Paul Walker was 38 in Fast & Furious 6 when he played the character 'Brian O'Conner'.
That was over 11 years ago in 2013.
In 2013 he died aged just 40, starring in 36 films in his career, 6 of those after Fast & Furious 6 was first released. If he were alive today he would be 50.
In Fast & Furious 6, I think Paul Walker looks: