Lexus NX 300h AWD MPG and Fuel Economy

Lexus have been manufacturing models of NX 300h AWD for 7 years, with the latest vehicle in 2021 having a combined MPG of 31.

The estimated fuel cost for the 2021 Lexus NX 300h AWD is $2,000 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 save $1,500 on fuel driving a 2021 Lexus NX 300h AWD.

🛢 The Lexus NX 300h AWD will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Lexus NX 300h AWD will emit 285 grams of CO2, which is about 4,275,000 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 204 trees would be needed to offset emissions from the Lexus NX 300h AWD.

The table below is a complete list of the 7 Lexus NX 300h AWD 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.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Lexus NX 300h AWD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/lexus/nx-300h-awd.

  • "Lexus NX 300h AWD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/lexus/nx-300h-awd. Accessed January 3, 2026.

  • Lexus NX 300h AWD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/lexus/nx-300h-awd.