A Steve Gillespie within the first 20 minutes and a Cole Skuse on 40 minutes gave City a 3 goal advantage at half time.
Dave Cotterill grabbed the fourth and final goal four minutes from time.
City: Stewart; Carey, Heywood (Taylor 83), Coles (Smith 67), Woodman (Jones 83); Cotterill, Wilkshire, Skuse (Williams 80), Harley; Stewart (Ballinger 67), Gillespie (Grubb 77).