I'm looking for some advice on how to tackle my 1.6 GTi Mk1 that has been in dry storage for about 20 years without being moved or started. Firstly is it likely that the engine will be seized and need replacing or would it be reasonable money to get it refurbed? How would I go about assessing if the...

I've got a Mk1 1.6 GTi thats been in a garage for 19 years. TAG 845W. It was a runner when it was garaged. It has not been started for about 18 years so not sure what getting it back on the road would involve or whether it would be worth it.