From Warwick Castle bus to Gaydon, British Motor Museum. 28 min £3. From Warwick train to Leamington Spa, Railway Station then bus to Gaydon, Green. 1 h 5 min £5. From Warwick Castle line 68 bus to Leamington Spa, Parish Church then bus to Gaydon, Green. 1 h 16 min £6. From Warwick taxi to Gaydon. 12 min £31. From Warwick drive to Gaydon. 12 min £1.