The Coca-Cola and Pepsi comparison actually examine how these translations function—they’re fundamentally different products serving different purposes, not interchangeable alternatives.
The KJV employs a “literal” approach to translation, while the NIV attempts to balance exactness with readability[1]. This isn’t a minor stylistic difference. The KJV’s Elizabethan-era language makes it difficult for many modern readers to understand[1], whereas the NIV is the most popular evangelical translation precisely because it seeks an optimal balance between formal equivalence and dynamic equivalence[1].
More significantly, they rest on different textual foundations. The KJV’s New Testament base text appears to derive from Greek editions grouped under the Textus Receptus[2], while the NIV translators use the latest editions of the NA and UBS Greek texts[2]. This means they’re translating from different source manuscripts—a distinction that occasionally produces readings as divergent as the example in Revelation 22:14, where the KJV reads “Blessed are they that do his commandments,” while the NIV has “Blessed are those who wash their robes”[3].
The Coca-Cola comparison is that it assumes both products are equally valid options for the same consumer need. In reality, there’s no such thing as a perfect translation[4]—each version involves trade-offs between literal accuracy and readability, between manuscript traditions, and between theological emphases. Choosing between them requires understanding which trade-offs matter for your particular study goals, not simply preferring one brand over another.
[2] Amy Anderson and Wendy Widder, Textual Criticism of the Bible, ed. Douglas Mangum, Lexham Methods Series (Bellingham, WA: Lexham Press, 2018), 180–181.
[3] Siegbert W. Becker, Revelation: The Distant Triumph Song (Milwaukee, WI: Northwestern Publishing House, 1985), 367.
[4] David E. O’Brien, Today’s Handbook for Solving Bible Difficulties (Minneapolis, MN: David E. O’Brien, 1990), 431.