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Choosing tires for RVs in a market of hundreds of tire brands can be daunting. This is what I learned when I bought my first RV. I put my hard-earned money into my first RV, and I could not let it have a painful life equipped with cheap tires. That’s when I narrowed down the two suitable tires for me – the Sailun s637 and the Goodyear g614. After having a heated conversation with myself in my head, I finally chose to buy the Goodyear tire.
So, what are the differences between Sailun s637 Vs Goodyear g614? The key differences lie in their sizes and their durability. Be that as it may, the g614 is a superior choice to the s637 even though they might seem at par. But on the downside, the g614 is a bit more expensive than s637. Taking into account this, buying the Sailun tires for less expensive while having similar highlights is an extraordinary choice.
A topic like this might seem daunting to some. If you are stuck on this topic just like me, then fear not. This article is just what you need! Carry on reading to learn more.
Sailun s637 Vs Goodyear g614: What's the difference?
Camping aficionados, on average, like to remain on their travels for considerably longer than others. This is why they must transport a large amount of equipment to ensure their comfort. For this reason, it is best to choose robust tires for your light truck or RV. If you are conflicted on what to choose, read below to have a better understanding of the two tires.
Features | Sailun s637 | Goodyear g614 |
Size | 22.5-inch | 31.7-inch |
Durability | Highly durable | Highly durable |
Type | Type “R” | Type “B” |
Load | 3520-pound | 3900-pound |
Conditions | All-season | All-season |
Speed rating | 4080# rating | 4079# rating |
Warranty | Medium radial truck | Damage cover |
Measured rim width | 6.75 | 6.5 |
Overall diameter | 32.0 | 30.7 |
Max inflation | 110 | 110 |
Sidewall | Blackwall | N/A |
Load index | 129/125 | 126 |
Rim range | 6.5 | 7.5 |
Section width | 9.3 | 9.3 |
Max speed | 75 | N/A |

1. Size
Sailun s637
The Sailun tires are classified as “R.” The “R” signifies that the tires are radial, and the “16” indicates that the tire will fit a 16-inch wheel. Overall, it’s not too tough to grasp. Furthermore, once you’ve decided the size you need, purchasing RV tires becomes much easier.
Goodyear G614 RST
There are 656 revolutions per mile on Goodyear G614 RST tires mounted on 16″ wheels. It weighs 3750 lbs and has a maximum air pressure of 80 psi, and a tread depth of 12/32 inch.“.
Winner: Goodyear g614
- Package Weight: 57.5 pounds
- Package Height: 9.3"
- Package Length: 31.8"
2. Durability
Sailun S637
Sailun S637 tires are one of the greatest possibilities available. The company is well-known for producing wheels with exceptional durability. There is also a large selection of things available for purchase. Because each of them has distinct characteristics, some individuals may become perplexed while attempting to choose one.
Goodyear G614
The Goodyear G614 RST trailer and RV tire is a tough all-season tire with a smooth ride and durable all-season characteristics. This tire is durable and wears evenly because of its shallow tread, which minimizes operating temperatures for casing toughness.
Winner: Goodyear g614

