How many miles can a 2010 Lexus IS 250 last?

With proper care, a 2010 Lexus IS 250 can routinely reach around 200,000 miles or more. In real-world usage, many owners report crossing the 250,000-mile mark, and a notable share push past 300,000 miles with diligent maintenance.

The core question for buyers and current owners is how long this luxury sedan remains reliable as it ages. The answer depends on how well the car has been cared for, the conditions in which it’s driven, and how proactively aging components are addressed.

What factors influence longevity

These factors shape how far a high-mileage IS 250 can go. While some cars can sit idle and still run, a disciplined maintenance routine, sensible driving, and timely repairs tilt the odds toward longer life.

• Maintenance history and adherence to service intervals


• Driving conditions and usage patterns (highway cruising vs. frequent short trips, towing)


• Climate and road conditions (extreme heat or cold, road salt, humidity)


• Quality of parts used in repairs and the skill of the technician


• Regular tire, brake, and suspension care to reduce drivetrain stress

In short, consistent upkeep and addressing issues early are the most reliable predictors of long life for the IS 250.

Maintenance steps that help maximize lifespan

To push the mileage higher, owners should follow the vehicle’s maintenance schedule, monitor fluid quality, and replace worn parts before they fail.

• Regular engine oil changes with a high-quality synthetic oil (commonly every 5,000–7,500 miles, depending on driving and oil specification)


• Oil filter replacement with every oil change


• Air filter and cabin air filter replacements as conditions dictate


• Spark plugs typically around 100,000–120,000 miles, depending on plug type and driving conditions


• Coolant system service with coolant replacement approximately every 5–10 years or ~100,000 miles


• Transmission fluid inspection and service per the owner's manual (often around 60,000–100,000 miles depending on usage)


• Brake system maintenance, including pads, rotors, and fluid, to prevent drag and heat buildup


• Cooling system hose and radiator inspection to prevent leaks and overheating


• Timely replacement of worn belts, hoses, and water pump as needed


• Rust prevention and periodic inspection for signs of corrosion in regions with harsh winters

Sticking to these maintenance practices helps preserve the engine, transmission, and suspension—key factors in achieving higher mileage for the IS 250.

What to watch as the car ages

Even with careful upkeep, aging components can emerge. Owners should stay vigilant for signs of wear and address them promptly to avoid expensive failures.

Engine and transmission wear

Listen for unusual knocking, rough idling, or loss of power. Regular maintenance reduces the risk of major engine or transmission failures, and maintaining oil and transmission fluid services is essential.

Electrical system and sensors

Age can bring intermittent sensor or electrical problems, including warning lights, battery drain, or failing alternators. Many of these issues are manageable with timely diagnostics and part replacement.

Cooling, suspension, and brakes

Cooling system failures, worn shocks or struts, and brake system wear are common age-related concerns. Regular cooling system checks, tire rotation, alignment, and brake service help maintain reliability.

Real-world outlook

Automakers rarely guarantee a fixed lifespan, and results vary. The IS 250’s reputation for durability—shared across Toyota and Lexus—means that with attentive care, reaching the 200,000-mile milestone is a credible expectation for many owners. Some cars with thorough maintenance records and moderate usage have logged well beyond 300,000 miles.

Summary

The 2010 Lexus IS 250 can last many miles with proper care. Its longevity hinges on maintenance discipline, driving conditions, and timely repairs. By following recommended service intervals, inspecting components early, and replacing worn parts before they fail, owners can maximize the vehicle’s lifespan and enjoy many years of reliable use.

Is the 2010 Lexus IS 250 reliable?

The 2010 Lexus IS250 is generally considered reliable, with high ratings from consumers and professional organizations. However, potential buyers should be aware of issues like carbon buildup in the direct-injection engine and some common problems such as electrical issues and accessory malfunctions, which can be mitigated with proper maintenance and occasional hard driving.
 
This video reviews the 2010 Lexus IS250 Convertible: 59sShooting CarsYouTube · Jul 18, 2025
Overall reliability

• High ratings: The 2010 IS250 receives high reliability scores, ranking highly among luxury midsize cars and being well-regarded by owners. 
• Strong performance: J.D. Power gave the model an 85/100 for quality and reliability. 

