles should I buy a used car?* It’s a fair concern. After all, mileage is often seen as the best indicator of a vehicle’s age and wear. But here’s the truth: while mileage matters, it’s not the only thing that determines whether a used car is a smart buy.

Think of mileage like the odometer on a pair of running shoes. Sure, 500 miles might mean they’re worn, but if you took care of them—cleaned them, stored them properly, rotated them with other pairs—they might still have plenty of life left. The same goes for cars. A high-mileage vehicle with a solid maintenance history can outlast a low-mileage one that’s been neglected. So instead of focusing solely on the number on the odometer, you need to look at the bigger picture.

In this guide, we’ll walk you through everything you need to know about choosing a used car based on mileage. We’ll break down the ideal mileage ranges, explain why modern cars last longer, and give you practical tips to make a smart decision. Whether you’re shopping for a compact sedan, a family SUV, or a rugged pickup, understanding how mileage affects value and reliability will help you drive away with confidence.

Understanding What Mileage Really Means

Mileage is the total distance a vehicle has traveled, measured in miles on the odometer. It’s one of the first things buyers look at when comparing used cars. But what does it actually tell you? At its core, mileage gives you a rough estimate of how much wear and tear the engine, transmission, and other components have endured.

Historically, 100,000 miles was seen as a major milestone—almost a “sell-by” date for cars. Once a vehicle hit six figures, many owners assumed it was time to trade it in. But that mindset is outdated. Thanks to advances in automotive technology, better manufacturing processes, and higher-quality materials, today’s cars are built to go the distance.

For example, a 2015 Honda Accord with 130,000 miles might run smoother and last longer than a 2005 model with only 80,000 miles. Why? Because the 2015 model benefits from improved engine design, better fuel injection systems, and more durable transmissions. So while mileage is important, it’s not the final word on a car’s condition.

How Mileage Affects Engine and Transmission Life

The engine and transmission are the heart and soul of any vehicle. They endure the most stress during operation, so mileage directly impacts their longevity. Generally, engines are designed to last between 150,000 and 200,000 miles—sometimes more. But that depends on how well they’ve been maintained.

For instance, regular oil changes every 5,000 to 7,500 miles help keep the engine clean and lubricated. Skipping these services can lead to sludge buildup, increased friction, and premature wear. The same goes for the transmission. Automatic transmissions rely on fluid to cool and lubricate internal components. If the fluid isn’t changed regularly, it breaks down and can cause shifting problems or even total failure.

So when evaluating a used car, don’t just look at the mileage—ask about the maintenance schedule. A car with 110,000 miles that’s had its oil changed every 5,000 miles and its transmission fluid flushed every 60,000 miles is likely in better shape than one with 70,000 miles and no service records.

Other Components Affected by Mileage

While the engine and transmission get most of the attention, other parts of the car also wear down over time. Suspension components like shocks and struts typically last between 50,000 and 100,000 miles. If a car has high mileage and a rough ride, it might need new suspension parts soon.

Brakes are another area to watch. Brake pads and rotors wear down with use, and high-mileage cars may need new ones. Tires also degrade over time, even if they haven’t been driven much. A set of tires older than six years—regardless of tread depth—can become brittle and unsafe.

Electrical systems, including sensors, wiring, and the battery, can also show signs of aging. Modern cars have complex electronics, and while they’re generally reliable, high mileage increases the chance of glitches or failures.

The Ideal Mileage Range for a Used Car

So, what’s the sweet spot for used car mileage? There’s no one-size-fits-all answer, but most experts agree that **under 100,000 miles** is a safe and smart range for most buyers. This mileage range typically offers a good balance between price, condition, and remaining lifespan.

Cars in the 60,000 to 80,000-mile range are often considered “low mileage” for their age, especially if they’re five to seven years old. These vehicles usually have plenty of life left and may still be under warranty. They’re also less likely to need major repairs in the near future.

But that doesn’t mean you should avoid cars with higher mileage. In fact, many reliable models can easily surpass 150,000 or even 200,000 miles with proper care. Brands like Toyota, Honda, Subaru, and Hyundai are known for building long-lasting vehicles. A 2018 Toyota Camry with 120,000 miles, for example, could easily last another 80,000 to 100,000 miles if it’s been well-maintained.

When Higher Mileage Makes Sense

There are times when buying a higher-mileage car is not only acceptable—it’s a smart financial move. For example, if you find a 2016 Ford F-150 with 140,000 miles priced $5,000 below market value, it might be worth considering. Trucks like the F-150 are built for durability and often rack up high mileage without major issues.

Similarly, if you’re on a tight budget and need reliable transportation, a car with 130,000 miles might be your best option. As long as it’s been cared for, it can still serve you well for several more years. The key is to focus on the overall condition, not just the number on the odometer.

When to Avoid High-Mileage Cars

That said, there are red flags to watch for. Avoid cars with extremely high mileage—say, over 180,000 miles—unless they come with detailed maintenance records and a clean inspection report. Even then, be prepared for potential repairs.

Also, be cautious with luxury brands at high mileage. Vehicles like BMWs, Mercedes-Benz, and Audis are more complex and expensive to repair. A 2014 BMW 3 Series with 150,000 miles might look good on paper, but a single transmission or electrical issue could cost thousands to fix.

