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Guide

Ram 1500 Hemi 3.21 Vs 3.92

What To Know

  • The gear ratio determines the relationship between the engine’s speed and the wheels’ speed, and it can have a significant impact on your truck’s performance and fuel economy.
  • 21 gear ratio is the most fuel-efficient gear ratio available for the Ram 1500 Hemi.
  • 21 gear ratio is better for fuel economy because it allows the engine to run at lower RPMs at highway speeds.

When choosing a new Ram 1500 Hemi, one of the most important decisions you’ll make is which gear ratio to select. The gear ratio determines the relationship between the engine’s speed and the wheels’ speed, and it can have a significant impact on your truck’s performance and fuel economy.

In this blog post, we’ll compare the two most common gear ratios for the Ram 1500 Hemi: 3.21 and 3.92. We’ll discuss the advantages and disadvantages of each gear ratio, and we’ll help you decide which one is right for you.

3.21 Gear Ratio

The 3.21 gear ratio is the most fuel-efficient gear ratio available for the Ram 1500 Hemi. It provides a good balance of performance and fuel economy, and it’s a good choice for most drivers.

Advantages:

  • Improved fuel economy
  • Smooth and quiet ride
  • Good acceleration

Disadvantages:

  • Less towing capacity
  • May struggle on steep hills

3.92 Gear Ratio

The 3.92 gear ratio is a good choice for drivers who need more towing capacity or who frequently drive in hilly areas. It provides better acceleration and towing capacity than the 3.21 gear ratio, but it comes at the expense of fuel economy.

Advantages:

  • Increased towing capacity
  • Better acceleration
  • Improved performance on hills

Disadvantages:

  • Reduced fuel economy
  • Noisier ride
  • May feel sluggish at highway speeds

Which Gear Ratio is Right for You?

The best gear ratio for you depends on your individual needs and driving habits. If you’re looking for the most fuel-efficient option, the 3.21 gear ratio is a good choice. If you need more towing capacity or you frequently drive in hilly areas, the 3.92 gear ratio is a better option.

Towing Capacity

The towing capacity of the Ram 1500 Hemi varies depending on the gear ratio. The 3.21 gear ratio provides a maximum towing capacity of 11,610 pounds, while the 3.92 gear ratio provides a maximum towing capacity of 12,750 pounds.

Fuel Economy

The fuel economy of the Ram 1500 Hemi also varies depending on the gear ratio. The 3.21 gear ratio provides better fuel economy than the 3.92 gear ratio. According to the EPA, the Ram 1500 Hemi with the 3.21 gear ratio gets 19 mpg in the city and 26 mpg on the highway. The Ram 1500 Hemi with the 3.92 gear ratio gets 18 mpg in the city and 23 mpg on the highway.

Off-Road Performance

The 3.92 gear ratio provides better off-road performance than the 3.21 gear ratio. The lower gear ratio gives the truck more torque, which is helpful for climbing hills and navigating rough terrain.

In a nutshell

The Ram 1500 Hemi is a powerful and versatile truck that can be used for a variety of purposes. The gear ratio you choose will depend on your individual needs and driving habits. If you’re looking for the most fuel-efficient option, the 3.21 gear ratio is a good choice. If you need more towing capacity or you frequently drive in hilly areas, the 3.92 gear ratio is a better option.

Frequently Discussed Topics

What is the difference between the 3.21 and 3.92 gear ratios?

The 3.21 gear ratio is more fuel-efficient than the 3.92 gear ratio, but it provides less towing capacity and acceleration. The 3.92 gear ratio provides more towing capacity and acceleration, but it comes at the expense of fuel economy.

Which gear ratio is better for towing?

The 3.92 gear ratio is better for towing because it provides more torque. The lower gear ratio gives the truck more power to pull heavy loads.

Which gear ratio is better for fuel economy?

The 3.21 gear ratio is better for fuel economy because it allows the engine to run at lower RPMs at highway speeds. The lower RPMs reduce friction and improve fuel efficiency.

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