Avalanche 1500 4WD

Overview

Body

Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/11/2026

Drivetrain

4-Wheel DriveEPA, from EPA, last updated 6/11/2026

Transmission

Automatic 6-spdEPA, from EPA, last updated 6/11/2026

Powertrain

GasEPA, from EPA, last updated 6/11/2026

Fuel

Gasoline or E85EPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl

8EPA, from EPA, last updated 6/11/2026

Aspiration

Naturally aspiratedEPA, from EPA, last updated 6/11/2026

Start-stop system

YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy

21 mpgEPA, from EPA, last updated 6/11/2026

MPG City

15 mpgEPA, from EPA, last updated 6/11/2026

MPG Comb

17 mpgEPA, from EPA, last updated 6/11/2026

Fuel $/yr

$3,650EPA, from EPA, last updated 6/11/2026

CO₂

520 g/miEPA, from EPA, last updated 6/11/2026

Eco Score

4/10EPA, from EPA, last updated 6/11/2026

Smog score

5/10

Elec. Range

0 miEPA, from EPA, last updated 6/11/2026

Real-world MPG

17.1 mpg, reported by 2 driversabout 0.1 mpg above the EPA combined estimate

SmartWay certified

No

Dimensions & capacity

Length

218 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Width

79 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Height

73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Wheelbase

130 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Curb Weight

5,437 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Safety NHTSA, model year

Recalls

1

Owner complaints

29

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.