Why Modern Cars Last Longer Than Ever

One of the biggest changes in the automotive world over the past two decades is the dramatic increase in vehicle lifespan. In the 1990s, a car with 100,000 miles was considered high mileage. Today, 100,000 miles is just the beginning for many models.

Several factors contribute to this shift. First, engines are now built with tighter tolerances and better materials. Components like pistons, crankshafts, and bearings are made from stronger alloys that resist wear. Second, fuel injection systems have replaced carburetors, leading to more efficient combustion and less engine strain.

Improved Manufacturing and Quality Control

Automakers have also improved their quality control processes. Computer-aided design and precision manufacturing ensure that parts fit together perfectly, reducing friction and vibration. This means less wear over time and longer engine life.

Additionally, modern cars are subjected to rigorous testing before they hit the road. Engineers simulate years of driving in a matter of weeks to identify potential failure points. This proactive approach helps catch problems early and leads to more reliable vehicles.

Better Maintenance Technology

Today’s cars are also smarter about maintenance. Many vehicles now come with maintenance reminder systems that alert you when it’s time for an oil change, tire rotation, or brake inspection. Some even connect to your smartphone and send notifications.

This technology helps owners stay on top of routine care, which is one of the biggest factors in extending a car’s life. A well-maintained modern car can easily reach 200,000 miles—and beyond.

How to Evaluate a Used Car Beyond Mileage

While mileage is important, it’s just one piece of the puzzle. To make a smart used car purchase, you need to look at the whole picture. Here are the key factors to consider:

Maintenance and Service History

Ask for maintenance records. A car with a complete service history—especially one with regular oil changes, brake inspections, and transmission services—is more likely to be reliable. Look for receipts, service logs, or digital records from dealerships or repair shops.

If the seller can’t provide records, that’s a red flag. It doesn’t necessarily mean the car is bad, but it makes it harder to assess its true condition.

Vehicle History Report

Always get a vehicle history report from services like Carfax or AutoCheck. These reports show accidents, title issues, odometer rollbacks, and previous owners. A clean report increases your confidence in the car’s background.

Pre-Purchase Inspection

Never skip a pre-purchase inspection. Have a trusted mechanic inspect the car before you buy. They’ll check the engine, transmission, suspension, brakes, and electrical systems. This inspection can uncover hidden problems and give you peace of mind.

Test Drive

Take the car for a test drive. Pay attention to how it accelerates, brakes, and handles. Listen for unusual noises, and check that all lights, signals, and electronics work properly. A smooth, quiet ride is a good sign.

Tips for Buying a High-Mileage Used Car

If you’re considering a car with over 100,000 miles, here are some tips to help you make a smart decision:

Choose a Reliable Make and Model

Stick with brands known for longevity. Toyota, Honda, Subaru, and Hyundai consistently rank high in reliability surveys. Models like the Toyota Corolla, Honda Civic, and Subaru Outback are known for lasting well over 200,000 miles.

Negotiate the Price

High-mileage cars should cost less. Use the mileage as a bargaining tool. If a similar low-mileage car sells for $15,000, a high-mileage version with 130,000 miles might be worth $11,000 to $12,000—depending on condition.

Budget for Repairs

Even well-maintained high-mileage cars may need repairs soon. Set aside $1,000 to $2,000 for potential fixes like new brakes, tires, or suspension parts.

Check for Recalls

Visit the National Highway Traffic Safety Administration (NHTSA) website to see if the car has any open recalls. If so, make sure they’ve been addressed.

Conclusion

So, how many miles should you buy a used car? The answer isn’t a single number—it’s a range based on condition, maintenance, and your needs. While under 100,000 miles is generally a safe bet, don’t automatically rule out higher-mileage vehicles. With today’s technology, many cars are built to last well beyond that mark.

The key is to look beyond the odometer. Focus on maintenance records, get a vehicle history report, and always have a mechanic inspect the car. A well-cared-for high-mileage car can be a better value than a neglected low-mileage one.

Ultimately, the best used car for you is one that fits your budget, meets your needs, and gives you confidence on the road. Whether it has 60,000 miles or 160,000, the right car is out there—waiting for you to find it.

Frequently Asked Questions

Is 120,000 miles too much for a used car?

Not necessarily. Many modern cars are built to last well beyond 120,000 miles, especially if they’ve been well-maintained. Brands like Toyota and Honda often reach 200,000 miles or more with proper care.

Should I avoid cars with over 150,000 miles?

Not always. If the car has a solid maintenance history and passes a pre-purchase inspection, it can still be a reliable choice. Just be prepared for potential repairs and budget accordingly.

Does higher mileage always mean higher repair costs?

Not always. A high-mileage car with regular maintenance may have fewer issues than a low-mileage one that’s been neglected. Maintenance history is often more important than mileage alone.

Can a used car last 300,000 miles?

Yes, it’s possible. Some vehicles, especially trucks and certain sedans, have been known to reach 300,000 miles with consistent care. Diesel engines and well-built gasoline engines can achieve this with proper upkeep.

Is it better to buy a low-mileage car that’s older or a newer one with higher mileage?

Generally, a newer car with higher mileage is a better choice. Newer models benefit from improved technology, safety features, and better fuel efficiency, even if they’ve been driven more.

How can I tell if a high-mileage car has been well-maintained?

Ask for service records, check for consistent oil changes, and look for signs of care like clean interiors and regular tire rotations. A pre-purchase inspection by a mechanic is the best way to verify condition.