2026 Chevrolet Suburban Specs

6 powertrain configurations on federal record for the 2026 Chevrolet Suburban: 6.2L 8-cyl Premium Gasoline; 5.3L 8-cyl Regular Gasoline; 3.0L 6-cyl Diesel, in Rear-Wheel Drive and 4-Wheel Drive, rated up to 23 MPG combined by the EPA.

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

2026 Chevrolet Suburban engines, transmissions, drivetrains and EPA gas mileage
EngineTransmissionDrivetrainCityHighwayCombined
6.2L 8-cyl Premium GasolineAutomatic 10-spdRear-Wheel Drive151916
5.3L 8-cyl Regular GasolineAutomatic 10-spdRear-Wheel Drive152017
3.0L 6-cyl DieselAutomatic 10-spdRear-Wheel Drive212623
6.2L 8-cyl Premium GasolineAutomatic 10-spd4-Wheel Drive141816
5.3L 8-cyl Regular GasolineAutomatic 10-spd4-Wheel Drive141916
3.0L 6-cyl DieselAutomatic 10-spd4-Wheel Drive202422

Suburban by year

Shopping this Suburban? See the market, not just the specs.

Browse live Suburban inventory, see what buyers actually paid, and the Suburban depreciation curve before you talk numbers.

Frequently asked questions

What engines does the 2026 Chevrolet Suburban have?

3 engines on federal record: 6.2L 8-cyl Premium Gasoline; 5.3L 8-cyl Regular Gasoline; 3.0L 6-cyl Diesel, offered with Automatic 10-spd and Rear-Wheel Drive or 4-Wheel Drive. The full per-configuration table is above.

What gas mileage does the 2026 Chevrolet Suburban get?

EPA combined ratings run 16–23 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.

Is 2026 a good year for the Chevrolet Suburban?

Specs don't answer that — the federal complaint and recall record does. See the Chevrolet Suburban year-by-year reliability verdicts at carwhere.com/research/years-to-avoid/chevrolet/suburban, built from NHTSA data.

How do I get the specs for my exact VIN?

These are the federal-record configurations for the 2026 Chevrolet Suburban 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).