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235-40r18 tires

Aggressor ZS03

Like  their name suggest, all season tires are designed to give drivers performance year-round. All-season tires often provide strong performance in dry and wet conditions, and suitable traction and grip in wintery weather.

Passenger tires are some of the most common tires you'll find on the roads today, and frequently used on coupes, sedans, hatchbacks, minivans, and other passenger vehicles. Passenger tires are available in a wide variety of types, such as all-season, winter, and ultra-high-performance.

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Standards that measure treadwear, temperature resistance and traction, example: "640 A A".  The 640 is the treadwear test and it lasted 6.4 times longer than the comparison tire tested against.  The first "A" is the traction rating using straight-line wet traction on test surfaces (see information tables tab) and the second "A" is the temperature rating by testing operation at high speeds without heat-related failure (see information tables tab).

UTQG

Wet Traction is a piece of the UTQG for example if  UTQG is: 500 AA A, the wet traction piece is the second piece, the "AA".

Wet Traction

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

169 tires available in 235-40r18

In Size 235-40r18

**Most drivers choose from our top picks**<br />They include the best matches 
                     of this tire size based on popularity, user ratings, and price.

We'll start with our 5 top picks

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

ContiProContact

This product is covered by a 60,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

Consistently rated as excellent by experts with the highest SimpleScore among the top 5 tires.

Top SimpleScore&trade;:

Chosen by our tire experts.

P Zero

Summer tires are designed for use in warmer weather or in areas where the temperatures does not drop below 40 degrees. These tires are ideal for ue in warm, dry, and wet conditions that are common in the summertime.

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Champiro HPY

Ultra High Performance (or UHP) tires have a speed rating of V or greater and are used on sports cars, super cars, and other powerful vehicles. Commonly featuring a wide footprint and low profile, UHP tires provide excellent traction and steering response but should not be used when temperatures are at 40 degrees or below.

Save on this  tire today.

Best deal:

Save even more.

Ecsta PA31

This product is covered by a 50,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

Most popular among drivers in PA

Best seller:

Go with the best seller

LXUHP-207

Ultra-high-performance all-season tires provide sporty traction and handling plus quick acceleration and braking in dry, wet, and light winter weather.

2 to 4 day delivery to Feasterville-Trevose, PA

From 66.96 to 331

Want to dive deeper?

## Shop 235/40R18 Tire Size
The 235/40R18 tire size is best for compact cars, sports sedans, and some crossover SUVs. It offers a balance between comfortable ride quality and sporty handling with the ideal width and aspect ratio, making it a popular choice for drivers looking for performance in urban driving conditions. Using [SimpleScore](https://simpletire.com/simplescore), here are the best 235/40R18 tires on the market today.

Popular vehicles:

- Mazda6
- [Audi A4](https://simpletire.com/vehicles/audi-tires/a4)
- Honda Accord
- Mercedes-Benz A-Class
- Hyundai Elantra
- Ford Focus
- Scion xD
- Chrysler PT Cruiser

For balanced and comfortable rides with superior handling and traction around the year, get the best 235/40R18 [all-season tires](https://simpletire.com/categories/all-season-tires). These tires are ideal for dry, wet, and light snow, and offer excellent traction, handling, and durability in different driving conditions. With a superb SimpleScore of 9.6, check out the [Bridgestone Turanza QuietTrack](https://simpletire.com/brands/bridgestone-tires/turanza-quiettrack#v=1&tireSize=235-40r18&mpn=000085), which is among the best all-season tires available in this size for excellent traction and performance in both dry and wet conditions. The long durability of the Turanza QuietTrack is its key strength, evident from its 80,000 mile limited tread life warranty. Built to last, it has an outstanding durability score of 9.8. At 9.5, the Bridgestone tire’s handling score is fantastic as it delivers enhanced control in snowy and wet conditions. Its open shoulder slots eliminate water and boost traction on wet roads while highlighting its outstanding traction score of 9.7. The optimized tread design allows variable pitch sequencing that traps soundwaves so that you enjoy a quiet and comfortable ride quality.

