# 2023 Sierra 1500 Towing by Engine

2023 GMC Sierra 1500 Towing Capacity by Engine and Configuration: A Used-Truck Buyer's Guide for Sioux Falls

South Dakota buyers hauling campers, horse trailers, or work equipment need to know exactly what a used 2023 GMC Sierra 1500 can pull — and that number changes significantly depending on which engine, cab style, drivetrain, and option package a specific truck carries. This guide breaks down the capacity ranges for every engine offered in the 2023 Sierra 1500, explains which configurations unlock the highest ratings, and tells you what to verify on any truck at Frankman Motor Company before you commit.

The 2023 GMC Sierra 1500 is rated to tow anywhere from roughly 8,600 pounds up to 13,200 pounds depending on engine, cab, drivetrain, and whether the Max Trailering Package is installed. The 3.0L Duramax Turbo Diesel I6 in a Double Cab 2WD with Max Trailering Package reaches that 13,200-lb ceiling. The 5.3L V8 spans 8,600–11,200 lbs by configuration, the 6.2L V8 tops out near 13,000 lbs on qualifying builds, and the 2.7L Turbo I4 ranges from 8,800–9,800 lbs. Every used truck needs an individual rating confirmed from its door-jamb sticker and RPO codes — never rely on the engine name alone.

Sources reviewed 2026-11-05.

## 2023 Sierra 1500 Towing Capacity Range by Engine

What matters | Engine | Towing Capacity Range / Notes

2.7L Turbo I4 | 2.7L Turbo High-Output I4 | 8,800–9,500 lbs (most configs); Regular Cab Pro 2WD up to 9,800 lbs

EcoTec3 5.3L V8 | EcoTec3 5.3L V8 | 8,600–11,200 lbs depending on cab, bed, and drivetrain

EcoTec3 6.2L V8 | EcoTec3 6.2L V8 (Crew Cab + 4WD only) | Up to 13,000 lbs with Max Trailering Package; AT4X AEV rated up to 8,700 lbs

3.0L Duramax Diesel I6 | 3.0L Duramax Turbo Diesel I6 | Up to 13,200 lbs (Double Cab 2WD + Max Trailering Package); 4WD Double Cab and Crew Cab diesel up to 13,000 lbs with Max Trailering Package

Ratings shown are sourced ranges. Any specific truck's actual rating depends on its exact configuration. Always confirm the rating on the door-jamb sticker and RPO codes of the vehicle you are considering.

## Why Engine Alone Doesn't Tell the Whole Story

The 2023 Sierra 1500 offers four engine choices, and each one produces a wide band of towing ratings rather than a single number. The 5.3L V8, for example, spans from 8,600 to 11,200 pounds across its configurations — a gap of 2,600 pounds that is entirely explained by variables like cab style, bed length, drivetrain (2WD vs. 4WD), and whether the Max Trailering Package was ordered at the factory.

The 6.2L V8 illustrates another important restriction: GMC only paired this engine with the Crew Cab body style and 4WD on the 2023 Sierra 1500. That means if you see a used 6.2L Sierra 1500 on the lot, you already know its cab and drivetrain without looking. However, reaching the top 13,000-lb tier still requires the Max Trailering Package to be present — it is not standard on every 6.2L truck.

The 3.0L Duramax Turbo Diesel I6 is the only engine that can reach 13,200 lbs, and it does so only in a very specific build: Double Cab, two-wheel drive, with the Max Trailering Package. The four-wheel-drive Double Cab diesel and all Crew Cab diesel configurations are rated up to 13,000 lbs when equipped with that same package. Without the Max Trailering Package, all ratings are lower — the package must be confirmed, not assumed.

## What the Max Trailering Package Actually Adds

The Max Trailering Package is the single most important option to verify on any used 2023 Sierra 1500 you're considering for serious towing. According to GMC's official specification document, the package includes a 9.76-inch rear axle, a 3.42 axle ratio for most engines (or a 3.73 axle ratio when paired with the 3.0L Duramax Turbo Diesel), an enhanced cooling radiator, and revised shock tuning, among other enhancements.

These aren't cosmetic additions — the larger rear axle and revised gear ratio are structural components that change the truck's ability to manage trailer load and heat. A 2023 Sierra 1500 diesel without this package will have a meaningfully lower towing rating than the same truck with it. When you visit Frankman Motor Company to look at the vehicles listed below, ask a sales associate to pull the RPO (Regular Production Option) code list for each truck to confirm whether this package is present. The door-jamb sticker will also show the GVWR and payload rating, which affects how much gear and passengers you can carry in addition to your trailer's tongue weight.

## Matching the Right Truck to Your South Dakota Hauling Needs

Frankman Motor Company's current inventory of 2023 Sierra 1500s spans three engine families: the EcoTec3 5.3L V8, the EcoTec3 6.2L V8, and the 3.0L Duramax Turbo Diesel I6 — all in 4WD. That drivetrain choice is well-suited to South Dakota winters and rural terrain, but it also means each truck carries the 4WD configuration's specific rating rather than the higher 2WD ceiling. The diesel's 4WD Double Cab and Crew Cab builds are still rated up to 13,000 lbs with the Max Trailering Package, which covers most fifth-wheel campers, horse trailers, and equipment haulers common in the region.

