2026 BMW 4 Series EPA Fuel Economy Summary

The 2026 BMW 4 Series delivers an EPA-certified 27–31 MPG combined (24–28 city / 31–36 highway depending on engine and drivetrain) across 12 configurations. Estimated annual fuel costs range from $2,450 to $2,800.

Combined MPG
27–31 MPG
55% city / 45% highway weighted
City MPG
24–28 MPG
Stop-and-go urban cycle
Highway MPG
31–36 MPG
Sustained open-highway test
Annual Fuel Cost
$2,450–2,800
EPA estimate @ 15,000 miles/yr

Official EPA Fuel Economy Ratings by Configuration (12 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)
430i Coupe Premium 2L Hybrid Rear-Wheel Drive Automatic (S8) 28 MPG 36 MPG 31 MPG $2,450 —
430i xDrive Coupe Premium 2L Hybrid All-Wheel Drive Automatic (S8) 27 MPG 34 MPG 30 MPG $2,550 —
430i Convertible Premium 2L Hybrid Rear-Wheel Drive Automatic (S8) 27 MPG 35 MPG 30 MPG $2,550 —
M440i Coupe Premium 3L Hybrid Rear-Wheel Drive Automatic (S8) 27 MPG 34 MPG 30 MPG $2,550 —
430i Gran Coupe Premium 2L Hybrid Rear-Wheel Drive Automatic (S8) 27 MPG 35 MPG 30 MPG $2,550 —
M440i xDrive Coupe Premium 3L Hybrid All-Wheel Drive Automatic (S8) 26 MPG 33 MPG 29 MPG $2,600 —
M440i Convertible Premium 3L Hybrid Rear-Wheel Drive Automatic (S8) 27 MPG 33 MPG 29 MPG $2,600 —
430i xDrive Gran Coupe Premium 2L Hybrid All-Wheel Drive Automatic (S8) 25 MPG 34 MPG 29 MPG $2,600 —
430i xDrive Convertible Premium 2L Hybrid All-Wheel Drive Automatic (S8) 24 MPG 33 MPG 28 MPG $2,700 —
M440i xDrive Convertible Premium 3L Hybrid All-Wheel Drive Automatic (S8) 25 MPG 32 MPG 28 MPG $2,700 —
M440i Gran Coupe Premium 3L Hybrid Rear-Wheel Drive Automatic (S8) 26 MPG 32 MPG 28 MPG $2,700 —
M440i xDrive Gran Coupe Premium 3L Hybrid All-Wheel Drive Automatic (S8) 25 MPG 31 MPG 27 MPG $2,800 —
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

$2.82–$3.24

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

484–556 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

Related Official Reports for 2026 BMW 4 Series

Cross-reference safety ratings, owner defect complaints, and recall campaigns

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.