1. Available on Sierra EV Elevation Base Standard Range, Base Extended Range and Premium Extended Range, AT4 Base Extended Range and Premium Extended Range and Denali Base Standard Range and Base Extended Range models. If this vehicle was not used as a courtesy transportation vehicle by your dealer, then this vehicle may qualify for the federal new clean vehicle tax credit under Section 30D of the Inflation Reduction Act (IRA). IRS-qualified dealers eligible to offer the tax credit and participating dealers may apply the tax credit at the point of sale toward the vehicle price. See dealer for details and to confirm vehicle tax credit qualification. Your personal eligibility to claim this tax credit depends on your individual circumstances, including whether your adjusted gross income for the current or preceding taxable year exceeds the income thresholds contained in Section 30D. Buyers are advised to obtain a copy of the IRS's confirmation that a "time-of-sale" report was submitted successfully by the dealer. You should consult your tax, accounting or legal advisor to confirm your eligibility or if you have questions regarding this tax credit. This information does not constitute tax, accounting or legal advice. Credit availability and amount subject to federal law and regulations and manufacturing constraints. For information about the IRA’s federal tax credit, please visit https://www.fueleconomy.gov/feg/taxevb.shtml. Must take delivery by 9/30/2025.

1. Monthly payment is $27.78 for every $1,000 you finance. Average example down payment is 9.7%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 2. AVAILABLE ON THE TURBOMAXTM ENGINE. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 3. AVAILABLE ON THE TURBOMAXTM ENGINE. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2020 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE THROUGH GM FINANCIAL FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 4. AVAILABLE ON THE TURBOMAXTM ENGINE.

1. Available for eligible individual buyers on new qualifying vehicles assembled in the US. Only applies to interest paid in tax years 2025-2028 on new debt contracted after 12/31/2024. Tax deduction subject to change and filing requirements. Income restrictions and other restrictions and limitations may apply. Consult your tax, legal, or accounting professional if you have questions. This information does not constitute tax, accounting, or legal advice. Deduction subject to federal laws and regulations and manufacturing constraints.