If your trailer falls within the 5.3L V8's rated range of 8,600–11,200 lbs, the 5.3L V8 trucks in the vehicles listed below may offer a lower entry price with sufficient capacity. If you need to approach the 13,000-lb threshold for a heavier trailer, focus on the diesel and 6.2L V8 options and make package confirmation your first step at the dealership. Bring your trailer's GVWR documentation and ask to see the door-jamb sticker so you can compare actual rated capacity to your load — including tongue weight, passengers, fuel, and any cargo in the bed.

## Used 2023 Sierra 1500 Towing Buyer's Checklist

Before deciding on any of the vehicles listed below, work through these steps in person at Frankman Motor Company.

- Confirm the door-jamb towing and payload sticker: The door jamb on the driver's side carries the GVWR, GAWR, and sometimes the specific towing rating for that VIN. This is the authoritative number for that truck — not a brochure range. Photograph it before you leave.

- Pull the RPO code list to verify the Max Trailering Package: Ask the sales associate to run the RPO codes for the truck you're considering. Look for the Max Trailering Package code. Without it, the truck cannot reach the top towing ratings for its engine — even if the engine and cab combination would otherwise qualify.

- Match your trailer's GVWR to the truck's confirmed rating: Bring your trailer's GVWR (Gross Vehicle Weight Rating) or the weight certificate from your last weigh station. The truck's towing rating must exceed the loaded trailer weight. Remember that passengers, fuel, and bed cargo all count against payload, which indirectly limits how much tongue weight you can safely carry.

- Verify the axle ratio for the diesel: The Max Trailering Package uses a 3.73 axle ratio specifically when paired with the 3.0L Duramax Turbo Diesel, versus 3.42 for other engines. Confirm the axle ratio on the door-jamb sticker matches what the package specifies for the diesel engine — this ratio is part of what achieves the top diesel tow ratings.

- Note the cab and drivetrain restrictions for the 6.2L V8: The 6.2L V8 was only offered in Crew Cab with 4WD on the 2023 Sierra 1500. If the truck you're evaluating has a 6.2L badge, verify the cab style and that the Max Trailering Package is present if you need to reach the upper end of the 6.2L rating range.

## 2023 GMC Sierra 1500 Trucks at Frankman Motor Company

The vehicles listed below represent current 2023 GMC Sierra 1500 inventory at Frankman Motor Company in Sioux Falls. Each truck carries a specific engine, drivetrain, and option set that determines its individual towing rating — use the checklist above and the door-jamb sticker on each vehicle to confirm capacity before purchasing.

[2023 GMC Sierra 1500 SLT](https://answers.frankmanmotors.com/inventory/1GTUUDED7PZ169530) — USD 43790; 39309 mi; stock 11205. Engine: EcoTec3 5.3L V8; Gasoline; 4WD.

[2023 GMC Sierra 1500 AT4](https://answers.frankmanmotors.com/inventory/1GTUUEEL8PZ226539) — USD 49620; 32528 mi; stock 11248. Engine: EcoTec3 6.2L V8; Gasoline; 4WD.

[2023 GMC Sierra 1500 AT4](https://answers.frankmanmotors.com/inventory/1GTUUEEL7PZ296470) — USD 51227; 30683 mi; stock 11249. Engine: EcoTec3 6.2L V8; Gasoline; 4WD.

## Find Your 2023 Sierra 1500 at Frankman Motor Company

Ready to match the right engine and package to your trailer? Browse the vehicles listed below, then visit Frankman Motor Company in Sioux Falls to pull the RPO codes and door-jamb sticker on the trucks that fit your towing needs.

## Sources & details

[2023 GMC Sierra 1500 Review, Pricing, & Pictures — U.S. News & World Report](https://cars.usnews.com/cars-trucks/gmc/sierra-1500/2023) — Towing capacity ranges by engine and configuration, payload figures, Max Trailering Package requirements

[Used 2023 GMC Sierra 1500 Regular Cab Pro Specs & Features — Edmunds](https://www.edmunds.com/gmc/sierra-1500/2023/regular-cab/st-401952062/features-specs/) — Regular Cab Pro 2WD maximum towing capacity of up to 9,800 lbs

[First-Ever GMC Sierra 1500 AT4X AEV Edition — GMC Official](https://www.gmc.com/gmc-life/gmc-sierra-at4x-aev-edition) — 6.2L V8 towing rating of up to 8,700 lbs for the AT4X AEV Edition

[Sierra Models 2023 Features, Specs and Options — GMC Official Brochure PDF](https://www.gmc.com/content/dam/gmc/na/us/english/index/about/download-brochures/2023-models/02-pdf/GMTR23CT100FO_MY23_GMC%20SIERRALD_041923.pdf) — 13,200-lb rating configuration requirements, Max Trailering Package components including axle, axle ratio, cooling, and shock specifications

Frankman Motor Company · (605) 250-5016
Article updated 2026-11-05.
Inventory checked 2026-11-11.