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2018 GMC Sierra 1500 For Sale in San Antonio, TX

Prices starting at: $29,000

View photos, watch videos and get a quote on a new 2018 GMC Sierra 1500 in San Antonio, TX.

2018 GMC Sierra 1500

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Learn More About Buying a 2018 GMC Sierra 1500 in San Antonio

Visit Gunn Automotive Group for a great deal on a new 2018 GMC Sierra 1500. Our sales team is ready to show you all of the features that you will find in the GMC Sierra 1500 and take you for a test drive in the San Antonio Area. At our GMC dealership you will find competitive prices, a stocked inventory of 2018 GMC Sierra 1500 cars and a helpful sales team. Stop by our car dealership today and take a 2018 GMC for a spin.

GMC (1)

Sierra 1500 Truck (26)

2019

Manufacturer Offer

Employee Allowance Offer : $3,500 cash back on select GMC models

  1. $3,500 Offer
  • Applies to multiple models.

2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Employee Allowance Offer : $2,500 cash back on select GMC models

    1. $2,500 Offer
    • Applies to multiple models.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Loyalty Offer : $2,500 cash back on select GMC Sierra 1500 models

    1. $2,500 Offer
    • Applies to select new 2019 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Loyalty program available to customers who currently own or lease a 1999 or newer Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, or Saturn. Customers are not required to trade in their qualifying vehicle or terminate their current lease. Offer is transferable to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Employee Allowance Offer : $1,500 cash back on select GMC models

    1. $1,500 Offer
    • Applies to multiple models.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Loyalty Offer : $1,000 cash back on select GMC models

    1. $1,000 Offer
    • Applies to select new 2019 GMC Canyon, Sierra 1500, and Sierra 1500 Limited.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Loyalty program available to customers who currently own or lease a 1999 or newer Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, or Saturn. Customers are not required to trade in their qualifying vehicle or terminate their current lease. Offer is transferable to individuals residing in the same household. (See Trims)
    • See State Disclaimer *

    2018

    Manufacturer Offer

    $0% APR for 72 months on select 2018 GMC Sierra 1500 SLT

    1. 0.0% APR for 24 months
    2. 0.0% APR for 36 months
    3. 0.0% APR for 39 months
    4. 0.0% APR for 42 months
    5. 0.0% APR for 48 months
    6. 0.0% APR for 60 months
    7. 0.0% APR for 72 months
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Must be equipped with one of the following packages: **PDA** **PDE** **PDU** Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 0.0% APR with $2,500 down payment provides for 72 monthly payments of $13.89 per $1000 financed for qualified buyers. 0.0% APR for a term of 24 months corresponds to a monthly cost of $41.67 per $1000 financed. 0.0% APR for a term of 36 months corresponds to a monthly cost of $27.78 per $1000 financed. 0.0% APR for a term of 39 months corresponds to a monthly cost of $25.64 per $1000 financed. 0.0% APR for a term of 42 months corresponds to a monthly cost of $23.81 per $1000 financed. 0.0% APR for a term of 48 months corresponds to a monthly cost of $20.83 per $1000 financed. 0.0% APR for a term of 60 months corresponds to a monthly cost of $16.67 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    $3,500 cash back on select 2018 GMC Sierra 1500

    1. $3,500 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Vehicle MUST be equipped with L8B: **L8B** (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    $3,000 cash back on select 2018 GMC Sierra 1500

    1. $3,000 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Vehicle MUST be equipped with PDC: **PDC** (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    $2,000 cash back on select 2018 GMC Sierra 1500

    1. $2,000 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • See State Disclaimer *
    Manufacturer Offer

    $2,000 cash back on select 2018 GMC Sierra 1500

    1. $2,000 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Vehicle MUST be equipped with PDT, PDU, PDB: **PDT**, **PDU**, **PDB** Vehicle must NOT be equipped with L8B: **excludes L8B** (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    $1,250 cash back on select 2018 GMC Sierra 1500 Denali

    1. $1,250 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • See State Disclaimer *
    Manufacturer Offer

    $1,000 cash back on select 2018 GMC Sierra 1500 Base

    1. $1,000 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Vehicle MUST be equipped with SXL: **SXL** (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    $500 cash back on select 2018 GMC Sierra 1500

    1. $500 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • See State Disclaimer *
    Manufacturer Offer

    $500 cash back on select 2018 GMC Sierra 1500

    1. $500 cash back
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • See State Disclaimer *
    Manufacturer Offer

    Financing Offer : 3.9% APR for 60 months on select GMC Sierra 1500 models

    1. 3.9% APR for 24 months
    2. 3.9% APR for 36 months
    3. 3.9% APR for 39 months
    4. 3.9% APR for 42 months
    5. 3.9% APR for 48 months
    6. 3.9% APR for 60 months
    7. 6.9% APR for 72 months
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 3.9% APR with $2,500 down payment provides for 60 monthly payments of $18.37 per $1000 financed for qualified buyers. 3.9% APR for a term of 24 months corresponds to a monthly cost of $43.38 per $1000 financed. 3.9% APR for a term of 36 months corresponds to a monthly cost of $29.48 per $1000 financed. 3.9% APR for a term of 39 months corresponds to a monthly cost of $27.34 per $1000 financed. 3.9% APR for a term of 42 months corresponds to a monthly cost of $25.51 per $1000 financed. 3.9% APR for a term of 48 months corresponds to a monthly cost of $22.53 per $1000 financed. 6.9% APR for a term of 72 months corresponds to a monthly cost of $17 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Employee Allowance Offer : $3,500 cash back on select GMC models

