The Polestar 4 electric vehicle is being offered this month with an unbelievable 45% off the base price.PolestarManufacturers' sales incentives, including cash rebates, lease deals and discounted financing, have become relatively common over the years to help dealers clear inventories of slow-selling and overstocked models. According to Kelley Blue Book, incentive spending now accounts for around 7% of the national average transaction price, with electric vehicles at a generous 14%.While checking automakers' websites uncovered a healthy list of models offering $4,000-$10,000 in cash-back deals this month, one brand is going all out to move the metal with incentives at stratospheric levels.With the federal Department of Commerce set to begin blocking the import and sales of cars with connected-vehicle technology linked to China or Russia, Volvo electric-car subsidiary Polestar has decided to phase out its U.S. operations following the 2027 model year. It's already begun what amounts to a full-scale fire sale, with cash rebates as big as $25,000 on the Polestar 4 and $23,000 on the Polestar 3.AdvertisementAdvertisementFor those keeping score, the Polestar 4 starts at $56,000, with the rebate slashing the price to around $31,400. That's essentially a whopping 45% off the MSRP, and that's just for walking in the door.Also of note, Dodge is bringing back its Power Dollars program this month, in which gas-powered Charger models are being offered with a $10 cash allowance for every horsepower. That comes to $4,200 cash back on the 420-horsepower Dodge Charger R/T and R/T Plus Sixpack models and a $5,500 rebate on 550-horsepower Dodge Charger Scat Pack and Scat Pack Plus Sixpack trims.We're featuring the complete list of 40 cars, trucks and SUVs offering the most valuable cash rebates below. Keep in mind that cash rebates come directly from the automaker and do not include the dealer's discount. Be sure to negotiate the transaction price separately from any cash rebate that may apply and as should always be the case, shop around for the best bottom-line deal.Also, be aware that automakers' incentives often vary by region to address local supply and demand issues, and sometimes vary from one model's trim level to another. In addition, automakers also offer extra rebates to military members, first responders and current owners/lessees of both same-brand and competing models. Be sure to check a manufacturer's website, usually under a "local offers" or "special deals" tab to confirm what's being offered locally.The 40 Biggest New-Vehicle Cash Rebates For JulyAudi A6 quattro: $4,000 cash, buy or leaseAudi Q7/SQ7: $6,000 cash, buy or leaseAudi Q8: $6,000 cash, buy or leaseBMW i7/M70: $7,500 purchase creditChevrolet Silverado EV (2025): $4,000 cash backChrysler Pacifica: up to $7,500 cash backDodge Charger (w/gas engine): $4,200-$5,500 cash backFord Escape: $5,000 cash backFord Escape Plug-In Hybrid: $8,000 cash backFord Explorer: $4,000 cash backFord F-150: up to $4,000 cash backFord Mustang Mach-E: $5,000 cash backGenesis Electrified GV 70: $5,000 cash buy or leaseGenesis GV 60: $5,000 cash buy or leaseGenesis G90: $5,000 cash buy or lease ($10,000 for competitive vehicle owners)Hyundai Ioniq 5: Up to $7,000 cash backHyundai Ioniq 6: Up to $7,500 cash backHyundai Ioniq 9: Up to $10,000 cash backHyundai Tucson Plug-in Hybrid: $4,000 cash backInfiniti QX80: $10,000 cash back (2027 models $5,000 cash back)Infiniti QX60: $5,000-$6,000 cash backJeep Grand Cherokee: Up to $4,500 cash backJeep Wagoneer S: Up to $8,250 cash backJeep Wrangler: Up to $4,500 cash backKia Niro EV: $10,000 cash backKia EV9: $10,000 cash backLexus RZ: $5,500 cash backMazda CX-70: $5,000 cash backMazda CX-90: $5,000 cash backNissan Rogue: $4,500 cash backNissan Rogue Plug-In Hybrid: $5,000 cash backNissan Murano: $5,000 cash backNissan Frontier: $4,500 cash backPolestar 3: $23,000 cash back (or $20,000 lease bonus cash)Polestar 4: $25,000 cash back (or $20,000 lease bonus cash, or 0.0% financing for 60 months and $18,000 cash)RAM 1500 Limited Crew Cab: 15% off MSRP (average $13,330)Toyota bZ: $4,000 cash backVolkswagen ID.4: $7,500 cash backVolkswagen ID.Buzz: $7,500 cash backVolvo EX40: $7,500 lease cashSource: Automakers' websites.This article was originally published on Forbes.com