1978 Buick Regal II Sedan Dimensions, Size & Specs

The Buick Regal II Sedan has a curb weight ranging from approximately 1477 kg (3256 lbs) to 1617 kg (3566 lbs). This weight variation depends on factors such as trim level, optional equipment, and engine configuration. The curb weight affects vehicle handling, fuel efficiency, and ride quality, with the lighter models typically offering slightly better acceleration and agility.

The Buick Regal II Sedan offers a luggage capacity of around 459 liters (16.2 cubic feet). This trunk space is reasonably generous for a mid-to-full-size sedan of its era, providing enough room to accommodate groceries, luggage for trips, or everyday carry items. It balances practicality with passenger comfort without sacrificing rear seating space.

The Buick Regal II Sedan is equipped with 14-inch rims fitted with tires sized 185/75 R14. This combination was standard for the model's production years and contributes to a comfortable ride and stable handling characteristics typical of sedans from the late 1970s to the late 1980s.

Yes, the Buick Regal II Sedan fits comfortably into a standard residential garage. Given its length of 4978 mm (196 inches or about 16.3 feet) and width of 1806 mm (71.1 inches or about 5.9 feet), the Regal II is well within typical garage size limits, which usually accommodate vehicles around 6 meters (20 feet) long and about 2.5 meters (8 feet) wide. However, always consider extra space for opening doors and maneuvering.

Compared to the first-generation Buick Regal (1973–1977), the Regal II Sedan (1978–1987) is noticeably larger in dimensions. The Regal II's length increased to 4978 mm (196 inches), giving it more interior space and a more substantial road presence. The width and height also saw modest increases to 1806 mm (71.1 inches) and 1407 mm (55.4 inches) respectively, enhancing passenger comfort and cargo capacity. Overall, the Regal II embraced the late '70s trend toward bigger, more spacious vehicles.

In its era, the Buick Regal II Sedan was somewhat larger than many mid-size competitors, bordering on full-size sedan proportions with its 4978 mm (196 inches) length and 1806 mm (71.1 inches) width. Models such as the Chevrolet Malibu or Ford LTD of similar years were often comparable but slightly smaller. The Regal II offered more interior room and trunk space compared to many rivals, catering to buyers wanting near-luxury comfort without moving into premium large car territory.

While specific interior dimensions for the Buick Regal II Sedan are not always readily documented, its external size (4978 mm length, 1806 mm width) and full-size sedan classification suggest generous front and rear passenger legroom and headroom. The sedan's design focused on providing comfort for up to five passengers with sufficient elbow and shoulder room, making it practical for families or long-distance travel.

The Buick Regal II's larger size and weight, ranging from 1477 kg to 1617 kg (3256 to 3566 lbs), generally resulted in moderate fuel economy, typical for sedans of its class and era, often in the range of 13-17 mpg city and 18-23 mpg highway depending on engine choice and configuration. The sizable footprint provided a stable ride and comfortable handling at the expense of nimbleness found in smaller vehicles. Drivers valued its smooth highway cruising and spaciousness more than sporty agility.

Throughout its production from 1978 to 1987, the Buick Regal II Sedan came standard with 14-inch rims paired with 185/75 R14 tires. This tire size balanced ride comfort with adequate grip and was typical for sedans of this size during the period. Although some aftermarket or sportier trim options might have allowed different rim sizes or tire variants, the 14-inch setup was the standard factory specification.