Huawei P30 Pro - Aux

[Android Central Question]

I have a Vauxhall Astra with a CD400 display. Although it has a jack for an Aux connection, it doesn't have bluetooth and I know a unit with costs around £230. The P30 Pro doesn't have an Aux connection that I am aware of. Can anyone advise how I can play my Spotify tunes through my Astra at all without having to shell out that kind of money?