3. Type
Sailun s637
The Sailun tires are flexible all-position regional tires with five extra-wide ribs that provide excellent stability during tough conditions and high speed. An extra-wide solid shoulder prevents damage from high-scrub treatments, and a mirrored tread design provides equal wear.
Goodyear g614
The Goodyear g614 is an 8-ply radial type B tire. This enables it to withstand high forces, making it an excellent choice for light vehicles and RVs. It has a strong grip and a pleasant ride in a variety of driving situations. G614 RST B tires are designed to minimize operating temperatures and provide even wear.
Winner: Sailun s637
- All Position
- The Package Length of the Product is 30.39 inches
- The Package Width of the Product is 8.07 inches
4. Load
Sailun s637
As an all-steel highway rib tire, the Sailun s637 is intended specifically for trailer use. The heavy-duty all-steel structure provides minimal rolling resistance, excellent strength, and longevity, as well as sure-footing and straight tracking. The S637 ST is ideal for any trailer with a high load capacity.
Goodyear g614
Determine the maximum capacity of load that your tires can withstand. The RV and its possessions should be taken into account. As a result, you should strive to purchase a pair of tires with a higher load capacity than the one you require. Having said that, the Goodyear g614 has a maximum load capacity of 3900 pounds.
Winner: Goodyear g614
5. Conditions
Sailun s637
This Sailun S637 ST highway rib tire is made of pure steel and is best suited for trailer applications such as camping. A multi-sipe tread is designed to provide better traction in wet conditions and disperse heat, resulting in longer tread life.
Goodyear g614
The Goodyear G614 is a tough, all-season trailer tire developed for light truck, trailer, and RV drivers who want a pleasant ride in a variety of driving situations. One of the most appealing elements of this tire, which is made of heavy-duty materials, is that it is designed to give maximum performance in difficult robust road applications and highways.
Winner: Goodyear g614
6. Warranty
Sailun s637
If you are asking, “is sailun a good tire brand?”, this might be your answer. For Maximum Confidence and customer satisfaction, Sailun stands behind its High-Quality goods with a Superior warranty protection package. They provide a variety of warranties, including the Sailun advantage medium radial truck guarantee.
Goodyear g614
On internet RV forums, Goodyear has a VERY excellent reputation for honoring warranties and covering tire damage to your rig, yet if you check the warranty statement “officially,” additional damage is excluded.
Winner: Goodyear g614
7. Speed rating
Sailun s637
The Sailun tires have the same 4080# rating but at 110 PSI and are built in China. However, by all accounts, a very good tire, OEM size only (no extra height), but 14 ply g rated. The Sailun s637 speed rating is slightly lower compared to the Goodyear g614.
Goodyear g614
The Goodyear G614 is rated for 255/85/16 tires. Being 4079# rated at 80psi, built in the USA, and around 1 1/2″ higher, adding 3/4″ to the trailer height, it is ideal for these tall truck beds. Both have a sufficient speed rating. Goodyear is more expensive, but it’ll never make me haul at 87 mph.
Winner: Sailun s637
Which One Should You Choose?
Although the Sailun s637 is a less expensive option, the major reason why so many people choose Goodyear is due to its warranty services. The firm supplies its customers with a blowout coverage system. This permits users to make a complaint if their tires are damaged before they reach the millage specified on them.
The brand will then investigate your situation and ask you a few questions about it. If the problem fits within the warranty restrictions, you should be able to acquire a free replacement.
- Package Weight: 57.5 pounds
- Package Height: 9.3"
- Package Length: 31.8"
Tire Load Inflation
When inflated to its maximum “cold” inflation pressure, a tire’s maximum inflation pressure is the pressure that it is intended to bear. However, only utilize the maximum inflation pressure specified on a vehicle’s placard or in the owner’s handbook.
When a vehicle’s tires are “cold,” they should always be properly inflated. During chilly weather, the sun’s radiant heat early in the morning, or heat generated by driving, causes tire pressure to quickly increase. Keeping track of these data is crucial to take maximum advantage of your tires and to make them last longer. For this reason, take a look at this data table.
What To Consider When Buying?

1. Size
For anybody considering buying an RV tire, ought to consider the tire size that their vehicle requires. Perceiving the tire isn’t close to as troublesome as it shows up. As may be obvious, the sidewall of a tire has an assortment of letters and numbers that show the size of the tire.
The size of RV tires should be determined by the vehicle’s tire requirements before purchasing them. This is not as difficult as it seems. There are letters and numbers written on a tire’s sidewall to indicate the tire’s size.
2. Load rating
Determine the maximum load capacity that your tires can withstand. The RV and its possessions should be taken into account. So, you should select tires whose load capacity is higher than what you require.
3. Type and class of tire
Those gigantic RVs that you’re familiar with seeing are class A brandishing vehicles. These vehicles are outfitted with every one of the comforts you could need, as well as the mileage of a Hummer. The sort of vehicle we’re examining resembles a visit transport.
In order to choose the right RV tires for your RV, you must first determine which class your RV belongs to. There are three main classes of recreational vehicles (RVs): class A, class B, and Class C RVs. It should be remembered that some recreational vehicles (RVs) do not fit into any of the above categories.
4. Suitability
Do you prefer to travel on rural roads or highways when you travel by RV? Does it seem like it will rain or snow today? These factors should be taken into account when choosing which RV tires to purchase. Driving on back roads more often, for example, means you should consider biased tires.
5. Sidewall Strength
Sidewall strengths are absolutely necessary pieces of information when buying tires. Take cautious not to make rash decisions, since purchasing a low-quality tire might place you in a possibly dangerous scenario.
Frequently Asked Questions
1. Is sailun a good tire?
Sailun tires are excellent for their price range.
2. Does Cooper manufacture Sailun tires?
Cooper Tires announced in 2018 that its Vietnamese affiliate, Sailun, would make radial truck and bus tires.
3. Where are sailun s637 tires made?
Sailun tires are made in China.
4. Are Sailun tires manufactured in Vietnam?
Sailun has contemporary tire production facilities in Shenyang, Vietnam, Qingdao, and Dongying.
5. How quiet are Sailun tires?
Sailun tires are as quiet as any normal RV tires.
6. are Sailun Tyres cheap or expensive?
Compared to Goodyear g614, the Sailun tires are cheaper.
7. Are Goodyear tires reliable?
Goodyear tires are highly reliable as backed up by evidence.
8. What is the lifespan of Goodyear tires?
Under regular maintenance and servicing, Goodyear tires will endure until the tread wears out after 3 to 4 years of ordinary use.
Final Verdict
By choosing the Goodyear g614 tire as my go-to tire for my RV, I have not just made myself happy, but also my wife! Our RV is sailing as smoothly as a boat on calm waters. Although the Goodyear g614 felt like the right tire for me, the Sailun tire is also a fantastic choice for people looking for cheap tires.
With similar speed ratings and load capacity, the Sailun s637 would also have been a nice addition to my RV. That being said, I hope this article has cleared your clouded mind and made you choose the right tire for you. Good luck!
