2018 Gmc Sierra 1500 prices in Georgia
The median asking price for a 2018 Gmc Sierra 1500 in Georgia is $29,941 based on 9 active listings.
As of July 25, 2026, the median asking price for a 2018 Gmc Sierra 1500 in Georgia is $29,941, based on 9 active dealer listings tracked by VinAssessment.
◷ Updated July 25, 2026 ▤ 9 active dealer listings, refreshed daily Methodology →
Typical: $27,248–$31,889 — the middle half of 9 asking prices
Why the wide range? Price depends mostly on configuration and mileage — see below. This spread covers the middle 96% of asking prices: we exclude the cheapest and priciest 2% (payment-priced ads, typos, salvage) so outliers don't distort it.
What moves the price on a 2018 Gmc Sierra 1500
The $27,248–$31,889 typical range isn't randomness — two factors explain most of it:
The Base typically asks $15,598, while the Denali asks $32,800 — same year, same market.
Asking prices run about $34,428 at 45K–60K miles and fall to $23,700 over 105K miles — roughly $1,800 for every 10,000 miles.
Find your mileage and trim in the configurator below.
Configure the exact car
Modelled from 64 real asking prices, adjusted for mileage and location. Not a formal appraisal.
2018 Gmc Sierra 1500: a fair price for your mileage
A 2018 Gmc Sierra 1500 sheds roughly $1,800 for every 10,000 miles. Find your mileage below.
Fair price by mileage and trim
| Mileage | All listings | Slt | Denali | Sle |
|---|---|---|---|---|
| 45K–60K miles | $34,428 | $34,523 | $32,894 | $31,990 |
| 60K–75K miles | $33,138 | $29,992 | $34,999 | — |
| 75K–90K miles | $29,912 | $30,648 | $31,285 | — |
| 90K–105K miles | $29,566 | $29,544 | $29,989 | $25,101 |
| Over 105K miles | $23,700 | $23,936 | $27,495 | $21,633 |
Medians of live asking prices per band and version; “—” means fewer than 3 matching listings. National data.
Fair price by mileage — all versions combined
| Mileage ⓘ | Based on ⓘ | Fair price ⓘ | Typical range ⓘ |
|---|---|---|---|
| 45K–60K miles | 13 listings | $34,428 | $32K–$35K |
| 60K–75K miles | 10 listings | $33,138 | $30K–$35K |
| 75K–90K miles | 19 listings | $29,912 | $29K–$33K |
| 90K–105K miles | 20 listings | $29,566 | $27K–$30K |
| Over 105K miles | 45 listings | $23,700 | $20K–$27K |
Same trim and condition assumed — mileage is the biggest lever after configuration. National data; Georgia prices track it closely.
2018 Gmc Sierra 1500: price by trim
| Trim | Based on ⓘ | Median price ⓘ | Typical range ⓘ | Where it sits ⓘ |
|---|---|---|---|---|
| Slt | 64 listings | $28,723 | $24K–$30K | |
| Denali | 21 listings | $32,800 | $30K–$36K | |
| Sle | 18 listings | $25,508 | $23K–$28K | |
| Base | 5 listings | $15,598 | $15K–$17K |
Based on a small number of listings per trim — medians are indicative, not definitive. National data; Georgia prices track it closely.
Price history
Median asking price by month — national · shaded band is the typical range (25th–75th percentile)
The median listing price for a 2018 Gmc Sierra 1500 is $27,770 (July 2026) — down 4.2% from $28,996 in August 2025.
Monthly price table
| Month | Median price | Typical range | Vehicles listed |
|---|---|---|---|
| July 2026 | $27,770 | $24K–$31K | 1,581 |
| June 2026 | $27,795 | $24K–$31K | 2,011 |
| May 2026 | $27,495 | $24K–$31K | 1,992 |
| April 2026 | $27,500 | $24K–$31K | 1,821 |
| March 2026 | $27,492 | $24K–$31K | 2,264 |
| February 2026 | $26,990 | $24K–$30K | 2,164 |
| January 2026 | $26,978 | $23K–$30K | 2,149 |
| December 2025 | $26,979 | $23K–$30K | 1,799 |
| November 2025 | $27,200 | $24K–$30K | 1,351 |
| October 2025 | $27,995 | $25K–$32K | 1,186 |
| September 2025 | $28,900 | $25K–$32K | 1,054 |
| August 2025 | $28,996 | $25K–$33K | 1,100 |
2018 Gmc Sierra 1500 inventory across the U.S.
Keep exploring Sierra 1500 prices
2018 Gmc Sierra 1500 · $30,306 typical · 9 listingsOther Gmc Sierra 1500 years
Live 2018 Gmc Sierra 1500 listings, priced by VIN
Every VIN links to a full market report: decode, active listings and the local price band. Shop 2017–2019 Gmc Sierra 1500 listings on VehiSales →.
More 2018 Gmc prices
Frequently asked questions
Why do 2018 Gmc Sierra 1500 prices range from $22,617 to $40,375 in Georgia?
The spread comes down to configuration and mileage: higher-mileage, base-configuration examples sit near the low end, while low-mileage and premium configurations reach the top. Half of all listings fall between $27,248 and $31,889 — see the mileage and trim breakdowns above for where a specific vehicle lands.
How much should mileage change the price of a 2018 Gmc Sierra 1500?
Expect roughly $1,800 less for every 10,000 miles on the odometer. A 60K-mile example should cost about $5,400 less than a 30K-mile one of the same trim — check the fair-price-by-mileage table above for your band.
Do Gmc Sierra 1500 prices in Georgia differ from the rest of the country?
Yes. The average in Georgia is $30,306, which is $2,647 above the national average of $27,659. Local supply, demand and transport costs all play a part.
How many 2018 Gmc Sierra 1500 are for sale in Georgia right now?
9 in total. Counts refresh daily from live dealer inventory.
How we calculate these prices
We track 9 active listings for this vehicle across dealer sites nationwide, updated every day. Average and median are computed from real asking prices on live listings. We exclude the top and bottom 2% of prices to remove data errors, salvage titles, and monthly-payment figures posted as if they were sale prices. Prices reflect dealer asking prices — not final sale prices — and exclude taxes, fees, and incentives. Trim and mileage move the price more than any other factor; see the breakdowns above.
Want the original factory equipment and MSRP behind a specific car? Pull the original window sticker by VIN →
Shopping for this car?
Check individual VINs before you buy — decode the exact trim and mileage, see every active listing, and how each price compares to the local market.