Lexus NX vs Buick Encore

The Lexus NX is the more efficient of the two: it reaches 40 mpg combined versus 31 mpg for the Buick Encore, a 9 mpg advantage and costs about $100 less per year to fuel.

Across 5 measured categories, the Lexus NX leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2026

Lexus NX

Small Sport Utility Vehicle 4WD · 58 configurations

40mpg combined (best)
All Lexus NX specs

2015–2026

Buick Encore

Small Sport Utility Vehicle 2WD · 47 configurations

31mpg combined (best)
All Buick Encore specs

Head-to-head specifications

MetricLexus NXBuick Encore
Best combined MPG40 mpg31 mpg
Best city MPG42 mpg30 mpg
Best highway MPG38 mpg33 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$1,900$2,000
Lowest CO2 output87 g/mi288 g/mi
Engines offeredSIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; PHEV, 2.5SIDI, SIDI; FFV, 1.4, SIDI; Stop-Start
TransmissionsAutomatic (AV-S6), Automatic (S8), Automatic (S6)Automatic 9-spd, Automatic (variable gear ratios), Automatic (S6)
DrivetrainsFront-Wheel Drive, All-Wheel DriveAll-Wheel Drive, Front-Wheel Drive
Fuel typesPremium, Regular, Premium and ElectricityRegular, Gasoline or E85
EPA classSmall Sport Utility Vehicle 4WDSmall Sport Utility Vehicle 2WD
Years covered2015–20262015–2026
Configurations on record5847

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

NX vs Encore: common questions

Which is better on gas, the Lexus NX or the Buick Encore?

The Lexus NX is the more efficient of the two: it reaches 40 mpg combined versus 31 mpg for the Buick Encore, a 9 mpg advantage and costs about $100 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Lexus NX runs about $1,900 a year in fuel at its most efficient configuration, versus about $2,000 for the Buick Encore — a difference of roughly $100 per year.

What engines do the NX and Encore offer?

Lexus NX: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; PHEV, 2.5. Buick Encore: SIDI, SIDI; FFV, 1.4, SIDI; Stop-Start.

Are they in the same vehicle class?

The EPA classifies the Lexus NX as Small Sport Utility Vehicle 4WD and the Buick Encore as Small Sport Utility Vehicle 2WD, so they aren't a like-for-like match on size.

More NX comparisons

Comparison id: lexus-nx-vs-buick-encore