2026 BMW M340i Sedan Specs

1 powertrain configuration on federal record for the 2026 BMW M340i Sedan: 3.0L 6-cyl Premium Gasoline, rated up to 29 MPG combined by the EPA.

Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research

2026 BMW M340i Sedan engines, transmissions, drivetrains and EPA gas mileage
EngineTransmissionDrivetrainCityHighwayCombined
3.0L 6-cyl Premium GasolineAutomatic (S8)Rear-Wheel Drive273329

M340i Sedan by year

Shopping this M340i Sedan? See the market, not just the specs.

Browse live M340i Sedan inventory, see what buyers actually paid before you talk numbers.

Frequently asked questions

What engines does the 2026 BMW M340i Sedan have?

One powertrain on federal record: 3.0L 6-cyl Premium Gasoline, offered with Automatic (S8) and Rear-Wheel Drive. The full per-configuration table is above.

What gas mileage does the 2026 BMW M340i Sedan get?

EPA combined ratings run 29–29 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.

How do I get the specs for my exact VIN?

These are the federal-record configurations for the 2026 BMW M340i Sedan overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.

Where does this data come from?

The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).