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Distinct trends in auto claims severity, frequency: examining the aging fleet and impact of new vehicle sales interruption.

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 greater disparity within the vehicle fleet. With fewer new cars sold, the average age of vehicles increased, leading to a historically older vehicle population. At the same time, new vehicle sales have ramped up, leading to a modest surge in 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 seven years and older in CY 2013--the highest ever recorded in the last 15 years--and more than 15 percentage points higher than in 2005. (1)

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 in 2008 through 2010 (see Figure 1).

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 replace versus repair, lower non-OE parts utilization, and more labor hours per appraisal, which all 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 repair able 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 2008-2012 model year vehicles contribute to overall repairable volume (see Figure 2).

The assumption made here is that much fewer vehicle sales of these model years is what's driving 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 the use by automakers 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 now 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. (2)

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 car 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 that 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. (3) The cost of many of these crash avoidance systems has also come down in the last several years. (4) 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. (5) 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. (6)

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 (see Figure 3).

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?'

A rapid ramp up in new vehicle sales where more are equipped with these systems could dramatically shift into overdrive this trend. However, economic growth is still slow, auto sales are anticipated to peak at 16 million annually, and scrappage rates are at historic lows. (7)

Of the numerous factors that have helped drive down frequency over the last 20 years--such as aging drivers, fewer miles driven, more growth in urban areas, emergence of car-sharing programs, the recession, and so forth--the adoption of these systems has the likelihood of a sharper ramp up the decline in automotive claims frequency.


(1) CCC Information Services Inc.

(2) "Safe Repair: Repair Methods--Are they what they are supposed to be?" Thatcham Research News, Volume Three, Issue 9, October 2008, p. 2-3.)

(3) Insurance Institute for Highway Safety. Status Report, May 20, 2010.

(4) Sedgewick, David. "Crash prevention to get easier on car shoppers' wallets." Automotive News, August 1, 2011.

(5) Insurance Institute for Highway Safety. "Estimated Time of Arrival." Status Report, Vol. 47, No. 1, Jan 24, 2012, p. 1.

(6) Ibid., p. 2.

(7) Manheim Consulting, U.S. Department of Transportation, R.L., Polk, and Experian.

Susanna Gotsch is lead analyst at CCC Information Services Inc. and the author of its Crash Course Report series.
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Author:Gotsch, Susanna
Date:Feb 1, 2014
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