How long do Lexus IS 250 last?

Typically, a well-maintained Lexus IS 250 can run well beyond 200,000 miles, and many reach 250,000 miles or more with attentive upkeep.

The Lexus IS 250, a compact luxury sedan produced primarily from 2006 to 2013 in most markets, is known for reliability and longevity. This article examines how long the model lasts, what factors influence its lifespan, and how owners can maximize the car’s durability through maintenance, driving habits, and informed buying decisions.

Lifespan expectations and what affects it

Several core factors determine how long an IS 250 remains reliable on the road. Understanding these helps gauge a realistic lifespan for a given example.

Several core factors determine how long an IS 250 remains reliable on the road. Understanding these helps gauge a realistic lifespan for a given example.

• Maintenance history: Regular oil changes, transmission/coolant fluid servicing, spark plug replacement, belts, hoses, and cooling system care are essential. Following Lexus-recommended service intervals generally supports longer life.


• Driving style and environment: Consistent highway driving and mild climates tend to reduce wear compared with frequent short trips, aggressive driving, or harsh conditions (extreme heat, road salt, or heavy vibrations).


• Aging components: As with any aging vehicle, suspension bushings, rubber hoses, brakes, and electrical components age and may require sooner attention on higher-mileage examples.


• Model year and build quality: While the IS 250 shared a reliable platform, individual years and vehicles can vary based on assembly tolerances and maintenance history.

In practice, longevity depends on how well the car was cared for, how it was driven, and how promptly aging parts were addressed. A documented maintenance history and a clear inspection can provide a reliable forecast of remaining life.

Expected mileage milestones

Owners and technicians often observe certain mile­age ranges where maintenance needs become more pronounced. The following milestones are common reference points for IS 250s with solid upkeep.

1. 60,000–100,000 miles: Routine service items become more noticeable; expect to monitor spark plugs, fluids, and brakes, and plan for preventive maintenance.


2. 100,000–150,000 miles: Cooling system components, hoses, belts, and possible suspension wear warrant closer inspection; keep up with regular service to prevent issues.


3. 150,000–200,000 miles: Suspension, steering components, and wear items like tires and brakes may require more frequent attention; consistent maintenance helps preserve ride quality and safety.


4. 200,000+ miles: Many IS 250s remain reliable with proactive maintenance; owners may face more substantial repairs or replacements as aging parts accumulate, but the car can still be a dependable daily driver with proper care.

These ranges are general guides. Actual outcomes depend on maintenance quality, climate, and driving habits. Diligent upkeep can extend the car’s useful life beyond these milestones.

Model-specific considerations for the IS 250

Engine and drivetrain reliability

The IS 250 uses a robust V6 engine mounted in a compact, weight-conscious chassis. When maintained on schedule—regular oil changes, cooling system care, and attention to belts, hoses, and exhaust—the engine can deliver long service life. The timing mechanism in this generation is chain-driven, which reduces the likelihood of timing-belt failures, though tensioners and guides can wear over time and may require inspection at higher mileages.

Transmission and electronics

Most IS 250s employ a traditional automatic transmission that holds up well with proper fluid maintenance and service history. Irregular shifting, slipping, or delayed engagement can indicate wear inside the transmission or low/contaminated fluid and should be addressed promptly. Electronics age with the car, so issues with sensors, battery health, and infotainment components can appear in higher-mileage examples.

Parts availability and cost

Because the IS 250 shares platforms and components with other Lexus models, parts are generally accessible and priced within the typical luxury-brand range. Proactive maintenance helps keep ownership costs predictable, but expect typical wear items—tires, brakes, suspension components, and cooling-system parts—to recur over time. Used or refurbished parts can be a practical option for higher-mileage vehicles.

Summary

The Lexus IS 250 is regarded for its durability within the compact luxury segment. With diligent maintenance and sensible driving, many examples surpass 200,000 miles, and a number of owners report reaching or exceeding 250,000 miles. Longevity hinges on maintenance history, driving conditions, and timely replacement of aging components. For buyers evaluating a used IS 250, reviewing service records, inspecting the engine and transmission condition, and budgeting for preventive maintenance can help maximize the vehicle’s lifespan.

What is the life expectancy of a Lexus is?

