Oakland Four

The following year the Model A was renamed the Model 40 with a 112 in (2,845 mm) wheelbase while the coachwork choices remained, and by 1910 the four-cylinder was installed in two different body styles with a choice of four different wheelbases with individual model names. The Model 24 roadster had a 96 in (2,438 mm) wheelbase while the longer Model M roadster had a 122 in (3,099 mm) wheelbase. The touring sedan came as Model 25 with a 100 in (2,500 mm) wheelbase, the Model K with a 102 in (2,600 mm) wheelbase, and the Model 33 with a 106 in (2,700 mm) wheelbase.

For model year 1912 the choice of wheelbases offered were reduced to three and the naming conventions were standardized. The Model 30 used a 96 in (2,400 mm) wheelbase and was roadster or touring sedan. 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] ($100,086 in 2025 dollars ^[6]) which placed it as a competitor with Oldsmobile and Cadillac of the same year.^[1]

Model year 1913 saw a fourth choice wheelbase added. The choices were the Model 35 with a 112", the Model 42 with a 116", the Model 45 with a 120" and the Model 40 with a 214". The Model 45 Limousine was still listed at US$3,000 while the longest wheelbase was the Model 40 and was a touring sedan only.^[1]

1914 saw an elimination of a wheelbase choice with the Model 43 using a 116" and two closed body choices of a coupe or sedan or a touring sedan, the Model 35 and Model 36 both using a 112" and coachwork choices of roadster, cabriolet or touring sedan.^[1]

The last year a four-cylinder engine was offered was for 1915 and 1916 using a 112" wheelbase as the company switched to a straight-six, while the first Oakland V8 was offered in 1915, sourced from the Northway Engine Division of GM.^[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] ($31,067 in 2025 dollars ^[6]) and offered a choice of touring sedan, roadster or speedster for the same price.^[1]

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  1910 Oakland Model 24 roadster
• 
  1910 Oakland Model 25 touring sedan
• 
  1915 Oakland Model 37 speedster

• Buick Model 10
• Cadillac Model Thirty
• Oldsmobile Series 22

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