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President Donald Trump is threatening to impose a tax for vehicles sold in the U.S. that aren’t made in America.

Unfortunately, his plan will impact American automakers just as it will affect Japanese, Korean, and European ones too. All of the Detroit Big Three manufacture vehicles outside the U.S. borders, some of which are America’s best-selling vehicles.

SEE ALSO: Donald Trump Threatens the Canadian Auto Industry

So how could things change if Trump imposes a big border tax on vehicles manufactured in Mexico or Canada? Let’s take a look at the top 10 best selling cars manufactured by American automakers that aren’t actually built in the U.S.

Also, here’s an interesting fact: The spectacular Ford GT supercar is built in Ontario, Canada, but we didn’t include it on the list because its sales/production volume are just too low to match the following vehicles on this list.

10. Chrysler 300

Last year, Chrysler sold 53,241 units of its 300, making it the 94th best-selling car in the U.S. overall. The model is actually manufactured in Canada and shipped to the U.S., which originally caused a stir when Chrysler launched its “Imported from Detroit” campaign.

9. Chrysler Pacifica

The new Chrysler Pacifica minivan was introduced last year and still it managed to sell 62,366 units, proving that minivans aren’t completely dead. Overall, it was ranked 81st on the best-selling vehicles in the U.S. list for 2016. Chrysler manufactures the Pacifica minivan at its Windsor Assembly Plant just across the river from Detroit.

ALSO SEE: 2017 Chrysler Pacifica Touring L Plus Review

8. Dodge Challenger

The Dodge Challenger ranked 79th on the list, selling 64,433 units last year. The American sports car competes with the Ford Mustang and Chevrolet Camaro, but is actually built in Canada, at the same plant as the Chrysler 300 in Brampton, Ont.

7. Dodge Charger

Like the Chrysler 300 and Dodge Challenger, the Charger is manufactured in Canada at the Brampton Assembly Plant outside of Toronto. Perhaps more surprising is that the Charger outsold the Challenger, with 95,437 units moving off dealership lots last year, ranking it 58th overall.

6. Jeep Renegade

Jeep’s compact crossover was the 50th best-selling car in the U.S. last year and although the brand is so iconic among Americans, the Renegade is built in Melfi, Italy, alongside the related Fiat 500X.

5. Ford Edge

Ford manufactures several of its models in Canada and the Edge crossover is one of them. Built at the company’s Canadian factory in Oakville, Ont., the Ford Edge was the 32nd best-selling car in the U.S. after moving 134,588 units last year.

4. Chevrolet Equinox / GMC Terrain

Both the Chevrolet Equinox and GMC Terrain are manufactured in Canada. Last year, Chevy sold 242,195 Equinox crossovers, while the GMC Terrain moved 87,925 units. That landed the Equinox at 15th place overall while the Terrain sits at 63rd place.

3. Ford Fusion

Production of the Ford Fusion is in Mexico, along with other Ford models like the Fiesta and Lincoln MKZ. The sedan proved to be quite popular with shoppers last year with 265,840 units sold, putting it in 13th place overall.

ALSO SEE: 2017 Ford Fusion Review

2. Ram 1500

Not all Ram pickup trucks are built outside the U.S., but demand is so strong that the Ram 1500 Regular Cab is also built in Mexico. Many of the Ram 1500 Crew Cab models are also built there as well. The Ram pickup truck was the third best-selling vehicle in the U.S. last year, moving a total of 489,418 units.

1. Chevrolet Silverado / GMC Sierra

Even though it’s of the best-selling vehicles in the U.S., not all Chevrolet Silverados are actually built in the U.S. Like Ram, General Motors uses several plants to assemble their pickup trucks with the popular Crew Cab models manufactured in Mexico. The Silverado and Sierra Regular and Double Cabs are, however, built in America. Last year, Chevrolet sold 574,876 Silverado pickup trucks, only bested by the Ford F-Series. The Sierra wasn’t as popular, sitting at 17th on the list after selling 221,680 units.