Is the 2017 Lexus RX350 reliable?

The 2017 Lexus RX 350 is widely regarded as a dependable choice in the luxury SUV segment, backed by Lexus’ long-standing reputation for durable powertrains and low repair costs. In most reliability surveys, the RX 350 sits near the top of its class, making it a strong option for used-car shoppers when properly maintained.

When evaluating a used 2017 RX 350, reliability hinges on maintenance history, mileage, and prior ownership. This article draws on expert reliability ratings, owner reports, and practical maintenance guidance to help buyers understand what to expect and how to protect long-term value.

Vehicle specs

Engine and drivetrain

The 2017 RX 350 uses a 3.5-liter V6 engine paired with an 8-speed automatic transmission. All-wheel drive is available as an option, contributing to solid year-round performance and traction in various conditions. The powertrain is known for smooth operation and durability when serviced regularly.

Fuel economy and ride

Fuel economy is modest by non-luxury standards but competitive for a mid-size luxury SUV. The RX 350 prioritizes a quiet, comfortable ride and refined interior, with suspension tuning that emphasizes comfort and insulation from road imperfections.

Reliability ratings from experts

Independent reliability rankings from Consumer Reports, J.D. Power, and automotive outlets often place Lexus at the top of the luxury segment. The 2017 RX 350 benefits from that reputation, though the value is tempered by the age of the model and individual service histories.

• Consumer Reports and owner surveys typically rate Lexus SUVs, including the RX 350, highly for reliability, with low occurrence of major mechanical failures.


• J.D. Power reliability studies frequently rank Lexus near the top of the luxury SUV segment, reflecting durable powertrains and dependable transmissions.


• U.S. News & World Report and Car and Driver have highlighted the RX 350’s long-term durability in used-car evaluations, while noting that aging components can affect older examples.

Overall, reliability experts view the 2017 RX 350 as a durable choice within its class, provided the vehicle has good maintenance history and modest mileage.

What owners say

Owner feedback often echoes the positive reliability image, praising the RX 350’s comfortable ride, quiet cabin, and dependable performance. Some owners report aging-related issues common to seven-year-old luxury SUVs, especially in higher-mileage examples, but many still report reliable operation with regular service.

• Strong engine performance and a smooth eight-speed automatic contribute to dependable daily driving.


• Infotainment and navigation systems can be finicky on older software versions, leading to occasional glitches.


• Interior materials hold up well, though some drivers notice rattles or wind noise as miles accumulate.


• Maintenance and repair costs are higher than non-luxury brands, but routine service is generally straightforward when done at trained Lexus shops.

Taken together, owner experiences align with expert opinions: the RX 350 remains a reliable choice when well maintained and carefully inspected before purchase.

Maintenance, recalls, and costs

Preserving reliability in a 2017 RX 350 starts with a thorough pre-purchase inspection, a complete recall check, and a clear maintenance history. The model uses a timing-chain V6, reducing certain belt-related maintenance concerns, but it still benefits from routine service and prompt recall work.

• Verify that all recalls for the vehicle have been completed and that the vehicle has a clean recall history.


• Check service records for regular oil changes, brake and tire maintenance, and scheduled maintenance at the dealership or qualified mechanics.


• Inspect suspension components, brakes, and tires for wear, as mileage accumulates these parts can impact safety and ride quality.


• Plan for higher-than-average maintenance costs typical of a luxury SUV, including potential components like infotainment updates, brakes, tires, and suspension wear as the vehicle ages.

With diligent maintenance, the 2017 RX 350 can continue to deliver reliable service and hold its value well in the used market.

Bottom line for buyers

For buyers prioritizing reliability in a used luxury SUV, the 2017 Lexus RX 350 is a strong candidate. It combines Lexus’s durability with a comfortable, refined ride and solid resale value. The key to long-term reliability is a thorough pre-purchase inspection, a complete maintenance history, and ongoing adherence to recommended service intervals and recalls.

Summary

The 2017 Lexus RX 350 remains a dependable option in the used-luxury SUV category. Its durable powertrain and comfortable, quiet cabin contribute to strong reliability ratings, while aging components and maintenance needs require careful evaluation of each individual vehicle. Prospective buyers should insist on full service records, confirm recall work is completed, and budget for routine maintenance to maximize long-term reliability and value.

What year to stay away from Lexus RX 350?

Years to avoid for the Lexus RX 350 include 2007, 2008, 2010, 2016, and 2017 due to common problems like oil leaks, engine issues, brake failures, and faulty sensors. The 2010-2012 models are particularly prone to a ruptured oil cooler line that can cause engine failure, while the 2007-2009 models had issues with cracking dashboards and a faulty brake master cylinder. The 2016 and 2017 models saw recalls related to airbags and issues with rain sensors, notes CoPilot.
 
