# 2020 GMC Sierra 1500 SLT

- Price (advertised): $32,200
- Market price: $25,923
- Deal: Above market, score 16/100, rank 34 of 38
- Condition: Used
- Mileage: 100,005 mi
- Model year: 2020
- Color: SUMMIT WHITE
- Drivetrain: Four Wheel Drive
- VIN: 3GTU9DED9LG402139
- Photos: 24
- Dealer: hileygm.com, Fort Worth, TX
- Market: Dallas
- Data as of: 2026-11-13

## Why it ranks where it does

- Advertised at $32,200, $6,277 over its market price of $25,923.
- Market price is what a 2020 GMC Sierra 1500 with 100,005 miles is advertised for around Dallas.
- 100,005 miles is above the 72,000 typical for its age.
- Ranked 34 of 38 comparable 2020 GMC Sierra 1500 in Dallas, score 16 out of 100.

Price is the dealer's advertised price, before tax, title and registration. Confirm price and availability with the dealer.

## Safety and recalls

- NHTSA overall safety rating: 4 to 5 of 5 by version
- Frontal crash: 4 of 5
- Side crash: 5 of 5
- Rollover: 4 of 5
- Recall campaigns issued for this model year: 12
- Owner complaints filed with NHTSA for this model year: 486
- A recall campaign covers the model year, not this one car. Check this car's VIN: https://www.nhtsa.gov/recalls?vin=3GTU9DED9LG402139

## Specs

- Engine: 5.3L 8-Cylinder
- Transmission: Automatic
- Fuel: gas
- Stock number: U3585
- First listed: 2026-11-07

## Itemized price

- Advertised price: $32,200
- Dealer document fee: $225

## Real alternatives nearby

- Costs less: [2021 GMC SIERRA 1500 SLT](https://carfinity.ai/car/2021-gmc-sierra-1500-slt-fec6f0376358/) at $30,716, 65,234 mi, hileyhyundaioffortworth.com
- Costs less: [2020 GMC Sierra 1500 Denali](https://carfinity.ai/car/2020-gmc-sierra-1500-denali-700fa401c1e0/) at $31,491, 98,489 mi, waxusedcars.com
- Costs less: [2021 GMC Sierra 1500 AT4](https://carfinity.ai/car/2021-gmc-sierra-1500-at4-04eefad6c86b/) at $28,900, 114,022 mi, heritagegmcbuick.com
- A step up: [2020 GMC Sierra 1500 SLT](https://carfinity.ai/car/2020-gmc-sierra-1500-slt-fce9a67b12f8/) at $32,750, 35,586 mi, subarugrapevine.net
- A step up: [2021 GMC Sierra 1500 AT4](https://carfinity.ai/car/2021-gmc-sierra-1500-at4-33c18f58db07/) at $34,999, 70,587 mi, Lute Riley Honda
- A step up: [2021 GMC Sierra 1500 AT4](https://carfinity.ai/car/2021-gmc-sierra-1500-at4-6534e1acd4b5/) at $33,300, 77,191 mi, heritagegmcbuick.com

- Page: https://carfinity.ai/car/2020-gmc-sierra-1500-slt-b7345f23ffdc/
- See it on the dealer's site: https://carfinity.ai/go/b7345f23ffdc
- More like it: https://carfinity.ai/used/gmc-sierra-1500/dallas-tx/