The Truth: If you pay more than $28,399 for this used Chevrolet Silverado, you're overpaying. A private party sale would cost around $25,507 — and the out-the-door cost at a dealer is approximately $30,324.

Used Car Value Breakdown

Dealer Retail$28,399
Private Party$25,507
Trade-In Value$23,140
Original MSRP$57,348

Depreciation & Value

Total depreciation since new$29,247 (51%)
Projected loss over next year$0 (0%)
Value retention ratingAverage

Mileage

Estimated mileage for this age121,600 miles
Average annual miles for this segment15,200 mi/year

Vehicles with above-average mileage should be priced lower; below-average mileage commands a premium.

Price Breakdown

Market Estimate · Updated May 4, 2026
MSRP$28,399
Invoice (Dealer Cost)$23,140
Average Paid$28,399
Typical Markup22.7%

What's a Good Deal?

Good DealBelow $26,695
Fair Deal$26,695$28,399
OverpayingAbove $30,103

Estimated Out-the-Door Price

$30,324

Includes average sale price + documentation fee ($150) + destination ($0) + estimated sales tax ($1,775)

Best time to buy: January typically sees the lowest prices.

Typical Fees to Watch

  • Documentation fee: $150
  • Destination charge: $0
  • Estimated sales tax: $1,775

Local Market Factors

  • Cost of living adjustment: 5% below national average
  • Dealer competition: Moderate
  • Sales tax rate: 6.3%

Vehicle Overview

When to Buy

Current month (May) is rated above-average for buying.

Best months to buy: January, September, October, November, December

Negotiation Tips

  1. Get a pre-purchase inspection before buying any used car in San Antonio — it costs $100–200 and can save you thousands.
  2. Always check the vehicle history report (Carfax or AutoCheck) for accidents, title issues, and service records.
  3. The trade-in value for this vehicle is approximately $23,140. Use this as your floor when negotiating.
  4. The private party price is around $25,507 — buying from a private seller typically saves 10–15% vs a dealer.
  5. Check for open recalls at nhtsa.gov — dealers must fix recalls for free regardless of where you bought the car.
  6. This model depreciates faster than average — you may find better deals, but consider the ongoing depreciation in your total cost of ownership.
  7. Budget approximately $1,775 for sales tax on top of the purchase price.

Frequently Asked Questions

What is a 2018 Chevrolet Silverado worth in San Antonio?

Based on current market estimates, the dealer retail price for a 2018 Chevrolet Silverado in San Antonio is approximately $28,399. The private party value is around $25,507, and the trade-in value is approximately $23,140.

How much has the 2018 Chevrolet Silverado depreciated?

The 2018 Chevrolet Silverado has depreciated approximately 51% from its original MSRP of $57,348. That’s a total loss of approximately $29,247. It will lose roughly $0 more over the next year.

What is the trade-in value for a 2018 Chevrolet Silverado?

The estimated trade-in value in San Antonio is approximately $23,140. This is what a dealer would typically offer. You can usually get more selling private party (estimated $25,507).

Is a 2018 Chevrolet Silverado a good deal right now?

A good deal on a 2018 Chevrolet Silverado in San Antonio is anything below $26,695. If you’re paying above $30,103, you’re likely overpaying. Check whether the vehicle has average mileage for its age — above-average mileage should bring the price down.

Should I buy from a dealer or private party?

Private party purchases typically save you $2,892 compared to a dealer in San Antonio. However, dealers often include limited warranties and handle paperwork. Weigh the savings against the convenience and any included protection.