Trim Report

GMC Sierra SLT2023

Includes:15SIPU4WD|SLT
$1,500
Starting From
15,792
Active Listings
Avg Mileage

Sourced from 15,792 active dealer listings as of

Min $1,500
Max $139,900
From $1,500
Fresh

2023 GMC Sierra SLT Pricing

Price Trend

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15,792 active listings means opportunity, but also overwhelm. Set your criteria and we'll surface the best matches.

Where to Find GMC Sierra SLT

Location data for all 2023 GMC Sierra trims combined

39States

If you're near Texas, you're in luck: 13% of listings are there. But with 39 states represented, there's likely one near you too.

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)

Is the SLT Worth It?

Common questions about the 2023 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 2023 overview page.

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

Maintenance costs for the SLT 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 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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