BuickEncore GX2026Overview/buick/encore-gx/2026/base/

2026 Buick Encore GX

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 Encore GX.

Transmission Automatic 9-spd

The 2026 Buick Encore GX is a subcompact crossover equipped with a 9-speed automatic transmission, achieving EPA fuel economy ratings of 26 mpg city, 28 mpg highway, and 27 mpg combined; with a 9-speed automatic being a notable upgrade from the basic powertrain offerings in this segment, and the combined 27 mpg figure placing it competitively within its class. According to complaint data spanning model years 2020 through 2025, the Encore GX has demonstrated a marked improvement in reliability, with consumer complaints declining from a peak of 65 reports in 2020 to a low of just 13 in 2025. The 2026 model year thus represents the continuation of what appears to be an established downward trend in reported issues, suggesting that refinements implemented over recent years have meaningfully addressed earlier concerns and positioned this model among the more dependable options in its category.

Model year2026202520242023202220212020

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

EPA fuel economy26/28/27 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 9-spd

Dimensions & weight NHTSA vPIC

Overall length171.3 in
Overall width71.3 in
Overall height64.2 in
Wheelbase102.4 in
Curb weight3256 lb
Track (front / rear)61 / 61.8 in
Weight distribution (front / rear)60/40

Ratings & economy EPA / vPIC

EPA city / highway / combined26 / 28 / 27 mpg
DrivetrainAll-Wheel Drive
Passenger volume94 cu ft
Cargo volume24 cu ft
Recommended fuelRegular Gasoline

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

0
Open recalls
NHTSA campaigns
85
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 85 bulletins on record with NHTSA.

BulletinDateComponentSummary
PIT5966F2026-06-23Unknown Or OtherThis Preliminary information communicates an issue with an OTA pending message still…
PIP6120A2026-06-18Unknown Or OtherThis PIP communicates the potential for the engine to stall or stumble when coming out of…
PIC6637B2026-06-10Unknown Or OtherThis document is a technical bulletin regarding CarPlay issues in certain Buick and…
PIP6033B2026-06-08Unknown Or OtherThis Preliminary information communicates to technicians to remove the pulley assembly…
PIP6031E2026-06-05Unknown Or OtherThis PI addresses leaks from the case half and provides repair direction to dealer…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Encore GX. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2026 Encore GX have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Encore GX get?

EPA figures are 26 city / 28 highway / 27 combined mpg.