2024 BMW 3 Series EPA Fuel Economy Summary

The 2024 BMW 3 Series delivers an EPA-certified 26–29 MPG combined (23–25 city / 31–34 highway depending on engine and drivetrain) across 6 configurations. Hybrid variants achieve up to 26 MPG combined, compared to 29 MPG for standard gasoline trims. Plug-in hybrid (PHEV) models offer up to 22 miles of all-electric range at 73 MPGe. Estimated annual fuel costs range from $2,600 to $2,900.

Combined MPG
26–29 MPG
55% city / 45% highway weighted
City MPG
23–25 MPG
Stop-and-go urban cycle
Highway MPG
31–34 MPG
Sustained open-highway test
Annual Fuel Cost
$2,600–2,900
EPA estimate @ 15,000 miles/yr

2024 BMW 3 Series Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

Internal Combustion

Standard Gasoline Trims

27–29 MPG Combined

Annual Fuel Cost: $2,600–$2,800 (2 configurations)

Gas-Electric Hybrid

Hybrid (HEV) Trims

26–26 MPG Combined

Annual Fuel Cost: $2,900–$2,900 (Saves ~$-300/yr vs gas)

Plug-In Hybrid

Plug-In Hybrid (PHEV)

22 mi EV Range • 73 MPGe

Gasoline Combined: 27 MPG • Annual Energy Cost: $2,800

Official EPA Fuel Economy Ratings by Configuration (6 Variants)

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

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
330i Sedan Premium 2L 4-Cyl Gas Rear-Wheel Drive Automatic (S8) 25 MPG 34 MPG 29 MPG $2,600
330i xDrive Sedan Premium 2L 4-Cyl Gas All-Wheel Drive Automatic (S8) 24 MPG 33 MPG 27 MPG $2,800
330e Sedan Premium and Electricity 2L Plug-in Hybrid Rear-Wheel Drive Automatic (S8) 69 MPGe (24 MPG) 78 MPGe (32 MPG) 73 MPGe (27 MPG) 22 mi $2,800
M340i Sedan Premium 3L Hybrid Rear-Wheel Drive Automatic (S8) 23 MPG 31 MPG 26 MPG $2,900
M340i xDrive Sedan Premium 3L Hybrid All-Wheel Drive Automatic (S8) 23 MPG 31 MPG 26 MPG $2,900
330e xDrive Sedan Premium and Electricity 2L Plug-in Hybrid All-Wheel Drive Automatic (S8) 64 MPGe (22 MPG) 75 MPGe (32 MPG) 68 MPGe (26 MPG) 20 mi $2,900
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

$3.02–$3.37

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

517–577 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.