Brook Smith, a man from Missouri who tows RVs across the country, owns two trucks with a total of 1.5 million miles on their odometers, as first reported on the Pickup Truck and SUV Talk blog.

One is a 2007 Chevrolet Silverado DRW crew cab 4x4, and the other is a 2015 GMC Sierra SRW. Both are equipped with the factory Duramax diesel.

The 2007 Chevy has just over a million miles, and the GMC, which he bought with 93,000 miles on it, has over 500,000 miles.

If a car surpasses 150,000 or 200,000 miles it's considered impressive. Brook Smith of Missouri blew past those numbers a long time ago; he has two GM trucks that in total, have around 1.5 million miles on the odometer.

Tim Esterdahl

Brook Smith tows RVs across the country for a living, and his first truck, which he bought new and calls "Big Red," is a 2007 Chevrolet Silverado DRW crew cab 4×4 equipped with a Duramax diesel engine. Yes, that's the factory powertrain. It's pushing just over a million miles—and the majority of those miles were spent towing RVs across the U.S. and Canada.

So far, Brook hasn't done any major service to Big Red's powertrain, he replaced the fuel injectors at 500,000 miles, and swapped in a heavy-duty torque converter at 400,000 miles. This wasn't because something was wrong with the stock torque converter, it's only because he wanted a more reliable one to tow big rigs across the country.

His second truck is a 2015 GMC Sierra SRW, also equipped with a Duramax, that had 93,000 miles on it when he bought it. He just wanted a newer truck. In the video below, Tim Esterdahl of the Pickup Truck and SUV Talk blog discusses the differences of towing techniques and how Brook was able to squeeze this many miles out of his trucks.

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