Trim Report

GMC Sierra SL2025

Includes:15SIPU4WD|SL
$2,000
Starting From
36
Active Listings
—
Avg Mileage

Sourced from 36 dealer listings in the latest market snapshot as of

Min $2,000
Max $16,999
From $2,000
Fresh

SL 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 SL Pricing

Price Trend

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36 listings and counting.

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Where to Find GMC Sierra SL

Location data for all 2025 GMC Sierra trims combined

40States

If you're near Texas, you're in luck: 13% of listings are there. But with 40 states represented, there's likely one near you too.

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)

SL Trim Buyer Questions

What to know about the 2025 GMC Sierra SL

How does the SL compare to other GMC Sierra trims?

The SL occupies a distinct position in the GMC Sierra range. See how it stacks up on the 2025 overview page.

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

Maintenance costs for the SL align with the broader GMC Sierra ownership experience, though trim-specific equipment can add to routine costs. Check the 2025 GMC Sierra page for the full breakdown.

What are the best years for the GMC Sierra SL?

For the SL, look at the price-to-mileage ratio across model years. Later model years before a redesign tend to be the most refined version of the platform. See the GMC Sierra buyer's guide.

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