2021 GMC Sierra HD
2021 GMC Sierra HD in Greer, SC
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POWERFUL PERFORMANCE
When you pair the available Allison® 10-speed automatic transmission with the available 6.6L Duramax® Turbo-Diesel V8 engine, you can tow with absolute command and control.
AVAILABLE IN-VEHICLE TRAILERING APP1
Integrated into the Infotainment screen, the different available camera views let you easily keep tabs on your truck and trailer while the in-vehicle Trailering App provides a Trailer Light Sequence Test, an available Trailer Tire Pressure and Temperature Monitoring System2, and more.
BEST-IN-CLASS HEAVY-DUTY CARGO BED VOLUME
The roll-formed high-strength steel bed with available durable spray-on bedliner features 12 cargo tie-downs and offers best-in-class heavy-duty cargo bed volume3 of 69.6–83.5 cu. ft.
BEST-IN-CLASS CREW CAB FRONT HEAD AND LEG ROOM4
The spacious Crew Cab interior cabin features premium materials with class-leading 43" of front head room and 44.5" of front leg room.
Final offer includes a $549 Dealer Closing Fee and excludes all government-imposed taxes and fees. 2.9% APR valid on MY26 Acadia models up to 36 months based on $29.04/$1,000 financed with approved GMF credit. Must finance with GM Financial. Example down payment 15.5%, some may not qualify; No payments 120 days valid on MY26 Terrain models, finance charges accrue from date of financing and are the customer’s responsibility. Deferred monthly payments for 120 days with approved credit; Must finance with GM Financial, down payment required at signing if applicable. Offers end 08/03/2026 Not available with lease and some other offers. Finance charges accrue from date of financing and are the customer’s responsibility. Deferred monthly payments for 90 days with approved credit; Must finance with GM Financial, down payment required at signing if applicable. Final offer includes a $549 Dealer Closing Fee and excludes all government-imposed taxes and fees. Offers end 08/03/2026 Offers include a $549 Dealer Closing Fee and excludes all government-imposed taxes and fees, Some may not qualify. Not available with lease and some other offers. 0.9% APR for qualified customers with approved credit through GM Financial, Down payment may be required; Deferred monthly payments for 90 days must finance with GM Financial, down payment required at signing if applicable, finance charges accrue from date of financing (customer’s responsibility); $1,000 Purchase Allowance for current owner for 2012 model year or newer non-GM vehicle or a current lessee of a 2021 model year or newer non-GM vehicle for at least 30 days prior to new vehicle sale. Not all will qualify. See dealer for details. Offers ends 08/03/2026. 0% APR for 36 months for qualified customers with approved credit through GM Financial based on $27.78/$1,000 financed. Example down payment: 10.7%. Final offer includes a $549 Dealer Closing Fee and excludes all government-imposed taxes and fees, Some may not qualify. Not available with lease and some other offers. Offer ends 08/03/2026.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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Disclaimers
1App functionality and features vary with vehicle equipment and trim level. Data connection may be required. Some features require active service plan and working electrical system. Terms and limitations apply.
2Extra-cost feature; requires installation.
3Cargo and load capacity limited by weight and distribution.
4Excludes other GM vehicles.