I currently own a Ford F Series. Ford has been manufacturing them since 1948.
Very interesting i had no idea they have been around for that long
The F Series has been the best selling truck in the US since 1981.
Oh wow.  I have never owned a ford before i might have to look at getting one 
They have also been the best selling vehicles in Canada.
Oh wow .  Do you know who is in 2nd place in Canada ?
Chevrolet
Chevrolet ( ), colloquially referred to as Chevy and formally the Chevrolet Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM). Louis Chevrolet and ousted General Motors founder William C. Durant started the company on November 3, 1911 as the Chevrolet Motor Car Company. Durant used the Chevrolet Motor Car Company to acquire a controlling stake in General Motors with a reverse merger occurring on May 2, 1918 and propelled himself back to the GM presidency. After Durant's second ousting
Ford F-series (medium duty truck)
The medium-duty Ford F-Series is a range of commercial trucks manufactured by Ford since 1948. Derived from the smaller F-Series pickup trucks, the medium-duty range is currently in its eighth generation. Initially slotted between the F-Series pickup trucks and the "Big Job" conventionals, later generations were slotted below the L-Series "Louisville" trucks; during its production, the medium-duty F-Series has been used for an extensive