The B280F at this point had roughly , but the car itself weighed nearly . To address concerns about performance, Volvo introduced the B230FT+; a B230FT with Volvo's Turbo+ boost controller, increasing the engine output to . The following model year saw it increase to . In Italy, later 780s were available with the B204GT. This was a 16 valve turbo motor producing . A mere 165 examples of the 780 were built with this engine. In the car's final year, 1991, it was rebadged simply as "Coupé". At this point, the car came only in turbo guise.