External Dimensions
A - Length of roof
B - Body length at floor level
C - Body length including bay
D - Width at floor level
E - Width including gutters
F - Width including barge boards
G - Height to roof apex
All measurements in mm
| Range | A | B | C | D | E | F | G | H |
| Sierra 35 x 12 2 bed sleeps6 | 11235 | 10733 | 11033 | 3722 | 4002 | 4002 | 3391 | 39.59m2 |
| Sierra 36 x 12 3 bed sleeps 8 | 11505 | 10950 | 11250 | 3722 | 4002 | 4002 | 3391 | 41m2 |
| Sierra 37 x 12 2 bed sleeps 6 | 11809 | 11307 | 11607 | 3722 | 4002 | 4002 | 3391 | 42m2 |
Above dimensions are subject to manufacturing tolerance variations.