New-vehicle prices hit another all-time high in September, marking the sixth straight record-setting month and surpassing $45,000 for the first time, according to a new report from Kelley Blue Book.

At $45,031, the average transaction price (ATP) for a new automobile was up 12.1% (or $4,872) from a year ago and up 3.7% (or $1,613) from August.