CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment
No. 72 to Registration Statement No. 333-182308 on Form N-1A of our report dated
November 18, 2016, relating to the financial statements and financial highlights
of First Trust Exchange-Traded Fund VI, comprised of First Trust NASDAQ
Technology Dividend Index Fund, Multi-Asset Diversified Income Index Fund,
International Multi-Asset Diversified Income Index Fund, First Trust High Income
ETF, First Trust Low Beta Income ETF, First Trust NASDAQ Rising Dividend
Achievers ETF, First Trust Dorsey Wright Focus 5 ETF, First Trust RBA American
Industrial Renaissance(R) ETF, First Trust RBA Quality Income ETF, First Trust
Dorsey Wright International Focus 5 ETF, and First Trust Dorsey Wright Dynamic
Focus 5 ETF, appearing in the Annual Report on Form N-CSR for First Trust
Exchange-Traded Fund VI as of and for the period ended September 30, 2016, and
to the references to us under the headings "Financial Highlights" in the
Prospectus and "Independent Registered Public Accounting Firm" and "Financial
Statements" in the Statement of Additional Information, which are part of such
Registration Statement.

/s/ Deloitte & Touche LLP

Chicago, Illinois
January 30, 2017