In 1971, mid-level executive and Ventura trim option for the Catalina were both canceled and replaced with the Catalina Brougham, who proposed a luxurious interior than the standard Catalina. Brougham was dismissed in 1973 after back its sales below expectations. 1972 also marked the final appearance Catalina Convertible.

1971 Pontiac (available with rim) Catalina Convertible

For 1971, Catalina and made other full-size Pontiacs completely revised and new from the wheels with a long hood / deck short proportions of the body and style like the Chrysler Corporation in 1969 full-size cars, along with a double hull roof to to improve the introduction of the lightning protection and external pull-up door Pen - The last two functions first appeared in 1970 ½ Firebird. Catalina and Catalina Brougham sedans and coupes rode on the 123-inch (3100 mm) wheelbase, while Bonneville and Grandville uses more than 126 inches (3200 mm) wheelbase and Safari wagons were an inch longer at 127 cm. Coach station also got their multi-leaf spring rear suspension, while the sedan and coupe are still hung from the front and rear springs.

New Series for 1971 Catalina Brougham, the lush interior as normal Catalina proposed, available as a two-door sedan, four-door sedan and four-door sedan columns. "Coaches", while similar in concept to the Ventura custom finish options on most models of Catalina in 1962 and offered to replace the old series of the executive.

Catalina Safari Pontiac Safari wagon was only for 1971 (although the internal and external decoration with sedans and coupes Catalina continues to share) and were luxurious executive and Bonneville cars replaced with a new car Grand Safari. Although the Grand Safari its grille design announced a new series of Grandville, his salon was equal to an additional internal vinyl, proposed a series of Bonneville. Pontiac now its full size cars as a separate series of his colleagues as a sedan Chevrolet (Brookwood, city dwellers, in the credits, Kingswood, Kingswood Estate), Oldsmobile (Custom Cruiser) and Buick (Estate Wagon) activities.

Like all GM B-body cars, and Safari Grand Safari has a new clamshell tailgate GM. Controlled by switches on the dashboard or the switch on the rear quarter slipped back door in the recess under the cargo floor, while electric windows slid the back of the roof. Pontiac praised the new system is easier to load and unload the car in a confined space, but "glide-away" back door prone to electrical and mechanical problems, and problems of water and air leaks, and the cars in old age.

Another feature of Pontiacs prone to all GM B-and C-body cars for 1971 split, a new ventilation system of government. System and with the unfortunate Vega, a fan heater to make the air in the car from the hood intake, and make it through the holes in the trunk lid or tailgate. In theory, the passengers can enjoy the fresh air, even when the car moves slowly or standing, as in heavy traffic. However, in practice it does not work.

Within weeks after the debut of 1971 models, however, and all other Pontiac dealers, the GM has received several complaints from drivers who complained about the ventilation system pulled cold air in the car until the heater is warm and can not be disabled. The ventilation system was extensively revised for 1972.

All models featured new Grand Prix-style round cockpit instrument panels, the controls and instruments placed within reach of the driver along with two round pods for the speedometer and the other in order to prevent the lights, fuel gauge, or additional sensors and electric clock. The design of the interior is in cloth and vinyl or expand Morrokide Morrokide depending on model.

The standard engine in the sedan and coupe Catalina has 255 hp 350 V8 with two barrel carburetor. Catalina Brougham models and safari vehicles equipped with a 400 cubic inch V8 with two barrel carburetor capacity of 265 horsepower, that was a gross addition to other models Catalina. Other engines are 455 cubic inch V8 with two-or four-term gasification ratings and corresponding PS 285 and 325, respectively. All Pontiac engines were developed for 1971, leaded to a lower octane regular, low lead or unleaded gasoline by GM corporate edict that to reduce the amount of compression calls.

Power front disc brakes were made standard for the first time in 1971. As in previous years, the variable steering ratio and Turbo Hydramatic transmission of additional options, but has run the series midway through the 1971 model. Also available in spring 1971 Catalina 350 engine with two-speed automatic transmission in addition to the standard three-speed column shift manual.

For 1972 was Catalinas and other full-size Pontiacs new GP-Style "V" nose of the grid and strong front bumper, the crashes of up to 5 miles per hour (8.0 mph), a year before the election standard, the effect was to resist in 1973 along with revised taillight.

Two-barrel 400 cubic-inch V8 was compared to all Catalina / Brougham / Safari models with 175 net hp, with 265 gross horse in 1971 thanks to the power switch of the measurement of gross ratings were measured dynometer without accessories attached at the time measured by standard deviation as a "net" figures were "installed as" in the car connected with all accessories and gear emissions are. More engines, two barrel 455 producing 185 hp (138 kW) and four barrel 455 rated at 250 hp (190 kW). 1972 was the last for Convertible Catalina and Catalina Brougham series.

Catalina and the other in 1973 presented in full-size Pontiacs a full-width grille shed together with the federal government now mandated 5 mph (8.0 kph) front bumper and tail light redesigned. Consoles sequel to "Pie" theme, but the two sensors were placed around the square tubes. With the Catalina Brougham terminated only regular models and Catalina Safari wagon were offered this year. Catalinas and other full-size Pontiacs is including Bonneville and Grandville now riding for a total of 124 inches (3100 mm) wheelbaase for sedans and coupes, while Safari Grand Safari wagon and put his own 127-inch (3200 mm) wheelbase.

Catalina sedans and coupes are equipped with the optional 350 cubic-inch V8 engine with 150 hp (110 kW) with 170-horsepower 400-Two Smoking Barrels and standard on the car Safari. Optional engines included a 230-hp four race and 250-400-455-hp four barrel V8.

1973 Pontiac Catalina

The new Mercedes-center as a split grille and revised rear style with a new 5 mph (8.0 kph) bumper at the rear end and a license plate has moved above the bumper, said 1974 Pontiac Catalina, and large. Two-door coupe-sedan offers new fixed triangular side windows, but kept the column style with roll-back window, other than the Chevrolet, which eliminates the drop-down rear quarter in the Caprice and Impala Custom Coupe. Four-door sedan limousines and columns have not changed since 1973. The interior was also in 1973, with the exception of the revised standard steering wheel and a new carpet to reduce the pile.

For the first time on the list of options, the adjustable gas and brake pedals, Pontiac exclusive (and often order), and radial suspension, which the bus were updated along with other modes of suspension, such as front and rear boards of the power mentioned.

170-hp V8 with 400 two-cylinder engine carburetor now standard on all models with 225-hp four race and 250-400-455-hp four race V8 as an option. Also for 1974, Safari Catalina Safari wagon renamed and continued to share the inner and outer panels with sedans and coupes.

In 1975, a revised front-and back style Catalinas and other full-size Pontiacs, together with standard radial tires and electronic ignition. Same range of 400 and 455 engines on the 1974 carried out with limited benefits from 170 to 200, but tied now with catalytic converters, which provided better handling and fuel economy compared to the previous equipment to reduce emissions, but called for the use of unleaded gasoline. Four-door sedan limousines and columns featured six new-style window from the window of the sixth to the Saloon Links opera window. 1975 also marked the end of the Pontiac convertible production until 1982, Grandville Brougham was the last full-size Pontiac convertible.

For 1976, only minor changes in detail were of the Catalinas and other contain full-size Pontiacs, the revision of the grid made (with rectangular headlights now Catalina with the "Another version of the Trim-round lights went on model) and rear light. In This year was the last one 1971-vintage body, additional adjustable pedals, 455 V8 and a clamshell rear doors in the car Safari. 1976 also marked the return series Bonneville Brougham on the top of the line at full size, have refused as a marketer, Pontiac Grand Ville as a whole name.