Lexus RX 300 MPG and Fuel Economy

Lexus have been manufacturing models of RX 300 for 5 years, with the latest vehicle in 2003 having a combined MPG of 18.

The estimated fuel cost for the 2003 Lexus RX 300 is $3,500 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $6,000 more on fuel driving a 2003 Lexus RX 300.

🛢 The Lexus RX 300 will consume roughly 17 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Lexus RX 300 will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Lexus RX 300.

The table below is a complete list of the 5 Lexus RX 300 fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

Vehicle Combined MPG Fuel Cost
2003 Lexus RX 300 18 $3,500
2002 Lexus RX 300 18 $3,500
2001 Lexus RX 300 18 $3,500
2000 Lexus RX 300 19 $3,300
1999 Lexus RX 300 19 $3,300

Link To or Reference This Page

We spend a lot of time collecting, cleaning, merging, and formatting the data that is shown on the site to be as useful to you as possible.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference MPG Buddy as the source. We appreciate your support!

  • "Lexus RX 300 MPG and Fuel Economy". MPG Buddy. Accessed on October 3, 2022.

  • "Lexus RX 300 MPG and Fuel Economy". MPG Buddy, Accessed 3 October, 2022

  • Lexus RX 300 MPG and Fuel Economy. MPG Buddy. Retrieved from