Trim Report

GMC Sierra AT42023

Includes:15SIPU4WD|AT4
$18,600
Starting From
9,750
Active Listings
—
Avg Mileage

Sourced from 9,750 active dealer listings as of

Min $18,600
Max $132,879
From $18,600
Fresh

AT4 Market Overview

All Trims Combined
From$15,000
$15K–$91K
4,022 listings45,326 avg miles
AT4
From$18,600
9,750 listings|$19K–$133K
AT4X
From$35,491
3,929 listings|$35K–$109K
Denali
From$4,500
11,676 listings|$5K–$104K
Denali Ultimate
From$44,601
3,546 listings|$45K–$101K
Elevation
From$13,500
18,101 listings|$14K–$97K
Limited
From$12,459
31 listings|$12K–$30K
Pro
From$12,980
6,540 listings|$13K–$69K
SL
From$2,709
45 listings|$3K–$21K
SLE
From$1,650
4,915 listings|$2K–$70K
SLT
From$1,500
15,792 listings|$2K–$140K
W/T
From$3,000
99 listings|$3K–$25K

2023 GMC Sierra AT4 Pricing

Price Trend

Building price history...

9,750 reasons to be choosy.

High supply favors buyers. Create a scout with your exact specs and only see what matters.

Start trackingFrom $5/week

Where to Find GMC Sierra AT4

Location data for all 2023 GMC Sierra trims combined

39States

The biggest cluster of inventory is in Texas (13%), but the remaining listings are spread across 38 other states nationwide.

GMC Sierra Fuel Economy

EPA fuel economy data for all 2023 GMC Sierra trims

15–26mpg combined
·
14-24city
·
17-29hwy
·
$2,150-$3,850/yr

Across 20 configurations, the 2023 GMC Sierra returns 15–26 MPG combined. Choose the thriftier option if you're commuting; the sportier setup if you're not counting gallons.

By Trim
Sierra 2WD - Automatic 10-spd
26mpg
3.0L 6-cyl Turbo · Rear-Wheel DriveDiesel
24 city29 hwy~$2,150/yr5/10 Average
Sierra 4WD - Automatic 10-spd
24mpg
3.0L 6-cyl Turbo · 4-Wheel DriveDiesel
22 city27 hwy~$2,300/yr4/10 Average
Sierra 2WD - Automatic 8-spd
20mpg
2.7L 4-cyl Turbo · Rear-Wheel Drive
19 city22 hwy~$2,200/yr4/10 Average
Sierra 4WD - Automatic 8-spd
19mpg
2.7L 4-cyl Turbo · 4-Wheel Drive
18 city20 hwy~$2,300/yr4/10 Average
Sierra 2WD - Automatic 10-spd
18mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city20 hwy~$2,450/yr4/10 Average
Sierra 4WD - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$2,600/yr3/10 Poor
Sierra 4WD - Automatic 10-spd
17mpg
6.2L 8-cyl · 4-Wheel Drive
15 city19 hwy~$3,400/yr3/10 Poor
Sierra Mud Terrain Tires 4WD - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$2,600/yr3/10 Poor
Sierra Cab Chassis 2WD - Automatic 10-spd
16mpg
5.3L 8-cyl · Rear-Wheel Drive
15 city18 hwy~$2,750/yr3/10 Poor
Sierra Cab Chassis 4WD - Automatic 10-spd
16mpg
5.3L 8-cyl · 4-Wheel Drive
15 city17 hwy~$2,750/yr3/10 Poor
Sierra 4WD AT4X - Automatic 10-spd
15mpg
6.2L 8-cyl · 4-Wheel Drive
14 city17 hwy~$3,850/yr2/10 Poor
Sierra Mud Terrain Tires 4WD - Automatic 10-spd
15mpg
6.2L 8-cyl · 4-Wheel Drive
14 city17 hwy~$3,850/yr2/10 Poor

Source: U.S. Environmental Protection Agency (EPA)

2023 GMC Sierra AT4 FAQ

Trim-specific pricing and feature questions

How does the AT4 compare to other GMC Sierra trims?

Every GMC Sierra trim targets a different buyer. The 2023 model page compares all available trims side by side.

What should I know about maintaining the 2023 GMC Sierra AT4?

Maintenance costs for the AT4 align with the broader GMC Sierra ownership experience, though trim-specific equipment can add to routine costs. Check the 2023 GMC Sierra page for the full breakdown.

What are the best years for the GMC Sierra AT4?

Check the price-to-mileage ratio for each GMC Sierra AT4 year. The last year before a generation change is usually the most refined; the first year after is when resale drops fastest. The GMC Sierra overview compares all years side by side.

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