1975 Buick LeSabre

The upscale LeSabre Luxus designation was dropped and replaced by the LeSabre Custom nameplate. 1975 also was the first year of the catalytic converter, and standard high energy ignition which was part of GM's Maximum Mileage System at the time Introduced in September 1974. The 1975 LeSabre was the first to require use of unleaded gasoline, due to the advent of the catalytic converter. The LeSabre lineup offered a coupe and two sedans while the LeSabre Custom lineup offered the coupe, two sedans, and the only convertible in the Buick lineup. 1975 would be the final year for the LeSabre Custom Convertible with around 5,300 examples rolling off the assembly lines. Engine offerings were reduced to just two: the standard 5.7-litre V8 (350 CID) and a four-barrel carburetor or optional 7.5-litre V8 (455 CID) with a four barrel. The 1975 Buick LeSabre now featured a larger, cross-hatched patterned grille which still ran the entire front of the car, dual headlights were once again set side by side instead of individually. Turn signals were located within the front bumper. A Buick tri-shield hood ornament was standard on the Custom Series and optional on the base series. The three-hole 'ventiports' were moved from the hood to the front fenders. Slightly larger but narrower taillamps draped the back of the car with back-up lights positioned in the center broken up by the license plate. Four-door pillared sedans received a new small third windows to emulate the six-window ''Colonnade''