At Ross Downing GMC in Hammond, LA, we’re excited to share the latest GMC financing incentives for September 2025 and beyond. As your trusted GMC dealer, we’re here to help you navigate the world of automotive financing and find the best deal on your dream vehicle.

September 2025 Highlights
GMC Sierra 1500: Power Meets Savings
The versatile Sierra 1500 comes with enticing offers this month:
- Qualified buyers can enjoy rates as low as 0.9% APR for 36 months on 2026 models.
- For 2025 models, there’s a special offer of 0% APR for 36 months plus up to $8,250 in cash allowances on select trims.
- Cash rebates of up to $10,750 are available on select 2025 trims for those preferring to finance elsewhere.
GMC Sierra Heavy Duty: Robust Savings for Robust Trucks
For the Sierra HD lineup (2500HD and 3500HD):
- Enjoy 5.9% APR financing for 84 months on 2025 Sierra Heavy Duty Denali models.
- An additional $1,000 purchase allowance is available, potentially saving you an average of $4,089 in finance charges.
GMC Terrain: Compact SUV, Expansive Offers
The stylish Terrain comes with attractive financing options:
- A $750 purchase allowance when you finance through GM Financial on 2025/2026 models.
GMC Acadia: Mid-Size Savings
For the family-friendly Acadia:
- Well-qualified buyers can take advantage of 1.9% APR financing.
GMC Yukon & Yukon XL: Full-Size Deals
The spacious Yukon and Yukon XL offer:
- 6.2% APR for 84 months for well-qualified buyers on 2024 models.
- An additional $2,000 purchase allowance for current eligible Buick or GMC owners/lessees.
GMC Hummer EV: Electrifying Incentives
For the revolutionary Hummer EV:
- A $7,500 EV lease incentive is available, but act fast as this offer ends soon.
Year-Round and Annual Incentives
Costco Member Exclusive
Current eligible Costco members can enjoy additional savings:
- Executive members receive a $1,250 allowance towards a purchase or lease.
- Non-Executive members receive a $1,000 allowance.
Special Group Offers
GMC values its community and offers specialized discounts throughout the year:
- GM Employee Discounts: Special pricing for GM employees and their families.
- Military Personnel Appreciation:
- Available for Active Duty members, Reservists, National Guard members, Veterans, and Retirees of the U.S. Armed Forces.
- Eligible participants can sponsor their spouse.
- Valid until January 2, 2026.
- Educator Discount:
- For current employees of public schools, private schools (PreK-12), and college/university professors or faculty.
- Valid until January 2, 2026.
- First Responder Offer:
- Available for eligible Firefighters, Police, EMTs/Paramedics, and 911 Dispatchers.
- Valid until January 2, 2026.
- Healthcare Professional Offers: Special discounts for those in the healthcare industry.
Annual Programs
- College Discount Program: Special offers for recent college graduates.
- First-Time Buyer Program: Designed to help first-time car buyers with competitive rates and possible down payment assistance.
- Loyalty Programs: Additional incentives for current GMC owners or lessees when purchasing or leasing a new GMC vehicle.
Flexible Financing Options
- 90-Day Deferred Payments: Available on select models, allowing you to drive home your new GMC today and start payments later.
- Lease Offers: Competitive lease rates and terms available across the GMC lineup.
- GM Financial Services: Simple interest loans with flexible payment options, including online payments and automatic withdrawals.
Important Notes
- Offers are subject to change and may vary based on your location and the specific vehicle you’re interested in.
- “Well-qualified buyers” typically refers to individuals with excellent credit scores, stable income, and a positive credit history.
- Most offers require financing through GM Financial.
- Verify current offers with us at Ross Downing GMC in Hammond, LA, as they can change without notice.
At Ross Downing GMC, we’re committed to helping you find the perfect vehicle with the best possible financing terms. Whether you’re looking for a rugged Sierra, a family-friendly Terrain, or the innovative Hummer EV, we have the expertise to guide you through the process.
Visit us today to explore our inventory and take advantage of these limited-time GMC financing incentives. Let’s work together to get you behind the wheel of your dream GMC vehicle with a financing plan that fits your lifestyle and budget.


