Oldsmobile Jetstar I

Included were bucket seats, center console, carpeting, full wheel covers, and padded instrument panel.

Another new transmission offering for the Jetstar I along with the other full-sized Oldsmobiles (except the Ninety-Eight) for 1965 was the Muncie four-speed manual, which turned out to be a seldom-ordered option.

Oldsmobile boasted in a 1965 press release that "a Jetstar I proved to be the top accelerator of the entire event" at the 1965 Pure Oil Performance Trials in Daytona Beach.

The equivalent power was only available in a Grand Prix or other full-size Pontiac via the top-of-the-line 376 hp (276 kW) 421ci HO Tri-Power engine, an expensive $375.77 option.

Although the Jetstar I was priced similar to the Grand Prix, unless one bought the basic model, there was little incentive for an Oldsmobile buyer to purchase one over the Starfire.

The Jetstar I's direct replacement for the 1966 model year was a lower-priced Starfire hardtop coupe (convertible dropped for this year), with a base price in the same range as the Jetstar I. Leather interior was replaced by Morroceen vinyl and several hundred dollars worth of formerly-standard equipment became optional, including Turbo Hydra-matic transmission, power steering and power brakes.