sport plus means nothing and is just the trim. same as gti, gte, gto it means nothing and as i said is just the trim level of the car..
depending if its turbocharged or not your looking at less than 125 ponies and with a turbo close to 175.
of course i havent got the laguna 1.6 litre pamphlet infront of me :p
it give around 148 bhp
Its BHP is 135 to 163
it has a bhp of 157