Production
2026 BMW 3 Series Review
BMW compact sport sedan (catalog: 3 Series) with 2026 EPA ~29–31 mpg combined on 330i/M340i rows. Axis scores pending.
2026 · James Calder · published 2026-10-07
2026 BMW 3 Series
The 3 Series remains BMW's compact sport-sedan volume play. Catalog slug is 3 Series (covers 330i / M340i strings). Trade-offs: premium fuel; M340i power costs a few mpg versus 330i.
What's confirmed (EPA 2026)
- 330i Sedan: 31 mpg combined (28/35)
- 330i xDrive Sedan: 29 mpg combined (26/34)
- M340i Sedan: 29 mpg combined (27/33)
- M340i xDrive Sedan: 29 mpg combined (26/33)
Practical notes
330i RWD is the efficiency peak in this set. Cross-shop C-Class, A4/A5, IS, and Tesla Model 3 if electric enters the shortlist.
Safety
Score pending pending IIHS/NHTSA 2026 3 Series matrix fetch.
Method
See [How we score](/method).
Sources
- EPA — Gas Mileage of 2026 BMW 3 Series — https://www.fueleconomy.gov/feg/bymodel/2026BMW3_Series.shtml (fetched 2026-10-06)
- BMW — 3 Series — https://www.bmwusa.com/vehicles/3-series.html (OEM)