You can watch this video to learn about the history of the Lexus RX 350 and common problems in different generations: 1mThe Miles DrivenYouTube · Dec 22, 2024
Years to avoid and why

• 2007–2009: These models are known for cracking dashboards and a faulty brake master cylinder that can lead to brake failure. 
• 2010–2012: A common and severe problem with these years is the oil cooler line, which can rupture and lead to engine failure. 
• 2016–2017: The 2016 model year had airbag recalls and was the first year of a new generation, which can lead to early bugs. The 2017 model had issues with the rain sensor and wipers, in addition to having its own airbag recalls. 

What to look for instead

• 2011–2015: These models generally have fewer issues, with the 2013–2015 models in particular being noted as more reliable. 
• 2018–2022: Models from these years are considered more reliable, especially those with the redesigned exterior. 
• 2020–2022: These are considered among the most reliable years, with the 2020 model year being a good choice. 

This video discusses the best Lexus RX 350 years to buy: 59sThe Miles DrivenYouTube · Dec 18, 2024

How long will a 2017 Lexus RX 350 last?

A 2017 Lexus RX 350 can last between 250,000 and 300,000 miles or more with proper maintenance, which includes regular oil changes, fluid flushes, and timely part replacements. Factors like climate, driving conditions, and maintenance consistency significantly influence its lifespan, with some owners reporting over 300,000 miles.
 
Factors influencing longevity

• Maintenance: Adhering to a consistent maintenance schedule is crucial. 
  • Regular oil changes are essential. Some recommend changing the transmission fluid and filter every 50,000 miles to extend its life. 
  • Timely replacement of other fluids and filters is also key. 
• Driving habits: How you drive and where you drive affects wear and tear. 
  • City driving or harsh weather can put more stress on the vehicle than highway driving. 
• Repairs: Addressing issues promptly will prevent minor problems from becoming major ones. 
  • For example, some 2017 models had issues like timing chain cover leaks, which can be costly if not covered by a warranty or addressed promptly. 

What you can expect

• Engine and transmission: The Lexus RX 350 is known for its reliable engine. However, some mechanics suggest that the engine can last much longer than the transmission. Changing the transmission fluid is a key step in extending the life of both components. 
• Major components: As the vehicle ages, certain parts will naturally wear out and need replacement, such as suspension components, brakes, and battery. 
• Long-term reliability: While the average car lasts around 175,000 miles, the Lexus RX 350 often surpasses this significantly, and a well-maintained one can last much longer. 

Is the 2017 Lexus RX 350 reliable?

The 2017 Lexus RX 350 is considered a reliable vehicle, with many reviews giving it high marks for dependability, though some potential issues have been reported. Owners and critics praise its overall reliability, with some sources giving it a perfect 5.0 out of 5.0 rating, and its long-term durability is expected to be high. Potential owners should be aware of some reported problems, such as oil leaks, especially from the timing chain cover, and issues with the sunroof and exhaust system.
 
This video discusses the 2016-2022 Lexus RX models, including potential reliability issues: 59sDiscerning CarsYouTube · Feb 28, 2024
Reliability highlights

• High ratings: Many reviews praise the 2017 RX 350 for its reliability, with ratings often reaching 4.5 or higher out of 5. 
• Long lifespan: With proper maintenance, the Lexus RX can exceed the average lifespan of a vehicle, with the potential to reach 250,000 miles or more. 
• Strong reputation: The 2017 model is considered a strong contender in the used luxury SUV market due to its overall reliability and practicality. 
• Favorable engine: The 3.5L V6 engine in this model is often seen as a very reliable component. 

This video provides a review of the 2017 Lexus RX 350, highlighting its reliability: 51sAmerican Vs. ImportsYouTube · Jul 13, 2023
Potential issues to be aware of

• Oil leaks: Some owners have reported oil leaks, particularly from the timing chain cover, especially in higher-mileage examples. 
• Exhaust system: Issues have been reported with the exhaust, including leaks, drone, and problems with the catalytic converter. 
• Sunroof and backup camera: Some owners have reported issues with the sunroof and backup camera in this model generation. 
• Transmission: Some owners have experienced an occasional jerky or unrefined feel from the automatic transmission. 
• Brakes: There are reports of premature brake pad and rotor wear. 
• Steering: Some models in this generation have been noted for a lack of steering precision. 

Is the 2017 Lexus IS 350 worth buying?

Edmunds' Expert Rating. The 2017 IS 350 sits at the top of the automaker's entry-level IS luxury sedan lineup. It cedes sport-sedan ground to others in the segment, but its robust V6 power, high-quality interior trimmings and surprisingly smooth ride still make for a satisfying sedan.