Trim Report

GMC Sierra SLT2025

Includes:15SIPU4WD|SLT
$925
Starting From
15,203
Active Listings
—
Avg Mileage

Sourced from 15,203 dealer listings in the latest market snapshot as of

Min $925
Max $92,372
From $925
Fresh

SLT Market Overview

All Trims Combined
From$27,980
$28K–$111K
3,386 listings27,599 avg miles
AT4
From$13,200
9,361 listings|$13K–$139K
AT4X
From$32,390
3,522 listings|$32K–$140K
Denali
From$1,000
12,458 listings|$1K–$100K
Denali Ultimate
From$45,135
3,663 listings|$45K–$101K
Elevation
From$15,885
15,507 listings|$16K–$109K
Limited
From$11,888
40 listings|$12K–$32K
Pro
From$15,000
5,542 listings|$15K–$95K
SL
From$2,000
36 listings|$2K–$17K
SLE
From$2,450
4,147 listings|$2K–$73K
SLT
From$925
15,203 listings|$925–$92K
W/T
From$750
86 listings|$750–$22K

2025 GMC Sierra SLT Pricing

Price Trend

Building price history...

15,203 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 SLT

Location data for all 2025 GMC Sierra trims combined

40States

The biggest cluster of inventory is in Texas (13%), but the remaining listings are spread across 39 other states nationwide.

GMC Sierra Fuel Economy

EPA fuel economy data for all 2025 GMC Sierra trims

15–64mpg combined
·
14-70city
·
16-59hwy
·
$1,200-$5,450/yr

The 2025 GMC Sierra delivers 15 to 64 MPG combined across 20 powertrain combinations. If fuel cost matters to you, pay attention to engine and drivetrain. The spread is significant.

By Trim
Sierra EV - Automatic (A1)
64mpg
4-Wheel DriveEV
70 city59 hwy~$1,200/yr10/10 Clean
Sierra 2WD - Automatic 10-spd
26mpg
3.0L 6-cyl Turbo · Rear-Wheel DriveDiesel
23 city29 hwy~$3,250/yr5/10 Average
Sierra 4WD - Automatic 10-spd
24mpg
3.0L 6-cyl Turbo · 4-Wheel DriveDiesel
22 city26 hwy~$3,500/yr4/10 Average
Sierra Mud Terrain Tires 4WD - Automatic 10-spd
23mpg
3.0L 6-cyl Turbo · 4-Wheel DriveDiesel
21 city24 hwy~$3,700/yr4/10 Average
Sierra 2WD - Automatic 8-spd
19mpg
2.7L 4-cyl Turbo · Rear-Wheel Drive
18 city21 hwy~$3,550/yr4/10 Average
Sierra 4WD AT4X - Automatic 10-spd
19mpg
3.0L 6-cyl Turbo · 4-Wheel DriveDiesel
19 city20 hwy~$4,450/yr3/10 Poor
Sierra 2WD - Automatic 10-spd
18mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city21 hwy~$3,750/yr4/10 Average
Sierra 4WD - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$3,950/yr3/10 Poor
Sierra 4WD - Automatic 8-spd
17mpg
2.7L 4-cyl Turbo · 4-Wheel Drive
17 city18 hwy~$3,950/yr3/10 Poor
Sierra Mud Terrain Tires 4WD - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$3,950/yr3/10 Poor
Sierra 4WD - Automatic 10-spd
16mpg
6.2L 8-cyl · 4-Wheel Drive
15 city19 hwy~$5,100/yr3/10 Poor
Sierra Cab Chassis 2WD - Automatic 10-spd
16mpg
5.3L 8-cyl · Rear-Wheel Drive
15 city18 hwy~$4,200/yr3/10 Poor
Sierra 4WD AT4X - Automatic 10-spd
15mpg
6.2L 8-cyl · 4-Wheel Drive
14 city16 hwy~$5,450/yr2/10 Poor
Sierra Cab Chassis 4WD - Automatic 10-spd
15mpg
5.3L 8-cyl · 4-Wheel Drive
14 city16 hwy~$4,500/yr2/10 Poor

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

2025 GMC Sierra SLT FAQ

Trim-specific pricing and feature questions

How does the SLT compare to other GMC Sierra trims?

with 15,203 listings tracked, the SLT sits in a specific spot in the 2025 GMC Sierra lineup. Compare pricing across all trims on the 2025 GMC Sierra page.

What should I know about maintaining the 2025 GMC Sierra SLT?

Budget for standard SLT maintenance plus any trim-specific items. Review the known issues on the model year page for areas to inspect before purchasing.

What are the best years for the GMC Sierra SLT?

The best model year for the GMC Sierra SLT comes down to the price-to-mileage ratio. Compare all years on the GMC Sierra overview.

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