General Motors Waits to Implement J2807
Just when you thought everyone in the room was going to be mature about this, we're right back in elementary school.
GM released a statement accusing "other competitors" (meaning Ford) of not doing the right thing and updating their 2013 truck testing procedures with revised towing and GCWR numbers, following the new J2807 standards. As a result, GM says it is "postponing" its own full implementation of the standards and test procedures for determining said maximum trailer and gross combined weight ratings on its vehicles until everyone is doing it, even though the company released its 2013 towing info in which all the numbers have been recalculated.
This action is in direct response to Ford's earlier statements that the automaker will not implement the J2807 standards on its full lineup of pickup trucks until its all-new models come to market, which is not likely to be anytime soon.
We recently reported that SAE's committee-born test procedures typically do not have any kind of legal teeth, and the group usually refers to the requirements only as "suggestions." In the most recently published J2807 document (dated May 23, 2012), this 27-page document refers to the implementation timing only once, stating:
"This document establishes minimum performance criteria at GCWR and calculation methodology to determine tow-vehicle TWR (trailer weight rating) for passenger cars, multi-purpose passenger vehicles and trucks. This includes all vehicles up to 13,000 lb GVWR. It is recommended that the performance requirements within be adopted for all vehicles with model year designation 2013 or later."
Whether or not this interpretation means we have to wait until model year 2014 or 2015 to see pickup trucks (or SUVs and crossovers for that matter) with truly comparable maximum towing and GCWR numbers for the Big Three truck makers, we suppose we'll have to wait and find out.
The GM statement is below:
GM Statement on SAE J2807
"General Motors is postponing the implementation of new SAE J2807 trailer tow vehicle ratings for its vehicles, which was planned to begin during the 2013 model year. GM has tested and prepared our ratings to the SAE standard and is ready to implement the new ratings when we can do so without creating consumer confusion about comparisons of vehicles commonly used for trailering.
For example, key competitors are continuing to use their existing ratings for 2013 model year pickups. Retaining our existing rating system will reduce confusion for dealers and customers.
As always, customers must determine the appropriate vehicle and trailering capacity for their needs based on their particular situation, including the curb weight of their specific vehicle, the number of passengers they will actually carry, the actual tongue weight for their combination, the amount of cargo in their vehicle, and the weight of the load they plan to tow. Customers should follow the trailering guidelines in their owner's manual, ask their Chevrolet or GMC dealer for trailering advice, or contact their Customer Assistance offices for more information."

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