    1. $3,500 Offer
    • Applies to select new 2018 GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Yukon, and Yukon XL.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Loyalty Offer : $3,000 cash back on select GMC Sierra 1500 models

    1. $3,000 Offer
    • Applies to select new 2018 GMC Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Loyalty program available to customers who currently lease a 2012 or newer Buick, Chevrolet, Cadillac, or GMC through Ally, GM Financial, or US Bank. Customers are not required to terminate their current lease or trade in their vehicle. Offer is transferable to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Employee Allowance Offer : $2,500 cash back on select GMC models

    1. $2,500 Offer
    • Applies to select new 2018 GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Yukon, and Yukon XL.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Certificate Offer : $2,000 cash back on select GMC models

    1. $2,000 Offer
    • Applies to multiple models.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Only customers with a certificate qualify for the incentive. Each certificate can only be used once and can only be used on the purchase or lease of one vehicle. No facsimiles or mechanical reproductions of certificate other than from GMGlobalConnect.com will be allowed. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Loyalty Offer : $2,000 cash back on select GMC models

    1. $2,000 Offer
    • Applies to select new 2018 GMC Sierra 1500, Yukon, and Yukon XL.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Loyalty program available to customers who currently lease a 2012 or newer Buick, Chevrolet, Cadillac, or GMC through Ally, GM Financial, or US Bank. Customers are not required to terminate their current lease or trade in their vehicle. Offer is transferable to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Employee Allowance Offer : $1,500 cash back on select GMC models

    1. $1,500 Offer
    • Applies to select new 2018 GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Yukon, and Yukon XL.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance must be used in conjunction with either the GM Employee Purchase Program - order/stock (18-06-*) or the GM Employee QRD Purchase Program (18-06QRD-*). Each certificate (authorization number) can only be used once. This allowance can only be used by the eligible General Motors employee. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Conquest Offer : $1,500 cash back on select GMC models

    1. $1,500 Offer
    • Applies to multiple models.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Offer applies to customers who currently lease a 2012 or newer non-GM (ie. Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, or Saturn) passenger car or truck. If the new vehicle is being delivered under the GM employee purchase program, the customer must have a competitive lease with a scheduled end date within 365 days of the delivery date of the new vehicle. This offer can be transferred to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Trade-In Offer : $1,000 cash back on select GMC models

    1. $1,000 Offer
    • Applies to select new 2018 GMC Canyon, Sierra 1500, and Terrain.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Trade in allowance program for customers that own a 1999 or newer passenger car or truck (including 3/4 ton pickups and vans) and trade in their vehicle towards the purchase of one of the eligible qualifying vehicles. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Loyalty Offer : $1,000 cash back on select GMC models

    1. $1,000 Offer
    • Applies to select new 2018 GMC Canyon and Sierra 1500.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Loyalty program available to customers who currently own or lease a 1999 or newer Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, or Saturn. Customers are not required to trade in their qualifying vehicle or terminate their current lease. Offer is transferable to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Conquest Offer : $500 cash back on select GMC models

    1. $500 Offer
    • Applies to select new 2018 GMC Savana 2500, Savana 3500, Sierra 1500, Sierra 2500HD, and Sierra 3500HD.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • Offer applies to customers who currently lease a 2012 or newer non-GM (ie. Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, or Saturn) passenger car or truck. If the new vehicle is being delivered under the GM employee purchase program, the customer must have a competitive lease with a scheduled end date within 365 days of the delivery date of the new vehicle. This offer can be transferred to individuals residing in the same household. (See Trims)
    • See State Disclaimer *
    Manufacturer Offer

    Financing Offer : $500 cash back on select GMC models

    1. $500 Offer
    • Applies to select new 2018 GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Yukon, and Yukon XL.

    2015 GMC Sierra 1500 Truck Crew Cab
  • * Disclaimer(s)
    • This allowance is only available to customers who finance their vehicle through GM Financial with an Unsupported APR contract. (See Trims)
    • See State Disclaimer *

    Interested in a different GMC? Click a link below and find the GMC that fits your lifestyle.

     


    Explore the Latest Sierra 1500 Pickups from GMC

    Delivering high performance with class-exclusive features and a responsive powertrain all wrapped up within a chiseled construction, drivers can expect a durable and powerful capability from our GMC Sierra 1500 pickups. This light-duty truck achieves up to 420-horsepower and 12,500 pounds of towing in our 2018 models. Whether you're looking for a capable light-duty work truck or an alternative to a family vehicle, San Antonio area drivers can explore our latest new and used Sierra 1500 trucks at Gunn Auto Group.

    Our new Sierra 1500 models are available in a range of different cab and bed options to accommodate your cargo and hauling needs. A variety of fuel-efficient V8 engines comes standard across our Sierra 1500 lineup which includes a 4.3-liter EcoTec3 V6 engine as well as a 5.3-liter and 6.2-liter EcoTec3 V8 engine. Drivers can explore our Sierra 1500 SLT trucks equipped with a standard EcoTec3 V8 engine and six-speed automatic transmission and an eight-inch GMC infotainment system. A 4.3-liter EcoTec3 V6 engine comes standard on the Sierra and Sierra SLE pickups with similar infotainment systems and advanced safety features.

    A wide range selection of cab, bed, drive train, and engine options can be found throughout our Sierra 1500 pickups including our used models. Drivers looking to save on a quality pickup option can explore our used and certified pre-owned pickups ready to hit the road at low prices. Our Sales professionals can get you behind the wheel for a test drive and to discuss our current auto-financing specials and incentives to help you save even more on your new or used light-duty GMC pickup. Shop for new Sierra 1500 trucks near Schertz, Live Oak, Selma, and Boerne.