Common issues and maintenance

• Carbon buildup: The direct-injection engine can suffer from carbon buildup on the intake valves. To prevent this, perform regular full synthetic oil changes, always replace the filter, and occasionally drive the car more aggressively to help clean the valves. 
• Electrical problems: Some owners report issues with things like the backup camera, display screen, and window switches. 
• Accessory malfunctions: Problems with the blower motor, catalytic converter, and rear-view mirror discoloration have been reported. 
• Suspension and axles: As with many older cars, you may encounter issues with the rear suspension or leaking rear axles, but these are often not severe. 

This video discusses the potential issues with the Lexus IS250, including carbon buildup: 1mBern on CarsYouTube · Mar 24, 2025
Recommendations

• If you're buying a used 2010 IS250, check that its carbon buildup has been managed by the previous owner through proper maintenance. 
• Look for a car with a documented maintenance history, especially if it shows evidence of regular full synthetic oil changes.
• Be prepared for potential electrical or accessory-related repairs, although these are not guaranteed to occur. 

This video provides a review of the Lexus IS250 with over 200k miles: 55sDiscerning CarsYouTube · Aug 21, 2020

Should I buy a Lexus with 200k miles?

Yes, you should consider buying a Lexus with 200k miles, but only after a thorough inspection by a mechanic and a review of its maintenance history. While Lexus vehicles are known for their longevity and ability to last beyond 200k miles, the car's condition and how well it has been maintained are the most crucial factors. 
Why you should consider it

• Lexus reputation: Lexus cars are built to last, and many owners report their vehicles exceeding 200,000 miles and still running well. 
• Maintenance is key: A car with 200k miles can be a good value if it has a complete service history showing regular maintenance, even if it's not perfect. 
• Potential for long life: Even at 200k miles, a well-maintained Lexus can have many more miles left, sometimes reaching over 300,000 miles. 

What you should do before buying

• Get a pre-purchase inspection: Have a trusted, independent mechanic (preferably one familiar with Lexus or Toyota) perform a thorough inspection to identify any current or future issues. 
• Review the maintenance records: Look for a consistent history of oil changes and other recommended services. If the records are missing or spotty, it's riskier. 
• Consider the price: Make sure the asking price is appropriate for a vehicle with high mileage and its current condition. 
• Factor in potential repair costs: Be prepared for potential repairs. Even with a Lexus, parts will eventually need to be replaced, such as the alternator, water pump, or suspension components. 
• Check the VIN: Run a vehicle history report to check for any red flags, such as accident history or title issues. 

How many miles is a Lexus IS 250 good for?

A Lexus IS250 can last for 200,000 to over 300,000 miles with proper and consistent maintenance. Its longevity depends heavily on regular oil changes, using quality parts, and addressing issues like carbon buildup, as highlighted by the brand's reputation for reliability. 
Factors that determine longevity

• Consistent maintenance: Sticking to a regular maintenance schedule, including oil changes, is the most crucial factor for reaching high mileage. 
• Quality parts: Using genuine Lexus or OEM parts for repairs can help maintain the vehicle's original reliability. 
• Addressing specific engine issues: The IS250's direct-injection engine is prone to carbon buildup, which can affect performance over time. Regular cleaning and maintenance are essential to prevent this. 
• Driving and environmental conditions: Harsh driving conditions or environments can impact a vehicle's lifespan. A history of fewer accidents and damage also contributes to a longer life. 

What owners can expect

• Many owners report their IS250s exceeding 200,000 miles with proper care. 
• Reaching 300,000 miles or more is achievable with dedicated maintenance and attention to potential issues. 
• At around 150,000 miles, owners should be prepared for potential replacements of parts like the water pump and timing chain, which can be a significant part of the vehicle's long-term care plan. 

How many miles will a 2010 Lexus Is250 last?

138,469miles
Did you know, the longest lasting Lexus Is250 is the 2010 Petrol with an average lifespan of 138,469miles.