Bentley was founded by Walter Owen Bentley (known as W.O. Bentley) in 1919, primarily making bullet-proof sports cars. Like Henry Royce, W.O. Bentley cared about reliability instead of weight and size. Therefore his sports cars were described by some as "the fastest trucks on earth". The model 3-litre won Le Mans in 1924. Then followed by 4.5-litre (1927 and 28) and the 6.5-litre Speed Six (1929 and 30). The racing program made its cars famous. Approaching the 30â