I remember seeing a CrossCountry 4-car Voyager has on a rare occasion used Platform 11.
And just today, I saw a XC Voyager use Platform 12.
Found it on Realtime Trains:
1203 Manchester Piccadilly to Bristol Temple Meads
Realtime Trains | 1203 Manchester Piccadilly to Bristol Temple Meads | 24/02/2024
Real-time train running information for 1203 departure from Manchester Piccadilly to Bristol Temple Meads on 24/02/2024. From Realtime Trains, an independent source of train running info for Great Britain.
www.realtimetrains.co.uk