The F-85/Cutlass underwent a major body restyle in 1968, as did all other GM A-body cars. Oldsmobile's was penned by the styling studio headed by Stan Wilen. Two-door and four-door models now rode different wheelbases: 112 inches (2,800 mm) for two-doors and 116 inches (2,900 mm) for four-doors. Ostensibly, this change was to allow more individual styling, although several engineers were quoted off the record as saying the 115-inch (2,900 mm) wheelbase had created problems with uncomfortable "freeway hop" owing to its resonance frequency. Overall length shrunk about 2.6 inches (66 mm), but curb weight rose approximately 75 pounds (34 kg) to 3,465 lb (1,572 kg) for the hardtop coupe. Two-door F-85 and Cutlass models adopted a semi-fastback roofline with a massive rear end.
Base model remained the F-85, with mid-level Cutlass S, and upscale Cutlass Supreme, as well as the 442. A limited-production model was the Hurst/Olds, a special 442 marketed by Oldsmobile and Hurst Performance. The H/O combined the 442 suspension package with the big 455 cu. in. (7.4 L) V8, not ordinarily offered in Cutlasses because of a GM policy limiting intermediates to engines of 400 cu. in. (6.6 L) or less. Redesigned base model F-85 and mid-level Vista Cruiser station wagons were also available. F-85 station wagons without the rooftop glass were also available with a 350 CI engine with a 2 barrel carburetor and two-speed Power Glide automatic transmission.
Engine options were similar to the previous year, although the Cutlass's V8 option was expanded to 350 cu. in. (5.7 L). The variable-pitch stator feature of both optional two-speed Jetaway and three-speed Turbo Hydra-matic automatic transmissions was discontinued.
Source: Wikipedia, 2012