Net new colour as opposed to net new models, the team at Fronti-Art has a few upcoming specimens that might fancy your collecting the style.  The above feature is the 1:18 Zenvo ST1 in Transparent Green.  A limited edition piece of 100.  Sorry, I have no release dates to share at this time.  Please contact Fronti-Art for more details!  Other new models include:

1:18 – Aston Martin Vanquish – Pearl White/Open -LE 100 pcs
1:18 – Aston Martin V12 Zagato – Red/Open – LE 150 pcs
1:18 – W Motors Lykan Hypersport – Royal Blue/Closed – F030-50 LE 30 pcs
1:18 – Koenigsegg Agera HH – Blue/Closed – LE 300 pcs
1:18 – Koenigsegg Agera RS – Carbon/Closed – LE 298 pcs