Trim Report
GMC Sierra SLT2026
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$29,239
$29K–$140K
45,560 listings25,018 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
2026 GMC Sierra SLT Pricing
Price Trend
Building price history...
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Where to Find GMC Sierra SLT
Location data for all 2026 GMC Sierra trims combined
40States
27%in top 3
Texas has the most inventory at 13%, with options spread across 40 states. Willing to ship? Your selection opens up significantly.
TXTexas
5,33813%
FLFlorida
2,8117%
MIMichigan
2,7027%
MOMissouri
2,2616%
TNTennessee
1,5994%
CACalifornia
1,4814%
PAPennsylvania
1,4794%
OKOklahoma
1,3923%
GAGeorgia
1,2813%
OHOhio
1,2203%
NCNorth Carolina
1,1043%
AZArizona
1,0473%
DEDelaware
9982%
COColorado
9702%
MNMinnesota
9412%
NHNew Hampshire
9322%
ARArkansas
8942%
ILIllinois
8542%
INIndiana
7552%
DCWashington DC
7012%
ALAlabama
6652%
LALouisiana
6292%
WAWashington
6242%
WIWisconsin
6072%
NY583
MD573
UT562
NE400
RI393
OR391
MA385
ID373
IA282
ME282
NV257
VA243
NJ241
SC235
KY211
VT
GMC Sierra Fuel Economy
EPA fuel economy data for all 2026 GMC Sierra trims
15–68mpg combined
·14-75city
·16-61hwy
·$1,100-$5,450/yr
Fuel economy for the 2026 GMC Sierra ranges from 15 to 68 MPG combined across 20 setups. The table below breaks it down by trim so you know exactly what you're signing up for.
By Trim
Sierra EV 20-mod battery, 11kW 15-mode charger - Automatic (A1)
68mpg
4-Wheel DriveEV
75 city61 hwy~$1,100/yr10/10 Clean
Sierra EV 14-mod battery, 11kW 15-mode charger - Automatic (A1)
67mpg
4-Wheel DriveEV
74 city60 hwy~$1,150/yr10/10 Clean
Sierra EV 20-mod battery, 19kW 15-mode charger - Automatic (A1)
64mpg
4-Wheel DriveEV
69 city59 hwy~$1,200/yr10/10 Clean
Sierra 2WD - Automatic 10-spd
25mpg
3.0L 6-cyl Turbo · Rear-Wheel DriveDiesel
23 city28 hwy~$3,400/yr4/10 Average
Sierra 4WD - Automatic 10-spd
24mpg
3.0L 6-cyl Turbo · 4-Wheel DriveDiesel
22 city26 hwy~$3,500/yr4/10 Average
Sierra 2WD - Automatic 8-spd
20mpg
2.7L 4-cyl Turbo · Rear-Wheel Drive
18 city21 hwy~$3,400/yr4/10 Average
Sierra 2WD with Sport Mode - Automatic 8-spd
19mpg
2.7L 4-cyl Turbo · Rear-Wheel Drive
17 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 with Sport Mode - Automatic 10-spd
18mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city21 hwy~$3,750/yr3/10 Poor
Sierra 4WD - Automatic 8-spd
18mpg
2.7L 4-cyl Turbo · 4-Wheel Drive
17 city20 hwy~$3,750/yr3/10 Poor
Sierra 2WD - Automatic 10-spd
17mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city20 hwy~$3,950/yr3/10 Poor
Sierra 4WD (Flex Fuel) - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$3,950/yr3/10 Poor
Sierra 4WD with Sport Mode - Automatic 10-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$3,950/yr3/10 Poor
Sierra 4WD with Sport Mode - Automatic 8-spd
17mpg
2.7L 4-cyl Turbo · 4-Wheel Drive
17 city18 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 4WD - Automatic 10-spd
16mpg
5.3L 8-cyl · 4-Wheel Drive
15 city18 hwy~$4,200/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
Sierra Mud Terrain Tires 4WD - Automatic 10-spd
15mpg
6.2L 8-cyl · 4-Wheel Drive
14 city17 hwy~$5,450/yr2/10 Poor
Source: U.S. Environmental Protection Agency (EPA)
SLT Trim Buyer Questions
What to know about the 2026 GMC Sierra SLT
How does the SLT compare to other GMC Sierra trims?
The SLT occupies a distinct position in the GMC Sierra range. See how it stacks up on the 2026 overview page.
What should I know about maintaining the 2026 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?
For the SLT, 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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