2023 Buick Encore EPA Fuel Economy Summary

The 2023 Buick Encore delivers an EPA-certified 27–30 MPG combined (26–29 city / 29–32 highway depending on engine and drivetrain) across 3 configurations. Estimated annual fuel costs range from $2,050 to $2,300.

Combined MPG
27–30 MPG
55% city / 45% highway weighted
City MPG
26–29 MPG
Stop-and-go urban cycle
Highway MPG
29–32 MPG
Sustained open-highway test
Annual Fuel Cost
$2,050–2,300
EPA estimate @ 15,000 miles/yr

Official EPA Fuel Economy Ratings by Configuration (3 Variants)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined Annual Fuel Cost CO2 (g/mi)
Encore GX FWD Regular 1.2L 3-Cyl Gas Front-Wheel Drive Automatic (variable gear ratios) 29 MPG 31 MPG 30 MPG $2,050
Encore GX FWD Regular 1.3L 3-Cyl Gas Front-Wheel Drive Automatic (variable gear ratios) 29 MPG 32 MPG 30 MPG $2,050
Encore GX AWD Regular 1.3L 3-Cyl Gas All-Wheel Drive Automatic 9-spd 26 MPG 29 MPG 27 MPG $2,300
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

Fuel Cost per 25 Miles

$2.92–$3.24

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

500–556 Gallons

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.