Cadillac's BLS, a small sedan sold only in Europe, has been getting a mixed response from consumers since its March launch.
They seem to like it in Great Britain, but customers on the Continent are less enthusiastic, dealers tell Automotive News Europe.
It's an old problem for GM. Cadillac must overcome the belief among European buyers that American cars are gas-guzzlers that don't hold their value.
"That's the image that buyers have of U.S. cars," said Ad Janse, a Cadillac dealer in the Netherlands. "It's causing a reluctance among customers to buy the BLS, but we will overcome it."
Cadillac sold only 205 units in May, but a Cadillac Europe spokesman said the BLS -- which is based on the Saab 9-3 and built in Trollhattan, Sweden -- has increased showroom traffic.
"We are not panicking," he said, "although meeting our targets will cost us time and money."
GM expects BLS sales to account for three-quarters of the brand's targeted European volume of 20,000 units by 2010.