VEHICLES IN PRODUCTION: Reserve a Buick or GMC in Union

1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 2. Based on MSRP of $55,370. 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. Length of contract limited. Some customers will not qualify. Savings based on Bankrate of 5.64%. Not available with lease and some other offers. Take new retail delivery by 1/2/26.

1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 2. Excludes Avenir Models. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2020 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 3. Deferred monthly payments for 120 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 1/2/26.

1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 2. Excludes Enclave Avenir Models. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2020 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 3. Deferred monthly payments for 120 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 1/2/26.

1. HUMMER EV is available from a GMC EV dealer. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 1/2/26. 2. To qualify for the GM Limited-Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by September 30, 2025; (2) register with Costco Auto Program online or through its call center by January 2, 2026, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any GMC dealer at time of visit; (4) take delivery between October 1, 2025, and January 2, 2026, of a new 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.