When you look at the Oldsmobile Limited you have segments for the cars. The 1909 Model Z and the 1910 Limited have a 130 inch wheelbase and used a 500 CID 6 cylinder engine rated at 60hp a 3 speed gearbox and the 43X5 tires. The 1911 and 1912 cars were increased in size. These later cars had a 138 inch wheelbase, a 707 CID 6 cylinder engine also rated at 60 hp, a 4 speed gearbox and the 43X5 tires.