How big is the gas tank on a 2024 Lexus RX 350h?
The gas tank on the 2024 Lexus RX 350h is 17.1 gallons (64.7 liters).
As Lexus’ hybrid-focused mid-size SUV, the RX 350h balances a practical fuel capacity with its efficiency-oriented drivetrain. The following details explain what this tank size means for daily driving and long trips.
Tank capacity and model-year specifics
The official specification from Lexus lists a 17.1-gallon fuel tank for the 2024 RX 350h. This capacity aligns with the RX lineup’s approach to providing a solid driving range while preserving the vehicle’s balance of weight and efficiency.
Notes for buyers
Manufacturers sometimes publish minor rounding differences or small variations by trim or production batch. In most cases, you can expect roughly 17.1 gallons in the tank, with real-world fill-ups influenced by driving style and conditions.
Here are the key takeaways about this tank size and how it affects ownership.
- Fuel-tank capacity: 17.1 gallons (64.7 liters).
- Design intent: matched to the RX lineup to balance range with hybrid efficiency.
- Real-world use: fuel economy of the RX 350h influences how often you’ll need to refill between long trips and daily commuting.
- Maintenance note: standard side-fill fuel door and typical fueling procedure for this model.
In short, the 17.1-gallon tank supports the RX 350h’s blend of practicality and efficiency for everyday driving and longer journeys.
Impact on range and fuel economy
EPA estimates for the 2024 RX 350h place the combined fuel economy in the mid- to upper-30s mpg range, depending on driving conditions and trim. With a 17.1-gallon tank, this translates to a solid overall driving range for a hybrid SUV, making it well-suited for both city commutes and weekend getaways.
Summary
In summary, the 2024 Lexus RX 350h comes with a 17.1-gallon (64.7-liter) fuel tank, a figure that complements its hybrid efficiency and mid-size SUV practicality. This tank size provides a balanced driving range, predictable refueling intervals, and the ability to cover both daily needs and longer trips with confidence.
How many miles per gallon does a Lexus RX 350h get in 2024?
37 city / 34 highway / 36 combined
2024 Lexus RX Hybrid MPG
Below, you'll find the Lexus RX Hybrid MPG estimates for each of the models: Lexus RX 350h AWD: 37 city / 34 highway / 36 combined* Lexus RX 500h AWD: 27 city / 28 highway / 27 combined*
How big is the gas tank on a 2024 Lexus RX 350 Hybrid?
17.2 gallon
17.2 gallon fuel tank capacity.
What is the weakness of the Lexus RX 350?
Common weaknesses of the Lexus RX 350 include older models having issues with engine oil leaks, cracking dashboards, and power steering leaks, while newer models report problems like transmission hesitation, infotainment system lag, and unexpected automatic emergency braking. Other potential weaknesses across various model years are rattling interior panels, poor fuel economy, and sometimes poor build quality or paint chipping.
Older models
- Engine oil leaks: The 2007 and 2010 models, in particular, are known for significant oil leaks, sometimes due to issues with the valve cover gasket or timing chain cover.
- Cracking dashboards: Some older models, especially around the 2007 model year, are prone to dashboards cracking.
- Power steering leaks: Early models sometimes experience power steering fluid leaks from the rack and pinion system.
- Rattling doors: Some owners reported rattling or loose front doors in certain model years, such as the 2010.
Newer models
- Transmission hesitation: Some drivers have reported jerky or hesitant shifts from the transmission, particularly in newer models.
- Infotainment issues: Problems include laggy or unresponsive screens and the navigation system not working correctly.
- Automatic emergency braking: The automatic emergency braking system has been reported to engage unexpectedly in some newer models.
- Engine and performance: Some recent reviews mention the engine being noisy for a luxury SUV, poor gas mileage, and a choppy ride.
Other potential issues
- Malfunctioning rain sensors: Some models have had issues with rain sensors and automatic wipers not working reliably.
- Paint quality: There have been complaints about the paint chipping easily on some newer models.
- Airbag warning light: Certain models, like 2007-2010 and 2013-2014, have issues with the airbag warning light, often related to sensors or a wet airbag module.
Does the 2024 Lexus 350h require premium gas?
The 2024 Lexus RX's Gas Requirements
Most 2024 and 2023 models require premium unleaded gas with an octane rating of 91 or higher. Models released between 2012 and 2022 use unleaded gasoline with an octane rating of 87 or higher. That means that while you can use premium gasoline in older RX models, it isn't required.
