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What is the max towing capacity for the Sierra 1500?

By Product Expert | Posted in GMC, GMC Sierra, Performance on Tuesday, June 12th, 2018 at 8:00 am
2018 GMC Sierra 1500 black towing a silver trailer side view

2018 GMC Sierra 1500 towing capacity

The 2018 GMC Sierra 1500 towing capacity is very impressive. At 12,500 pounds of capacity, you can tow nearly anything, but you have to remember that all configurations of a truck are rated independently. In other words, there is actually a very specific configuration that gets you this capability.

2018 Sierra 1500 tow and haul mode toggleSierra 1500 max towing configuration

To achieve the 12,500 pounds of capability, you will need a crew cab with a short box in a two-wheel-drive configuration. You will also need the 6.2-liter V8 under the hood with a 3.42 axle ratio and the Max Trailering Package.

What’s included in the Max Trailering Package?

The Max Trailering Package for the Sierra 1500 gives you the upgrades you need to max out your towing numbers. It provides a trailer brake controller, improved shock tuning, heavier-duty rear springs, and an enhanced cooling radiator.

Read More: 2018 Chevy Silverado towing capacity

It’s also responsible for that axle ratio as it gives you a 9.76-inch ring gear. This makes for a 3.73 axle ratio on 6-speed transmission models and a 3.42 axle ratio on 8-speed transmission models. The Max Trailering Package is available as optional equipment on the SLE and SLT trim levels.

Find A GMC Sierra in Fond du Lac

2018 GMC Sierra 1500 6-2-liter V8 engineSierra 1500 engine towing capacity

If you are looking for other options or perhaps don’t need to utilize a full 12,500 pounds of towing capacity, then you may want to know what other engines and configurations are capable of. That would be an exhaustive list, but we can help as we break down the minimum and maximum towing figures for each engine, and we’ll also provide the minimum and maximum payload figures for each engine.

Read More: What is a GMC Denali?

Keep in mind, when we say minimum, we are talking about the max towing/payload capacity for the least optimal configuration with each engine.

4.3-Liter V6

Minimum Towing Capability: 5,500 pounds
Maximum Towing Capability:
7,600 pounds

Minimum Payload Capability: 1,770 pounds
Maximum Payload Capability:
1,980 pounds

5.3-Liter V8 w/ eAssist

Minimum Towing Capability: 9,100 pounds
Maximum Towing Capability:
9,400 pounds

Minimum Payload Capability: 1,750 pounds
Maximum Payload Capability:
1,810 pounds

5.3-Liter V8

Minimum Towing Capability: 6,100 pounds
Maximum Towing Capability:
11,100 pounds

Minimum Payload Capability: 1,730 pounds
Maximum Payload Capability:
2,250 pounds

6.2-Liter V8

Minimum Towing Capability: 9,000 pounds
Maximum Towing Capability:
12,500 pounds

Minimum Payload Capability: 1,640 pounds
Maximum Payload Capability:
2,150 pounds

Differences between spray-on and drop-in bed liners

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