Infiniti vs Lexus: Reliability Comparison

Infiniti vs Lexus Reliability

Infiniti has garnered a lot of popularity for its growing reliability, amazing designs, and unique performance. However, does it stand a chance against Lexus? Are they more reliable than Lexus?

In terms of reliability, Lexus is better than Infiniti. With Lexus, you are getting higher reliability ratings, higher safety ratings, more reliability, and a higher luxury and interior design standard.

The case of design reliability can vary across the different models of these brands, but you will get cheaper repair and maintenance costs from Lexus compared to Infiniti.

Although Infiniti offers better warranty coverage, you get more overall value from Lexus. Both brands ' gas mileage and engine performance are relative, depending on your chosen model.

Here's a detailed comparison of the Lexus vs. Infiniti reliability to guide you through making better market decisions.

Infiniti vs. Lexus Reliability: A Detailed Comparison

Gas Mileage
Minimalistic, warmth, and human-connection 
Sophisticated, elegant, emotional, bold
Repair and Maintenance Cost
High Safety Ratings
Higher Safety Ratings
Engine and Performance
Infiniti cars have an average lifespan of 15-20 years and an extended mileage of 200,000 to 300,000 miles.
Lexus cars last up to 200,000 to 300,000 miles, with an average lifespan of 16 to 20 years.

Infiniti vs. Lexus Reliability: Which Is Better?

Infiniti has maintained an impressive ride in the tides of reliability; however, it is obvious that Lexus is better. Before we proceed with providing you with information that confirms the reliability of both brands, you must understand that Lexus' higher reliability doesn't imply that Infinitis are bad cars.

According to RepairPal, Lexus has a 4.0/5.0 ranking, placing 7th out of 32 car brands, while Infiniti ranks 16th out of 32 with a Reliability rating of 3.5/5.0.

On the 2022 JD Power Dependability survey, Lexus has higher dependability scores with only 159 problems per 100 vehicles, earning the position of the 6th most dependable car brand. This is compared to Infiniti, which falls below average with 228 problems per 100 vehicles.

The 2022 Consumer Reports Survey places Lexus above Infiniti. Lexus is the second most reliable car, while Infiniti isn't graded for its reliability due to low model count or insufficient data.

Irrespective of the fact that Lexus beats Infiniti with better reliability ratings, it is important to mention that you need more than just reliability ratings to decide a brand's reliability.

One of the peculiar differences between the reliability of Infiniti and Lexus vehicles is how much it costs to keep those cars running. With Lexus, you get cheap repair and maintenance costs; however, Infiniti offers better warranty coverage.

Infiniti offers a comprehensive 4-year/60,000-mile warranty and a 6-year/70,000-mile powertrain warranty coverage. This is unlike Lexus, which offers a 48-month/50,000-mile basic warranty and a 72-month/70,000-mile powertrain warranty.

Infiniti does better with its basic warranty, and this can translate to saving a couple of dollars on repairs.

Aside from warranty and repair costs, Lexus has higher safety ratings. You are getting more resale value on Lexus vehicles and also a better standard of interior designs with luxurious elements. However, these differences can vary based on the model and trim levels you choose from any of these brands.

Infiniti vs. Lexus Reliability: Design

Design is another essential factor that many luxury car buyers consider when choosing between different brands. The reliability of a brand's design goes beyond how beautiful its exteriors are. You should consider the build quality, standard of luxury in the interiors, and approaches employed in the engineering of these cars.

Design philosophies vary across different models, so it is greatly impossible to get similar standards on Lexus and Infiniti vehicles. Even though both brands are Japanese and it’s expected for them to employ Japanese engineering principles, the mechanisms are different.

For Infiniti, designs are always about producing something daring, human and progressive.

Infiniti vehicles are known for their sleek and modern design, with a focus on luxury and elegance. These vehicles are structured to stir emotions, build a connection between users and their cars, and deliver warmth.

Wood, leather, metal, bold grille, lines, and thread are all elements interwoven to create a balance between appeal and luxury.

Lexus's designs tilt towards building something brave, different, directional, and emotion-stirring. From the car styling to the interior designs, Lexus employs provocative perspectives.

Lexus' design philosophy centers on the need to build vehicles that address the future — forward-thinking designs plus technology and style.

Aside from how both brands address aerodynamics, style, and beauty, let's look at cargo and passenger space. The cargo and passenger space differences depend on the model and trim level you choose.

For instance, the 2022 Infiniti QX80 beats the 2022 Lexus LX with more cargo volume, but the 2022 Lexus GX 460 has more rear headroom than the 2023 Infiniti QX80. These differences are particular across these brands' different cars and SUVs.

Winner: Both

Infiniti vs. Lexus Reliability: Engine and Performance

When it comes to engine and performance, Infiniti and Lexus offer powerful and reliable engines. However, there are peculiarities in their approach to speed and power.

Infiniti's vehicles are known for their powerful engines, offering smooth and effortless acceleration. Lexus isn't left out in the need for power and acceleration, but the brand has more emphasis on a balanced driving experience.

These differences offer varying figures in their gas mileage and horsepower. For instance, the 2022 Lexus LX beats the 2022 Infiniti QX80 with better gas mileage and horsepower. But the 2023 Infiniti QX80 beats the 2022 Lexus GX460 with better gas mileage and horsepower.

You are getting 400hp on the Infiniti QX80, whereas the Lexus GX460 gets 301 hp, although Lexus LX takes a huge leap with 409hp.

These differences are also peculiar with the 2023 Infiniti QX50 vs. the 2022 Lexus RX 350. Lexus RX 350 gets 295 hp whereas Infiniti QX50 gets 268hp. Unfortunately, the Infiniti QX50 beats the Lexus RX 350 with better gas mileage.

For you to make better choices, you should study your preferred model to decide if they align with your choice.

Winner: Both

Infiniti vs. Lexus Reliability: Safety and Technology

Whether you are choosing an Infiniti or a Lexus, you have a certain level of assurance that you are safe. However, the safety ratings are not the same for both brands. Lexus has higher safety ratings than Infiniti.

Lexus has six vehicles earning the 2022 IIHS Top Safety Pick (+) award, whereas Infiniti has only one vehicle. Irrespective of the fact Lexus has higher safety ratings than Infiniti, it is important to understand the Safety features offered by these brands.

From the use of LATCH systems to navigation systems, you are getting driver assistance systems and child protection technology. The safety features of Infiniti vehicles include:

  • Backup Collision Intervention
  • Direct Adaptive Steering
  • Lane Departure Warning and Prevention
  • Active lane Control
  • Predictive Forward Collision Warning
  • Intelligent Park Assist

The safety features in Lexus vehicles include:

  • Pre-Collision system
  • Lane assistance
  • Intelligent high beams
  • Dynamic radar cruise control
  • Road sign assist

In terms of technology, both brands offer advanced infotainment systems with smartphone integration and touchscreen displays; Android Auto, Apple CarPlay, etc. You must understand that these features vary greatly depending on your selected model and trim level.

Winner: Lexus

Infiniti vs. Lexus Reliability: Gas Mileage

Engine performance isn't complete without comparing the gas mileage that these brands offer.

Whether you are choosing Infiniti or Lexus, you are getting a decent level of gas mileage. However, the differences vary depending on the model that you choose.

Because of this, it is hard to decide which of these brands has better gas mileage. For instance, the 2022 Lexus LX gets gas mileage of 17/22 MPG compared to the 2022 Infiniti QX80 gets 13/20 MPG.

However, it's a different case for the 2023 Infiniti QX50 vs. the 2022 Lexus RX 350. The Infiniti gets a gas mileage of 23/29 MPG, while the Lexus gets a gas mileage of 20/27 MPG.

It is obvious that the gas mileage that you'll get from Lexus and Infiniti depends on the model that you select. Don't forget that there are slight variations in the trim levels and configurations of each model.

Winner: Both

Infiniti vs. Lexus Reliability: Repair and Maintenance Costs

The cost of repairs and maintenance is another important factor when choosing a luxury car brand. You wouldn't want to spend your entire savings on a car. Nevertheless, it is cheaper to repair and repair and maintain a Lexus than an Infiniti.

According to RepairPal, the average annual repair cost for a Lexus is $551, while the average annual repair cost for an Infiniti is $638.

With Lexus, you get an 8% probability of major repairs and a 0.5 chance of visiting the repair shop. Still, Infiniti gets you an average 0.7 chance of visiting the repair shop and a 10% probability of major repairs.

Winner: Lexus


It is obvious that Lexus is more reliable than Infiniti. You are getting cheaper repair and maintenance costs from Lexus, better safety ratings, and higher durability standards.

The delivery of power and gas mileage depends greatly on the model that you choose. This includes the level of driving experience that you will get from these brands. It is important that you test-drive the model that you wish to buy to have a real-time experience of what to expect after buying them.