Lexus NX 300 MPG and Fuel Economy
Lexus have been manufacturing models of NX 300 for 4 years, with the latest vehicle in 2021 having a combined MPG of 25.
The estimated fuel cost for the 2021 Lexus NX 300 is $2,950 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 $3,250 more on fuel driving a 2021 Lexus NX 300.
🛢 The Lexus NX 300 will consume roughly 12 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Lexus NX 300 will emit 359 grams of CO2, which is about 5,385,000 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 257 trees would be needed to offset emissions from the Lexus NX 300.
The table below is a complete list of the 4 Lexus NX 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 |
|---|---|---|
| 2021 Lexus NX 300 | 25 | $2,950 |
| 2020 Lexus NX 300 | 25 | $2,950 |
| 2019 Lexus NX 300 | 25 | $2,950 |
| 2018 Lexus NX 300 | 25 | $2,950 |
Link To or Reference This Page
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"Lexus NX 300 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/lexus/nx-300.
"Lexus NX 300 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/lexus/nx-300. Accessed January 3, 2026.
Lexus NX 300 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/lexus/nx-300.