Trim Report

GMC Sierra W/T2018

Includes:15SIPU4WD|W/T
$3,000
Starting From
99
Active Listings
—
Avg Mileage

Sourced from 99 active dealer listings as of

Min $3,000
Max $24,900
From $3,000
Fresh

W/T Market Overview

All Trims Combined
From$10,966
$11K–$65K
1,106 listings102,215 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

2018 GMC Sierra W/T Pricing

Price Trend

Building price history...

Prices range from budget to premium.

With this much variation, having a scout filter the deals from the overpriced saves you hours of scrolling.

Filter the marketFrom $5/week

Where to Find GMC Sierra W/T

Location data for all 2018 GMC Sierra trims combined

39States

13% of the market sits in Texas, though listings span 39 states. Expand your search and you'll find more options at better prices.

GMC Sierra Fuel Economy

EPA fuel economy data for all 2018 GMC Sierra trims

17–20mpg combined
·
15-18city
·
19-24hwy
·
$2,200-$3,400/yr

The 2018 GMC Sierra delivers 17 to 20 MPG combined across 14 powertrain combinations. If fuel cost matters to you, pay attention to engine and drivetrain. The spread is significant.

By Trim
Sierra 15 Hybrid 2WD - Automatic 8-spd
20mpg
5.3L 8-cyl · Rear-Wheel Drive
18 city24 hwy~$2,200/yr4/10 Average
Sierra C15 2WD - Automatic 6-spd
20mpg
4.3L 6-cyl · Rear-Wheel Drive
18 city24 hwy~$2,200/yr4/10 Average
Sierra C15 2WD - Automatic 6-spd
19mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city23 hwy~$2,300/yr3/10 Poor
Sierra K15 4WD - Automatic 6-spd
19mpg
4.3L 6-cyl · 4-Wheel Drive
17 city22 hwy~$2,300/yr3/10 Poor
Sierra 15 Hybrid 4WD - Automatic 8-spd
18mpg
5.3L 8-cyl · 4-Wheel Drive
16 city21 hwy~$2,450/yr3/10 Poor
Sierra C15 2WD - Automatic 8-spd
18mpg
5.3L 8-cyl · Rear-Wheel Drive
16 city22 hwy~$2,450/yr3/10 Poor
Sierra K15 4WD - Automatic 6-spd
18mpg
5.3L 8-cyl · 4-Wheel Drive
16 city22 hwy~$2,450/yr3/10 Poor
Sierra C15 2WD - Automatic 8-spd
17mpg
6.2L 8-cyl · Rear-Wheel Drive
15 city21 hwy~$3,400/yr3/10 Poor
Sierra C15 Cab Chassis 2WD - Automatic 6-spd
17mpg
5.3L 8-cyl · Rear-Wheel Drive
15 city20 hwy~$2,600/yr3/10 Poor
Sierra K15 4WD - Automatic 8-spd
17mpg
6.2L 8-cyl · 4-Wheel Drive
15 city20 hwy~$3,400/yr3/10 Poor
Sierra K15 4WD - Automatic 8-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city20 hwy~$2,600/yr3/10 Poor
Sierra K15 Cab Chassis 4WD - Automatic 6-spd
17mpg
5.3L 8-cyl · 4-Wheel Drive
15 city19 hwy~$2,600/yr3/10 Poor

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

2018 GMC Sierra W/T FAQ

Trim-specific pricing and feature questions

How does the W/T compare to other GMC Sierra trims?

Every GMC Sierra trim targets a different buyer. The 2018 model page compares all available trims side by side.

What should I know about maintaining the 2018 GMC Sierra W/T?

Maintenance costs for the W/T align with the broader GMC Sierra ownership experience, though trim-specific equipment can add to routine costs. Check the 2018 GMC Sierra page for the full breakdown.

What are the best years for the GMC Sierra W/T?

Check the price-to-mileage ratio for each GMC Sierra W/T 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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