Lexus · Small SUVs · Plug-in hybrid
Lexus NX Plug-in hybrid: MPG and annual fuel cost, 2025
The Lexus NX Plug-in hybrid was last rated in the data for model year 2025, at 36 MPG combined, 5th of 20 small SUVs, in the top quarter, ahead of 79% of the others.
- 36MPG combined5th of 20 in class
- $2,300a year in fueltied 6th of 20 in class
- 87g/mile CO2
Where it stands
Compared only with the plug-in hybrid models of its class it is 2nd of 6 plug-in hybrid small SUVs, in the top quarter, ahead of 80% of the others. The median of that narrower group is 32 MPG, against 26 MPG for all small SUVs together.
Across every class it is 3rd of 21 plug-in hybrid models, in the top quarter, ahead of 90% of the others.
In its class, just ahead of it is the Toyota RAV4 Plug-in hybrid at 38 MPG and just behind it is the Lexus RX Plug-in hybrid at 35 MPG.
A plug-in hybrid can run on its battery for a distance and then on fuel. The MPG, fuel cost and CO2 figures on this site are for running on fuel with the battery depleted, so a driver who charges often will use less fuel than shown.
Fuel cost and CO2
Assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon, fuelling the most efficient version comes to about $2,300 a year. That is $625 less than the small SUVs median of $2,925, which makes it tied for 6th of 20 small SUVs, in the upper half.
It emits 87 g of CO2 per mile from the tailpipe; the small SUVs median is 319.5, a difference of 232 g/mile.
Rated versions
It does better in town than on the road: 38 in the city against 33 on the highway, a gap of 5. The data lists one version for 2025: NX 450h Plus AWD: 2.5 L, 4 cyl hybrid, Automatic (AV-S6), AWD.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile | Electric range |
|---|---|---|---|---|---|---|
| NX 450h Plus AWD: 2.5 L, 4 cyl hybrid, Automatic (AV-S6), AWD | 36 | 38 | 33 | $2,300 | 87 | 37 |
Year by year
The Lexus NX Plug-in hybrid is in the data for 4 of the 8 model years from 2019 to 2026. Its best combined rating is 36 MPG in both 2022 and 2025.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2025 | 1 | 36 | 36 | $2,300 | 87 | 29 |
| 2024 | 1 | 36 | 36 | $2,300 | 87 | 28 |
| 2023 | 1 | 36 | 36 | $2,300 | 87 | 27 |
| 2022 | 1 | 36 | 36 | $2,300 | 87 | 26 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Toyota RAV4 | Gasoline | 30 | $2,250 | 2025 |
| Alfa Romeo Tonale eAWD | Plug-in hybrid | 29 | $2,300 | 2025 |
| Audi Q5 Hybrid | Hybrid | 26 | $3,150 | 2025 |
| Cadillac XT4 | Gasoline | 26 | $3,150 | 2025 |
| Infiniti QX55 | Gasoline | 25 | $3,300 | 2025 |
Rated almost identically and covered by this page:
- Lexus RX Plug-in hybrid 35 MPG, $2,350 a year, 1 version, last rated 2025
- Toyota RAV4 Plug-in hybrid 38 MPG, $1,750 a year, 1 version, last rated 2025
Compare and rank
Rankings: Small SUVs.
Data: US EPA and DOE, as prepared in methods and data.