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2018 GMC C5 prices in the U.S.
$23,498
Median asking price
10 active listings · Updated October 28, 2026
National price overview
Typical asking price range
$19,624 – $25,741 All 10 listings · Middle 50% of asking pricesMedian asking price
$23,498Trim, mileage and condition change what a comparable vehicle costs.
As of October 28, 2026, the median asking price for a 2018 GMC C5 in the U.S. is $23,498, based on 10 active dealer listings tracked by VinAssessment.
Behind the price
Price range & market sample
The median asking price for a 2018 GMC C5 in the U.S. is $23,498 based on 10 active listings.
10 active dealer listings
Snapshot October 28, 2026 · refreshed daily
30-day asking price change: +$688.
Typical: $19,624–$25,741 — the middle half of 10 asking prices
Median $23,498
$16K low
$28K high
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% to reduce the influence of extreme values. This does not verify title status or guarantee that every erroneous listing is excluded.
$23,498
Pre-owned median (10)
82,325
Average mileage
Understand the differences
2018 GMC C5: VIN configurations and specifications
Multiple VIN patterns can share the same trim. Compare their recorded equipment, then open a specification page for the full details.
Where these specifications come from
Specifications combine decoded VIN data, including NHTSA vPIC , with inventory records. If decoding does not identify a trim, a recorded inventory trim may be shown. VIN patterns do not confirm every installed option.
Counts describe observed VINs in our database, not factory production totals. Prices are median asking prices from qualifying U.S. listings, not original MSRP. Check the vehicle’s build sheet for exact equipment.
FACTORY REFERENCE
2018 GMC C5 factory brochure
Model-year reference for features and equipment. Actual VIN equipment may differ.
No verified factory brochure is currently listed for this exact model year.
Need equipment for a specific vehicle? Look up its factory window sticker →
Price trend
View national price trend · all trims
Average price is down $85 since July 30.
Average asking price (USD) · national · all trims. Hover, tap or focus a point for its date and price.
Chart scale: $17,998–$23,397. On narrow screens, scroll the chart sideways to see the full period.
Daily average price table
| Date | Average asking price (USD) |
|---|---|
| October 28, 2026 | $22,646 |
| October 27, 2026 | $22,844 |
| October 26, 2026 | $22,562 |
| October 25, 2026 | $22,021 |
| October 24, 2026 | $21,691 |
| October 23, 2026 | $21,666 |
| October 22, 2026 | $21,240 |
| October 21, 2026 | $21,129 |
| October 20, 2026 | $20,832 |
| October 19, 2026 | $20,932 |
| October 18, 2026 | $20,025 |
| October 17, 2026 | $20,025 |
| October 16, 2026 | $20,450 |
| October 15, 2026 | $20,288 |
| October 14, 2026 | $20,412 |
| October 13, 2026 | $21,510 |
| October 12, 2026 | $21,846 |
| October 11, 2026 | $21,068 |
| October 10, 2026 | $20,855 |
| October 9, 2026 | $20,855 |
| October 8, 2026 | $20,995 |
| October 7, 2026 | $21,410 |
| October 6, 2026 | $21,145 |
| October 5, 2026 | $21,410 |
| October 4, 2026 | $21,228 |
| October 3, 2026 | $21,599 |
| October 2, 2026 | $21,622 |
| October 1, 2026 | $21,789 |
| September 30, 2026 | $21,854 |
| September 29, 2026 | $21,886 |
| September 28, 2026 | $21,958 |
| September 27, 2026 | $22,002 |
| September 26, 2026 | $21,519 |
| September 25, 2026 | $21,749 |
| September 24, 2026 | $21,683 |
| September 23, 2026 | $21,290 |
| September 22, 2026 | $20,822 |
| September 21, 2026 | $21,368 |
| September 20, 2026 | $21,368 |
| September 19, 2026 | $21,075 |
| September 18, 2026 | $20,536 |
| September 17, 2026 | $20,485 |
| September 16, 2026 | $19,854 |
| September 15, 2026 | $19,440 |
| September 14, 2026 | $19,928 |
| September 13, 2026 | $18,929 |
