Welcome to this week's edition of Black Book Market Insights, with in-depth analysis of used car and truck valuation trends and insights straight from the auction lanes. Click here to download the full report.

As summer picks up steam, so does the depreciation of just about every car segment with the exception of Premium Sporty Cars, which has outperformed the average car for eight straight weeks. Click through to see how cars have accelerated their depreciation trends greatly since the beginning of May, whereas trucks are “defying” seasonal patterns by holding strong through the early summer weeks.

“Continued softness is expected during summer months as buyers are pushing prices down on volume-heavy car segments,” said Anil Goyal, Vice President of Automotive Valuation and Analytics.

• Volume-weighted, overall car values decreased by 0.53% last week, this time last year was -0.48%
• All segments declined by more than a quarter percent in value, led by Entry Level and Entry Mid-size segments at -0.82% and -0.81%, respectively.
• Premium Sporty segment has outperformed the overall car average for eight straight weeks and Entry Level Cars have underperformed for eleven straight.
• Since May 1^st, Cars have declined by a cumulative 3.8% and Trucks by only 1%.
• Volume-weighted, overall truck values decreased by 0.22% last week, this time last year was -0.25%.
• Compact and Mid-size Pickup segments increased by 0.26% and the Compact SUV segment by 0.16%.

Click here to download the full report.