Ford Del Ray (Volkswagen)The Del Ray was another case of Ford partnering with Volkswagen, with the vehicle bearing a 1.8-liter engine from the latter manufacturer during the early 1990s. This also happened to be around the time the Del Rey was discontinued and replaced, so Volkswagen's influence on the vehicle's powertrain didn't last very long. In fact, as it was only present starting in 1989, it might have the shortest run of any outside company's engine. Still, compared to its only other option, the 1.8-liter choice provided greater horsepower and torque, and the lesser 1.6-liter alternative wasn't even available by the car's final model year. Like many other vehicles on this list, the Del Rey was only available outside of the U.S. In this case, it was only ever available in Brazil, so your chances of getting to see one outside of there are slim at best. Ford's collaboration with Volkswagen didn't end here, though, as you can see from the existence of the Tourneo Connect. The Del Rey was among the first cars these companies worked together on, helping to build a partnership that's still active today.Ford Escort (Mazda/Volkswagen)The Escort is one more landmark of history for Ford and Mazda's collaborations, with the latter's 2.0-liter diesel being offered as early as 1984. Things didn't stop just at another diesel engine, though, as non-diesel Escort models from over a decade later were still using powertrains held together by Mazda. This was the case for North America while Europe's version of the car relied almost entirely on Ford-made engines. However, alternative engines made by Volkswagen were present in these European models as well, making this a rare case of two different companies providing engines for Ford in different countries.The Ford Escort is still in production today. However, not only does it lack the collaborative efforts of other companies, it's also unavailable in both North America and Europe. Modern cars with the Ford Escort name are only really being provided to customers in the Middle East. Used versions of these older models are still available, though if you're a bigger fan of Volkswagen than Mazda, you might have to travel to Europe to get your favorite version of the Escort.Ford Fusion (Mazda)Mazda's close relationship with Ford continues in this list with the Ford Fusion, sharing a particular trait with the Tourneo Connect. Despite the engine options boasting Ford's "Duratec" branding, they're basically just Mazda engines under a different name, to the point where you could feasibly swap them into a Miata without much problem. These engines were even used in competing cars at the same time, causing their performance to look remarkably similar in the long run.This collaboration for the Fusion lasted from 2006 to 2012, with a second generation utilizing Ford in-house engines with the same Duratec branding as before. Not long ago, the Fusion was entirely discontinued, with a major factor seeming to be poor sales – much like other discontinued cars mentioned previously. Interestingly, few of these cars with Mazda engines were discontinued while Ford's collaboration with the company was still going on. The only exceptions to this rule are the Mercury Capri and one other car that had no in-house Ford options during its lifetime.