A Lexus IS can last between 200,000 and 300,000 miles or more with proper, consistent maintenance. The specific lifespan depends on the model year and driving conditions, but routine service such as oil changes, fluid flushes, and timely part replacements are crucial for achieving longevity. For example, some sources estimate an average lifespan of 182,995 miles for the IS 300/350, while others suggest 200,000–300,000 miles is achievable. 
Factors influencing lifespan

• Maintenance: Following the owner's manual for routine oil changes, fluid flushes (like transmission, brake, and coolant), and other service is the most critical factor for longevity. 
• Driving habits: Avoiding stop-and-go traffic and other strenuous driving conditions can help extend the vehicle's life. 
• Engine type: Hybrid models like the CT200h have shown the ability to exceed one million miles with proper care, often due to the efficiency of the hybrid system. 
• Part quality: Using genuine or high-quality aftermarket parts for replacements can help ensure long-term durability. 

Tips for maximizing your Lexus IS's lifespan

• Follow the maintenance schedule: Adhere strictly to the service intervals outlined in the owner's manual for all fluids, filters, and other components. 
• Change engine oil regularly: Use a high-quality full synthetic oil and change it every 5,000 miles, ensuring the oil filter is replaced with every oil change. 
• Service the transmission fluid: For all-wheel drive models, replace the rear differential and transfer case fluid every 30,000 miles. Perform automatic transmission fluid changes every 60,000 miles. 
• Use quality parts: Avoid aftermarket parts that are not as durable as original equipment manufacturer (OEM) parts. This applies to everything from spark plugs to sensors. 
• Drive mindfully: Avoid excessive acceleration and hard braking when possible, especially in stop-and-go traffic. 

What year Lexus IS 250 to stay away from?

A: While the Lexus IS 250 is generally a reliable vehicle, the 2007 and 2008 model years are the ones you should avoid if possible. These two years have more reported issues compared to other model years, though they still perform better than the worst years of many other vehicle models.

Are Lexus IS 250 reliable cars?

The Lexus IS250 is generally considered a reliable car, with a good reliability rating of around 4.0 to 4.8 out of 5. Its reliability is especially strong if basic maintenance is followed, though a key weakness to be aware of is a potential issue with carbon buildup in the engine, which can lead to problems if not addressed. Other potential issues include aging plastic components, but these are typically superficial and don't impact the car's mechanical performance.
 
This video discusses common problems and overall reliability of the Lexus IS250: 59sReDrivenYouTube · Jan 14, 2024
Positive aspects 
This video highlights the positive ownership experience and reliability of the Lexus IS250: 48sLife with SondurenYouTube · Nov 22, 2022

• High reliability ratings: The IS250 consistently receives high reliability scores from different sources, often ranking well for its class. 
• Lower ownership costs: The average annual repair cost is around $487, which is lower than average and means ownership can be more affordable. 
• Durable engine: Despite a specific vulnerability, the engine is generally considered to be very high quality and can last well over 100,000 miles with proper care. 
• Other positive features: Many owners praise the IS250 for its comfortable ride, solid construction, and overall smooth performance. 

Potential issues

• Carbon buildup: A major issue is carbon buildup on the direct-injection engine, especially in second-generation models, due to unburnt fuel. This can be exacerbated by using regular gasoline or excessive idling and may cause misfires and other drivability problems. Addressing this can include using a fuel system cleaner or ensuring you use high-octane fuel, according to Reddit users. 
• Aging plastics: Over time, plastic components like dashboard pieces or side moldings can degrade, crack, or come loose. While this is a common issue for this generation of car, it's largely a cosmetic concern. 
• Other complaints: Other less common complaints include discolored rearview mirrors, a clicking noise from the rear suspension, and issues with the GPS or radio software. 

This video discusses the major issues of carbon buildup in the Lexus IS250: 1mBern on CarsYouTube · Mar 24, 2025
What to do

• Perform regular maintenance: Following the recommended maintenance schedule is crucial, especially for oil changes, to help prevent engine issues. 
• Use high-octane fuel: Using high-octane fuel can help minimize carbon buildup on the engine. 
• Consider newer models: Later models, particularly those made after 2010, are less likely to have the carbon buildup and "melting dash" problems, notes a Reddit user. 
• Check for existing problems: When buying a used IS250, check for signs of carbon buildup and be prepared to address it. A mechanic can perform a thorough inspection. 

How many miles can you put on a Lexus IS 250?

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.