Transport for Wales Premier Service Review - The Best in the UK?

In this video, we check out Transport for Wales' Premier Service from Cardiff to Hereford. Is it the best train in the UK?
Date of travel: Tuesday 30 January 2024.
Class of travel: First class.
Rolling stock: Class 67 Locomotive + Mark 4 coaches + Mark 4 DVT (Premier Service/InterCity225).
Train identity: 1W57.
Train type: Express Passenger.
Locomotive/DVT numbers: 67010 + 82201 (set HD04).
Operator: Transport for Wales (AW).
Ticket types: Off-Peak Day Return + Transport for Wales Premier Upgrade.
Ticket costs: £17.20 with railcard discount + £15.50 with no discount (total: £32.70).
Starting station: Cardiff Central [CDF].
End station: Hereford [HFD].
Additional information:
Catering information:
First Class menus: tfw.wales/ways-to-travel/rail....
Standard Class menu: tfw.wales/ways-to-travel/rail....
Trolley menu: tfw.wales/ways-to-travel/rail....
Diagrams:
225group.org.uk/docs/Intercit....
All information derived from Realtime Trains.
Realtime Trains: www.realtimetrains.co.uk/search/.
I'm on X (formerly Twitter): / pulsarnix .
All information correct at time of recording.
#class67
#review
#transportforwales
#tfw
#PremierService

[@ahmedirfanp]

Are these Mark 4 coaches are from GWR's decommissioned castle class ?

[@Pulsarnix]

No, these ones are ex-Grand Central coaches. The GWR castles have Mark 3 coaches.