37 vs 40 Inch Tires-What’s The Reality While Daily Driving?

Are you interested in venturing into the realm of off-roading? If that’s the case, you might be seeking the best and most durable tires to improve your off-road experience. Putting large tires on your 4WD can help you achieve better off-road clearance, which will improve your off-road experience. The 37-inch or 40-inch tires may be the best option for you.

This article will compare 37 vs 40 inch tires to help you determine which is best for you.

Comparing 37 Vs. 40 Tires

Both tire sizes will provide optimal performance based on their capabilities. The 37-inch tires, for example, are huge tires with pronounced tread patterns that are suited for spirited on-road and off-road driving. These tires are ideal for most 4WDs, giving excellent grip and traction while showcasing suspension systems, lift kits, and other tire and wheel accessories.

The 40-inch tires, on the other hand, are quite huge. These tires are made of materials suitable for all sorts of trucks and pickups. The material will supply you with a lot of road consistency, making it ideal for off-road settings.

The differences between the 37″ and 40″ tires are listed below.

Features37-Inch Tires
40-Inch Tires

Average weight68-85 pounds80-112 pounds
section width11.5-14.5 inches13.5-15.5 inches
Rim diameter15-26 inches17-24 inches
Tread depthmostly 22 32nds21 32nds-23 32nds
StyleGrabber A/TX, Mud Grappler, All-Terrain T/A KO2, etc.Open Country MT, Trail Grappler M/T, Discover STT Pro, M16, etc.
Aspect ratio12.5-8013.5-15.5
Load index rating121-125121-130
Speed ratingQP or Q or L
PriceBelow $800$3

37-Inch Tires Features

Tread Design

The tread design for these tires is more robust and durable. Therefore, you can use your car on any road and do multipurpose activities with these tires.


These tires feature the newly updated radial construction. These ensure that they are highly stable on all roads and terrains.

Rim Diameter

37-inch tires can be used with at least 15 inches wide rims.

Aspect ratio

37-inch tires have an aspect ratio of up to 80.


These tires have a width range of 11.5 inches to 14.5 inches. This large width gives your car more to hold onto, improving its handling and ability to maneuver.


  • Looks good
  • Greater durability
  • Comparatively low price


  • Heavy
  • Due to their large size, it is hard to fit the spare tire under the truck.

40-inch tires Features

Tread Design

These tires feature a robust open tread design that provides an unbeatable grip and stability. Additionally, the tread design ensures self-cleaning in mud and snow.

Sidewall Design

The sidewall design of this tire is outstanding. It is created to ensure proper off-road rock and sand traction. Additionally, it also enhances on-road stability and functionality.


The tires feature the newly updated radial construction; hence they are suitable for all kinds of roads and terrains.

Rim Diameter

40-inch tires can be used with rims of 17 to 24 inches.

Aspect Ratio

The 40 inches tires have an aspect ratio of 13.5 to 15.5.


These tires have a minimum width of 13.5 inches. Their large size increases the ground contact, thus ensuring easy handling and maneuverability of your vehicle.


  • Highly durable
  • It does not cause any road noise
  • Increased outlook
  • Smooth riding and flexibility


  • Heavy
  • To large

So, Which One is Better 37 Or 40?

We’re comparing tire brands that are 37 inches and 40 inches wide. There are multiple items in this category. 37-inch all-terrain tires are recommended for driving in dry, rainy, and snowy conditions. You can buy 37-inch mud tires before travelling on muddy road journeys.

40-inch mud-terrain and all-terrain tires will be a wider choice for use in all seasons. You can choose Pro Comp Xtreme MT2 or Toyo Open Country M/T 40-inch tires if you’re a truck or pickup driver who wants to ride on rocky and oozy roads.

OFFROAD TEST — 37s VS 40s WHICH IS BETTER? (Video -10:16)

Frequently Asked Questions (FAQ)

Are 37 Inch Tire Faster Than 40 Tires?

After the testing we get the result 37-inch tires faster than 40-inch tire, so you can go with 37 tires .

Can You Fit 17 Inch Tires on 16 Inch Rims?

Yes, in general terms. However, you will need to take some measurements into account.

How to Fit a 17 Inch Tire on a 16 Inch Rim

To install a 17-inch tire on a 16-inch rim, first ensure that the overall diameter of your 17-inch set’s rim plus tire is the same as the 16-inch set you’re replacing, or at least within a tolerable percentage variance. Second, be sure that the tire width does not interfere with any of your vehicle’s components. You should be safe in most vehicles if you go down or up to one-width size. However, please verify first. Finally, fit your tire on the 16-inch rim and conduct a test to ensure that it fits perfectly.

Are All Tires Suitable For Snow?

For snowy conditions, not all tires are ideal. If you frequently drive in snowy conditions, it is recommended that you purchase tires designed for it. Most all-weather tires can be used on snow.

What is a Tire’s Temperature Grade?

The temperature grade indicates how resistant your tire is to higher temperatures. This information can be used to determine which weather and terrain your tire are suited for.

What Happens When You Increase Tire Size?

Increasing the overall tire diameter from stock tires will affect your vehicle’s handling, increase braking distance, reduce fuel mileage, and make your car’s speedometer read slower than it actually should.

Are Lighter Better than the Heavy Ones?

Depending on various factors, both tires may be worse or better. Lighter tires, for example, are often easier to change and install. However, heavier tires can carry more weight than lighter tires.


We hope that this article has offered you all the information you need to know about 37 inches vs 40 inches tires. However, deciding which is better than the other depends on your taste and preferences.

Abdullah Anas

I am Abdullah Anas, a tire expert. I hate seeing people struggle to find the right tires for their cars. That is why he puts much effort into writing well-researched content about car tires. Today, it’s six years since he started the good work. I have received a lot of positive feedback from his readers and friends. Now my target is to let you understand every detail about all the tires available in the market

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