Try here Post 20 or so
Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
205/40-17 3.2in 11.7in 23.5in 73.7in 860 0.0% STOCK
215/40-17 3.4in 11.9in 23.8in 74.7in 848 1.3% NEW
Based on the Above calc the 215's should fit no issues
Hope thats a typo on the 205/40/17 going on a 16 inch rim..
Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
205/40-17 3.2in 11.7in 23.5in 73.7in 860 0.0% STOCK
215/40-17 3.4in 11.9in 23.8in 74.7in 848 1.3% NEW
Based on the Above calc the 215's should fit no issues
Hope thats a typo on the 205/40/17 going on a 16 inch rim..