[8] By using data collected from the dealership, Kelley published the company's first Blue Book in 1926, which became a standard guide in automotive trade in determining car value.

[citation needed] In 1995, Kelley Blue Book created its company website, which contained tips and pricing information from its hardcopy guide.

[13] In 2014, Kelley Blue Book signed a two-year agreement with Hendrick Motorsports to be a primary sponsor of Dale Earnhardt Jr.'s No.

[20][21] Kelley Blue Book also offers expert and consumer vehicle reviews and ratings, and 5-year cost to own information for new cars.

[22][23] In 2012–2014, Harris Poll recognized Kelley Blue Book as the Online Auto Shopping Brand of the Year.