SSH tunnel vs VPN in short

Both: Encrypted data for secure connection.

VPN: Operating System level security
SSH: Application level security

VPN: Share intranet resource such as file shares, network printer, etc
SSH: Setup per individual resources.

VPN: Easy for client usage. More to do on server setup.
SSH: Not easy for novice user. Easy for SSH server setup.

VPN: More secure for business use. You can force all network traffic on
system through VPN.
SSH: Good for single purpose connection. e.g. remote access intranet
server.