GAINESVILLE, Ga. -

The auction lanes are showing some interesting trends when it comes to price movement, including increasingly sharp depreciation for certain Volkswagen diesel models in light of the ongoing emissions scandal, and a shifting truck market.

The latest Black Book Market Insights report took a look, in particular, at two movements in the market: the depreciation trends of the aforementioned VW diesel models, and overall “steep” price declines at auction across the market — even for trucks.

Though last week, prices for cars at auction fell by 0.63 percent or $70 — which is similar to the average weekly depreciation seen over the previous month — trucks, on the other hand, were hit much harder than usual.

Overall truck prices fell by 0.62 or $97, which is much higher than the average depreciation rate of 0.35 percent seen over the previous four weeks.

 “This past week we saw a steep decline in the market impacting most segments with only a few bright spots in some segments,” said Anil Goyal, vice president of automotive valuation and analytics.

These “bright spots” included a couple car and truck segments.

The upper midsize and premium sporty cars were the best performers out of the car segments, with rates declining by only 0.26 percent and 0.28 percent, respectively.

For trucks, the compact SUVs and midsize pickups showed the best performance, with rates dropping by 0.07 percent and 0.19 percent, respectively.

Though trucks are now seeing depreciation more in line with the car segments, this hasn’t been the case through most of the year. To illustrate how truck and car price movement has varied, Black Book editors took a look at compact cars versus full-size pickups trucks.

“Compact cars held steady through the first half of the year, largely due to the spring tax season, but have fallen sharply since,” the report stated, while full-size pickup trucks saw some of the strongest residuals in the market through the first two quarters.

Now, it seems, the trend might be evening out. Last week, compact cars only dropped in price by 0.50 percent or $38, while full-size pickups saw a decline of 0.76 percent or $142.

Black Book also took a look at depreciation for specific VW diesel vehicles impacted by the recent emissions situation.

The report shows that since the news regarding VW broke on Sept. 18, each vehicle Black Book has tracked displayed a higher level of depreciation compared with its competitive gas models. Comparisons from Black Book are as follows:

Golf Diesel: -8.7 percent
Gas Models: -3.7 percent

Jetta Diesel: -13.8 percent
Gas Models: -3.7 percent

Beetle Diesel: -9.3 percent
Gas Models: -3.2 percent

Passat Diesel: -13.5 percent
Gas Models: -2.8 percent