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2026 BMW 3 Series Specs: MPG, Gas Mileage, Engine Size & Dimensions

2016–2026 model years105 variantsUp to 36 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

BMW 3 Series maintenance schedule by model year

Verified year-by-year intervals for 2021–2021 are listed on the BMW 3 Series maintenance schedule, where you can switch model year in the table.

2026 BMW 3 Series Specs at a Glance

The 2026 BMW 3 Series gets 31 mpg combined on the 2.0L Rear-Wheel Drive configuration, weighs 3,825 lbs, measures 185.4 in long. Figures are per configuration, not a single official number — other trims rate as low as 29 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
31 mpg (28 city / 35 hwy)
Best configuration: 2.0L · Rear-Wheel Drive · Automatic (S8) · other 2026 trims rate 29–31 mpg combined
Engine
2.0L 4-cyl
2.0L · Rear-Wheel Drive · Automatic (S8) · 2 powertrains offered
Curb weight
3,825 lbs
Heaviest recorded configuration: 3-SERIES M340i xDRIVE 4DR SEDAN
Length
185.4 in · 72 in wide · 56.7 in tall
Wheelbase
112.2 in
NHTSA overall
5-star (2022)

2026 BMW 3 Series trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive263429
Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283531
Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive273329
Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive263329

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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NHTSA Safety Ratings

Safety for every year and trim

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Electric Range & Charging Time

EV Range for every year and trim

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BMW 3 Series — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive263429Premium Gasoline
2026Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283531Premium Gasoline
2026Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive273329Premium Gasoline
2026Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive263329Premium Gasoline
2025Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283531Premium Gasoline
2025Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive263429Premium Gasoline
2025Auto (S8), 4 cyl, 3.0 L4 · 3.0LAutomatic (S8)All-Wheel Drive263329Premium Gasoline
2025Auto (S8), 4 cyl, 3.0 L4 · 3.0LAutomatic (S8)Rear-Wheel Drive273329Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive253429Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive243227Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive243327Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223226Premium Gasoline
2024Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive233126Premium Gasoline
2024Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive233126Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive243227Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive253429Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive243327Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223226Premium Gasoline
2023Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive233226Premium Gasoline
2023Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive233126Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive253328Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive263630Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive253428Premium Gasoline
2022Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive233226Premium Gasoline
2022Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive233226Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive263630Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive253428Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive253328Premium Gasoline
2020Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive253428Premium Gasoline
2020Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive263630Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233327Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233327Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive263630Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive253428Premium Gasoline
2019Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive202923Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive314336Diesel
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233327Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive243427Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233327Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive243528Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233427Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233327Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283430Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2018Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive213125Premium Gasoline
2018Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive213225Premium Gasoline
2018Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive202923Premium Gasoline
2018Man 6-spd, 4 cyl, 2.0 L4 · 2.0LManual 6-spdRear-Wheel Drive233527Premium Gasoline
2018Man 6-spd, 4 cyl, 2.0 L4 · 2.0LManual 6-spdRear-Wheel Drive213225Premium Gasoline
2018Man 6-spd, 6 cyl, 3.0 L6 · 3.0LManual 6-spdAll-Wheel Drive192923Premium Gasoline
2018Man 6-spd, 6 cyl, 3.0 L6 · 3.0LManual 6-spdRear-Wheel Drive192923Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive314336Diesel
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive233427Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233427Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233326Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233326Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283430Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive233528Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233326Premium Gasoline
2017Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive213125Premium Gasoline
2017Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)Rear-Wheel Drive213225Premium Gasoline
2017Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive203024Premium Gasoline
2017Man 6-spd, 4 cyl, 2.0 L4 · 2.0LManual 6-spdRear-Wheel Drive213225Premium Gasoline
2017Man 6-spd, 4 cyl, 2.0 L4 · 2.0LManual 6-spdRear-Wheel Drive233527Premium Gasoline
2017Man 6-spd, 6 cyl, 3.0 L6 · 3.0LManual 6-spdAll-Wheel Drive192923Premium Gasoline
2017Man 6-spd, 6 cyl, 3.0 L6 · 3.0LManual 6-spdRear-Wheel Drive192923Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223326Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive223326Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive233528Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive304034Diesel
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive233527Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive314235Diesel
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive283631Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive233427Premium Gasoline

Showing the 80 most recent EPA configurations of 105 on record. See the full BMW 3 Series MPG history.

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BMW 3 Series — Frequently Asked Questions

What is the fuel economy of the 2026 BMW 3 Series?

The BMW 3 Series is EPA-rated at up to 36 MPG combined (31 city / 43 highway), a historical peak recorded on the 2018 model year.

What engine does the 2026 BMW 3 Series have?

The BMW 3 Series uses a 2.0L 4-cylinder engine paired with an Automatic transmission.

What years of the BMW 3 Series are covered here?

This page documents 80 verified BMW 3 Series configurations across model years 2016–2026.

Which model year of the BMW 3 Series is the most fuel efficient?

The 2018 BMW 3 Series holds the highest combined rating at 36 MPG; the 2023 sits lowest at 29 MPG, a difference of 7 MPG (about 24%) across the 11 rated years on file.

How many engine options does the BMW 3 Series have?

The records list 2 distinct displacements for the BMW 3 Series — 2L, 3L — which is why combined MPG varies between trims of the same year.

Is the 2026 BMW 3 Series front-wheel drive or all-wheel drive?

The BMW 3 Series appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2026 record on All-Wheel Drive.

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