1) Built later 2) Comparatively fresh 3) Comparatively modern 4) Comparatively recent 5) Dated later 6) Dated more recently 7) Fresher 8) Fresher or more novel 9) Having a higher model number 10) Having a higher serial number 11) Having less seniority 12) Later 13) Less dated 14) Less established 15) Less experienced 1) Later