AutoSpecData

2026 BMW X3 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2026 model years47 variantsUp to 30 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

BMW X3 maintenance schedule by model year

Verified year-by-year intervals for 2025–2025 are listed on the BMW X3 maintenance schedule, where you can switch model year in the table.

2026 BMW X3 Specs at a Glance

The 2026 BMW X3 gets 29 mpg combined on the 2.0L All-Wheel Drive configuration, weighs 4,535 lbs, measures 187.4 in long. Figures are per configuration, not a single official number — other trims rate as low as 27 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
29 mpg (27 city / 33 hwy)
Best configuration: 2.0L · All-Wheel Drive · Automatic (S8) · other 2026 trims rate 27–29 mpg combined
Engine
2.0L 4-cyl
2.0L · All-Wheel Drive · Automatic (S8) · 2 powertrains offered
Curb weight
4,535 lbs
Heaviest recorded configuration: X3 M50 xDRIVE 4DR SUV
Length
187.4 in · 75.6 in wide · 65.4 in tall
Wheelbase
113 in
NHTSA overall
5-star (2024)

2026 BMW X3 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive273329
Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive253027

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

View details →

Engine Specifications

Engine Specs for every year and trim

View details →

Annual Fuel Cost

Fuel Cost for every year and trim

View details →

Transmission Specifications

Transmission for every year and trim

View details →

Drivetrain & Drive Type

Drivetrain for every year and trim

View details →

Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

View details →

Maintenance Schedule & Service Intervals

Maintenance for every year and trim

View details →

Dimensions & Size

Dimensions for every year and trim

View details →

Curb Weight

Curb Weight for every year and trim

View details →

NHTSA Safety Ratings

Safety for every year and trim

View details →

Electric Range & Charging Time

EV Range for every year and trim

View details →

BMW X3 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive273329Premium Gasoline
2026Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive253027Premium Gasoline
2025Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive273329Premium Gasoline
2025Auto (S8), 4 cyl, 3.0 L4 · 3.0LAutomatic (S8)All-Wheel Drive253027Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive232925Premium Gasoline
2024Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2024Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive152017Premium Gasoline
2024Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive212623Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive232925Premium Gasoline
2023Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2023Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive212623Premium Gasoline
2023Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive152017Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2022Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive232925Premium Gasoline
2022Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive152017Premium Gasoline
2022Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive212623Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212724Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive252927Premium Gasoline
2021Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive232925Premium Gasoline
2021Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive141916Premium Gasoline
2021Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive212723Premium Gasoline
2020Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive252927Premium Gasoline
2020Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212724Premium Gasoline
2020Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive242926Premium Gasoline
2020Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive141916Premium Gasoline
2020Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive212723Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive233026Premium Gasoline
2019Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive222925Premium Gasoline
2019Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive202723Premium Gasoline
2018Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive222925Premium Gasoline
2018Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive202723Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive212824Premium Gasoline
2017Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2017Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive192621Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive212824Premium Gasoline
2016Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive273330Diesel
2016Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive192621Premium Gasoline
2015Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive273330Diesel
2015Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)Rear-Wheel Drive212824Premium Gasoline
2015Auto (S8), 4 cyl, 2.0 L4 · 2.0LAutomatic (S8)All-Wheel Drive212824Premium Gasoline
2015Auto (S8), 6 cyl, 3.0 L6 · 3.0LAutomatic (S8)All-Wheel Drive192621Premium Gasoline

Compare the BMW X3 with rivals

Compare across every brand

All BMW X3 specifications

More BMW models

View all BMW models →

Browse other makes

BMW X3 — Frequently Asked Questions

What is the fuel economy of the 2026 BMW X3?

The BMW X3 is EPA-rated at up to 30 MPG combined (27 city / 33 highway), a historical peak recorded on the 2016 model year.

What engine does the 2026 BMW X3 have?

The BMW X3 uses a 2.0L 4-cylinder engine paired with an Automatic transmission.

What years of the BMW X3 are covered here?

This page documents 42 verified BMW X3 configurations across model years 2015–2026.

Which model year of the BMW X3 is the most fuel efficient?

The 2016 BMW X3 holds the highest combined rating at 30 MPG; the 2017 sits lowest at 24 MPG, a difference of 6 MPG (about 25%) across the 12 rated years on file.

How many engine options does the BMW X3 have?

The records list 2 distinct displacements for the BMW X3 — 2L, 3L — which is why combined MPG varies between trims of the same year.

Is the 2026 BMW X3 front-wheel drive or all-wheel drive?

The BMW X3 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.

Free tools people use next

No account needed
Decode any VINEngine, drivetrain & towing from a VINCompare car sizesOverlay two vehicles to scaleMaintenance scheduleService intervals + PDF exportBest MPG, rankedTop EPA combined MPG by class