Can't tell from the pics. The fender skirt looks interesting though...those from that time had the Sunline logo in them. It's hard to tell from this pic though.
It sure isn't a 1976. It may be a late '60's/early '70's, but so little is known about them that it's hard to know for sure. The pre-'74's had the front ends angled down and back, but this could be a very early one with unusual characteristics.
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9473.8 (as of 6/18/21)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR