The disruption in the pattern of between 16 and 17 million new vehicle sales that coincided with the recession created a break in the historic sales cycle that essentially led to a greater disparity within the vehicle fleet. With fewer new cars sold, the average age of vehicles increased, therefore leading to a historically older vehicle population. At the same time, new vehicle sales have ramped up, creating a modest surge in the number of new vehicles on the road.

The breakout of repairable vehicle appraisal data by the age of the loss vehicle underscores the shift that has occurred in the last several years to a markedly older mix. Nearly 42 percent of all repairable appraisals were for vehicles aged 7 years and older during the 2013 calendar year—the highest ever recorded in the last 15 years, and more than 15 percentage points higher than in 2005.

A comparison of annual change in U.S. new vehicle sales to current model year vehicles' share of repairable appraisal volume underscores the relationship of new vehicles sold to the age of insured vehicles with claims. When U.S. new vehicle sales slipped in 2001 and 2002, the appraisal count share of current model year vehicles also fell. A similar, yet more severe pattern can be seen in 2008 through 2010 (see below).

Over the last 4 years (2010-2013) new vehicle sales grew, and their share of the repairable appraisal volume also grew. The implications of a newer fleet are essentially the reverse of an aging fleet: more replacements versus repairs, lower non-OE parts utilization, and an increase in total labor hours per appraisal, all of which lead to higher repair costs.

The industry has also begun to experience the impact of the significantly fewer new vehicle sales between 2008 and 2012 in terms of those vehicles' share of repairable appraisal volume. A comparison of the share of repairable appraisal volume from first year of introduction for the five model years prior to vehicle model years 2008 through 2012 illustrates the lower share the 2008 to 2012 model year vehicles contribute to the overall repairable volume.

The assumption made here is that much fewer vehicle sales of these model years is what drives this gap in volume share when compared to the historical trend typical for vehicles as they age. Subsequently, the remaining share will be made at first of mostly older model year vehicles, but will also over time see more of the newer model year vehicles.

New Vehicles Are Increasingly Complex

As automakers race to meet the ever stricter corporate average fuel economy standards, one of their key challenges is to reduce the overall weight of the vehicles themselves. This has driven up automakers' use of lighter-weight substrate metals, such as aluminum and magnesium. As technology reduces the cost and speed of vehicle development through advances in electronic modeling and CAD systems, manufacturers can select different materials and joining methods within a single vehicle body structure. The result is a potential combination of materials: ultra-high strength steel, high strength steel, mild steel, aluminum and tailored blanks all used in a single vehicle structure.

Over the years, automakers have added a great many features to their vehicles to protect the vehicle occupants during a crash. This has resulted in more and more airbags added to their vehicles. And while the benefits of these occupant safety features has been well documented, a great deal of focus today is on how to avoid the accident altogether. Automakers have begun adding technology to the vehicle itself to either warn or over-ride the driver to avoid a crash. These include systems such as forward looking radar, lane departure warning, blind spot detection, and vehicle-to-vehicle communication. The effectiveness of these systems has been tested at length by the automakers and safety organizations, and show dramatic reductions in accident frequency can be achieved—the Highway Loss Data Institute projects as many as one in three fatal crashes could be avoided.

The cost of many of these crash avoidance systems has also come down in the last several years. Lower costs will increase adoption amongst automakers and consumers; and while it may not eliminate every accident, it should help reduce the severity of the crash. However, data released by the Highway Loss Data Institute in September 2011 showed that it typically takes up to three decades before 95 percent of the vehicles on the road have a given safety feature offered as either a standard feature or available option. For example, 95 percent of all registered vehicles will finally have frontal airbags by 2016. This comes many years after manufacturers began adding them in meaningful numbers in the mid-1980s.

Analysis of the share of vehicles by model year and by loss coverage, as well as an estimation of the 'take-up' rate of crash avoidance systems based on availability and consumer purchase suggests the impact on auto claims to date has been relatively small.

So while there is certainly an anticipated reduction in automotive claim frequency over the next 25 to 35 years because of the introduction of crash avoidance systems and the much-anticipated emergence of self-driving vehicles, the primary question remains 'how fast will it happen?'

Special Reports /

CCC: How Vehicle Age, New Sales Affect Claims Severity, Frequency

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