The 5000 series was manufactured by CAF starting in 2005. There are 39 trainsets with 5 cars each.
CAF 5000 Series 5037 at Diagonal, June 6, 2008
CAF 5000 Series 5105 at Sagrada Familia, June 6, 2008
CAF 5000 Series 5129 at Diagonal, June 6, 2008
CAF 5000 Series 5148 at Passeig de Gràcia, June 6, 2008