Final Price
$136,590
1/27
2026 GMC® Sierra 1500
AT4 Hennessey
- MSRP$78,950
- Documentation Fee+$595
- McGovern Price$140,590
- GMC Bonus Cash-$1,000
- Buick & GMC Consumer Cash Program-$1,500
- GMC Bonus Cash-$1,500
- Final Price$136,590
- GM Rewards Card Sales Sign Up and Spend Offer-$500
- GM Trade In Allowance Program-$4,000
- GM First Responder Cash Allowance Program-$500
- GM Military Cash Allowance Program-$500
$2,291
per month
4.5
% APR
$13,659
Down
60
Months
Get pre-qualified in seconds.
Basic information
Stock #
VIN
Features
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Detailed Information
Description
This isn't your average off-road truck, its a 2026 GMC Sierra AT4 Goliath 700 built by Hennessey. Combining high-end GMC refinement with legendary Hennessey Performance engineering, this Goliath 700 is finished in Onyx Black and delivers incredible muscle, aggressive styling, and exceptional capability.
Performance & Capability
•Twin-Screw Supercharger System: Blown air-to-water intercooled setup paired with custom HPE engine calibration for immense, smooth power delivery.
•Aggressive Exhaust: Stainless steel catback exhaust system fitted with sleek upgraded black tips for a deep, commanding rumble.
•DSSV & BDS Suspension: Multimatic DSSV shocks paired with a BDS suspension upgrade and enhanced upper control arms ensure superior ride quality and articulation.
•Big Brake Stopping Power: Upgraded GM Performance 6-piston big brake kit brings all that horsepower to a confident halt.
•Trail-Ready Stance: Riding on 20-inch Hennessey performance wheels wrapped in massive 35-inch off-road tires.
Exterior & Styling
•Goliath Steel Bumpers: Heavy-duty Hennessey Goliath front bumper featuring an integrated push bar, recovery tow hooks, and a heavy-duty branded skid plate, complemented by a matching Goliath rear bumper.
•Illuminated Trail Vision: Integrated 40-inch LED light bar along with 3-inch LED pod lights and upgraded fog lights to slice through the dark.
•Carbon Fiber Touches: Upgraded exposed carbon fiber hood applique and carbon fiber "Hennessey" tailgate applique accenting the deep Onyx Black finish.
•Convenience & Badging: Raised Hennessey and Goliath badging with electronic power running boards for easy entry and exit.
Interior & Exclusivity
•Limited Production: One of only 250 units produced annually, featuring serial-numbered interior plaques.
•Premium Protection: Custom Hennessey all-weather floor mats protecting the factory-fresh cabin.
•Peace of Mind: Backed by a 3-year / 36,000-mile limited warranty.
Performance & Capability
•Twin-Screw Supercharger System: Blown air-to-water intercooled setup paired with custom HPE engine calibration for immense, smooth power delivery.
•Aggressive Exhaust: Stainless steel catback exhaust system fitted with sleek upgraded black tips for a deep, commanding rumble.
•DSSV & BDS Suspension: Multimatic DSSV shocks paired with a BDS suspension upgrade and enhanced upper control arms ensure superior ride quality and articulation.
•Big Brake Stopping Power: Upgraded GM Performance 6-piston big brake kit brings all that horsepower to a confident halt.
•Trail-Ready Stance: Riding on 20-inch Hennessey performance wheels wrapped in massive 35-inch off-road tires.
Exterior & Styling
•Goliath Steel Bumpers: Heavy-duty Hennessey Goliath front bumper featuring an integrated push bar, recovery tow hooks, and a heavy-duty branded skid plate, complemented by a matching Goliath rear bumper.
•Illuminated Trail Vision: Integrated 40-inch LED light bar along with 3-inch LED pod lights and upgraded fog lights to slice through the dark.
•Carbon Fiber Touches: Upgraded exposed carbon fiber hood applique and carbon fiber "Hennessey" tailgate applique accenting the deep Onyx Black finish.
•Convenience & Badging: Raised Hennessey and Goliath badging with electronic power running boards for easy entry and exit.
Interior & Exclusivity
•Limited Production: One of only 250 units produced annually, featuring serial-numbered interior plaques.
•Premium Protection: Custom Hennessey all-weather floor mats protecting the factory-fresh cabin.
•Peace of Mind: Backed by a 3-year / 36,000-mile limited warranty.
Dealership Information
Sunday
Closed
Monday
9:00am - 7:00pm
Tuesday
9:00am - 7:00pm
Wednesday
9:00am - 7:00pm
Thursday
9:00am - 7:00pm
Friday
9:00am - 6:00pm
Saturday
9:00am - 6:00pm
McGovern GMC of Westborough
2026 GMC® Sierra 1500
AT4 Hennessey
- MSRP$78,950
- Documentation Fee+$595
- McGovern Price$140,590
- GMC Bonus Cash-$1,000
- Buick & GMC Consumer Cash Program-$1,500
- GMC Bonus Cash-$1,500
- Final Price$136,590
- GM Rewards Card Sales Sign Up and Spend Offer-$500
- GM Trade In Allowance Program-$4,000
- GM First Responder Cash Allowance Program-$500
- GM Military Cash Allowance Program-$500
$2,291
per month
4.5
% APR
$13,659
Down
60
Months
Get pre-qualified in seconds.