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Big vehicles are selling for 40-45% discounts in some places. Which is more than the difference in fuel over 5 years for what most people drive. So the overall cost of ownership over that period vs. a small car is not so bad. After 5 years it's nearly worthless anyway, or it will be. So its value differential vs a small car is still pretty close.
The people who are hosed are the people who are upside down NOW in a loan in a nearly new big vehicle, assuming you're not self employed and you can't write down the value of a vehicle over 6,000 lbs up to $24,000 which is the law today.