With large-vehicle sales falling across the industry, auto dealerships are being forced to adjust their on-site inventories.

"There's no question right now that gasoline prices are impacting customer's buying decisions," said Mike Weber, general sales manager at Jerome Taylor Pontiac Buick GMC in Windsor.

"Trucks are down slightly and interest in smaller vehicles such as the Torrent, G5 and G6 are up," said Weber. "We're ordering fewer trucks and I won't even carry a Yukon anymore because the market isn't there.