| September 12, 2026 | $18,929 |
| September 11, 2026 | $18,521 |
| September 10, 2026 | $18,715 |
| September 9, 2026 | $19,036 |
| September 8, 2026 | $18,811 |
| September 7, 2026 | $19,080 |
| September 6, 2026 | $19,617 |
| September 5, 2026 | $19,497 |
| September 4, 2026 | $19,692 |
| September 3, 2026 | $19,190 |
| September 2, 2026 | $19,058 |
| September 1, 2026 | $18,948 |
| August 31, 2026 | $19,241 |
| August 30, 2026 | $19,241 |
| August 29, 2026 | $20,329 |
| August 28, 2026 | $20,574 |
| August 27, 2026 | $20,480 |
| August 26, 2026 | $20,633 |
| August 25, 2026 | $20,853 |
| August 24, 2026 | $20,344 |
| August 23, 2026 | $20,362 |
| August 22, 2026 | $20,362 |
| August 21, 2026 | $20,362 |
| August 20, 2026 | $20,362 |
| August 19, 2026 | $20,844 |
| August 18, 2026 | $20,844 |
| August 17, 2026 | $19,680 |
| August 16, 2026 | $20,201 |
| August 15, 2026 | $20,308 |
| August 14, 2026 | $20,474 |
| August 13, 2026 | $21,042 |
| August 12, 2026 | $21,214 |
| August 11, 2026 | $21,602 |
| August 10, 2026 | $22,022 |
| August 9, 2026 | $21,930 |
| August 8, 2026 | $21,930 |
| August 7, 2026 | $21,831 |
| August 6, 2026 | $21,862 |
| August 5, 2026 | $22,320 |
| August 4, 2026 | $21,817 |
| August 3, 2026 | $22,675 |
| August 2, 2026 | $22,874 |
| August 1, 2026 | $22,475 |
| July 31, 2026 | $22,494 |
| July 30, 2026 | $22,731 |
MEET THE REST OF THE LINEUP
More 2018 GMC prices
Something else catch your eye? Explore other 2018 GMC models before you decide.
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GMC Yukon XL
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GMC Canyon
Explore this model →Prices shown for other models are average asking prices in the national snapshot. Photos are representative; trim and equipment vary.
What would a 2018 GMC C5 cost per month?
Estimate the monthly payment on a $23,498 vehicle. Move the numbers to match your own loan.
10% down
7.0% is an illustrative starting rate — use your own lender quote.
Loan term
Estimated monthly payment
$419
per month
60 months · 7.0% APR · $2,350 down
Amount financed
$21,148
Total interest
$3,992
Estimate only. Excludes tax, title, registration and dealer fees, and assumes a fixed-rate loan with equal monthly payments. Your actual rate depends on your credit and lender.
Before you buy
A few important steps can help you buy with confidence.
- Check title and accident history
- Arrange an independent inspection
- Review factory equipment
- Check recalls by VIN
Frequently asked questions
Why do 2018 GMC C5 prices range from $15,718 to $27,818?
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 $19,624 and $25,741 — see the mileage and trim breakdowns above for where a specific vehicle lands.
Is $22,646 a good price for a 2018 GMC C5?
$22,646 is the market average as of October 28, 2026. The $23,498 median is a comparison point, not a deal rating. Compare the same trim and mileage band, and check condition, equipment and vehicle history.
How many 2018 GMC C5 are for sale right now?
10 in total, nearly all pre-owned. Counts refresh daily from live dealer inventory.
Is this the trade-in value or private-party value of my 2018 GMC C5?
These figures describe dealer asking prices, not trade-in offers, private-party sale values or completed sale prices. Use them to compare advertised vehicles. To find out what a buyer or dealer would pay for your car, request an offer that takes its mileage, condition, equipment and history into account.
How we calculate these prices
We track 10 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 reduce the influence of extreme values. This does not verify title status or guarantee that every erroneous listing is excluded. 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? See the factory window sticker for this C5 →
Own a 2018 GMC C5? See what it's worth →
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