[2][3][4][1] The Model A was developed and manufactured from former Oakland Motor Company sources while the engine was provided by Northway Motor and Manufacturing Division of GM[5] of Detroit.

For model year 1912 the choice of wheelbases offered were reduced to three and the naming conventions were standardized.

The Model 40 added a closed body coupe using a 112 in (2,800 mm) wheelbase, and the Model 45 used a 120 in (3,000 mm) wheelbase and offered either a four- or seven-passenger touring sedan or closed body limousine.

Prices for the limousine were listed at US$3,000[1] ($94,717 in 2023 dollars [6]) which placed it as a competitor with Oldsmobile and Cadillac of the same year.

[1] As Oakland began to positioned as the entry-level GM product, prices for the Model 37 and Model 38 using a 112" wheelbase were documented at US$1,050[1] ($29,400 in 2023 dollars [6]) and offered a choice of touring sedan, roadster or speedster for the same price.