Accommodation

Southern Cross Lodge – right at the venue, the closest you can get!
17 Racecourse Ave, Methven
Contact: +64-3-302 8464
Tell them you’re attending the rally for the best rates.
https://www.southern-x.co.nz

Other places to stay:

Methven Ski Resort: 43 Racecourse Ave, Methven.  (Effectively next door)
Contact: 03-302-8398
https://www.southparkmotel.co.nz/