Do you reside in an area receiving more than just light snow? Brace up for changing weather conditions with an [all-weather tire](https://simpletire.com/categories/all-weather-tires) to enjoy better control, steering response, traction, and grip around the year. The [Nokian WR G4](https://simpletire.com/brands/nokian-tires/wr-g4#v=1&tireSize=235-40r18&mpn=t430439) is the best all-weather 235/40R18 tire on the market, sporting a SimpleScore of 9.1. Backed by a 60,000 mile limited manufacturer tread life warranty, the WR G4 scores 8.2 in longevity. Thanks to its all-weather rubber compound, the Nokian tire offers a long tread life for year-round rides in dry, wet, and snow conditions. It is embedded with the Three Peak Mountain Snowflake symbol, demonstrating its ability to perform on severe snow. The all-weather tire gets an excellent handling score of 9.4, thanks to the jagged 3D sipes on the center rib that create additional biting edges for better handling. The blade grooves in the tread force rain, snow, and slush away from the contact patch, mitigating the risk of hydroplaning. The WR G4 boasts an outstanding traction score of 9.7, making it one of the best picks for uncertain weather conditions.

If you love dynamic handling and sporty rides with faster acceleration and better steering response around the year, get a [UHP all-season tire](https://simpletire.com/categories/uhp-all-season-tires) for your car. These tires offer superior grip and faster acceleration, ensuring agile rides on both dry and wet surfaces with shorter braking distances. Ideal for luxury and performance cars, these tires optimize traction, handling, and performance. We recommend the [Pirelli P Zero All Season Plus 3](https://simpletire.com/brands/pirelli-tires/p-zero-all-season-plus-3#v=1&tireSize=235-40r18&mpn=4084100) as the best 235/40R18 UHP all-season tire as it boasts a SimpleScore of 9.5. Backed by a 50,000 mile limited manufacturer tread life warranty, it scores 8.9 in durability. Thanks to its silica-based rubber compound, the P Zero All Season Plus 3 offers excellent performance in wet, dry, and light winter conditions. The Pirelli tire performs equally well in handling and traction, sporting a score of 9.9 in both these parameters. It features four wide grooves to pump slush and water out of the tread, thereby resisting hydroplaning. While the P Zero All Season Plus 3 comes with an asymmetrical tread pattern to boost traction, handling, and braking, its dense sipes bite the road to boost grip and reduce vibrations and noises to enhance the ride quality.

If you drive through frigid conditions with the mercury consistently dipping below 45 degrees Fahrenheit, get a dedicated [winter tire](https://simpletire.com/categories/winter-tires) for your car. These tires are designed to combat snow, slush, and ice and feature large grooves and dense sipes. Check out the [Toyo Observe GSi-6 HP](https://simpletire.com/brands/toyo-tires/observe-gsi-6-hp#v=1&tireSize=235-40r18&mpn=142810), the best 235/40R18 winter tire on the market, sporting a SimpleScore of 8.5. Designed with a special tread compound to perform on severe snow and ice, the Observe GSi-6 HP enjoys a longevity score of 8. With an excellent handling score of 9.1, the Toyo tire offers superb handling thanks to the dense sipes and groovy tread design. It features a Three Peak Mountain Snowflake symbol that demonstrates its ability to perform on severe snow. Thanks to the high-grip rubber compound, the Observe GSi-6 HP offers excellent traction on ice and snow, while drivers enjoy better wet grip and braking performance at lower temperatures. Designed with carbonic powder obtained from bamboo to soak up moisture on wet roads, the presence of walnut shells within the tire helps it dig deep into ice and snow to deliver more traction, complementing its great traction score of 8.6.

Looking for a dedicated tire to enhance your ride quality during the warmer months? Check out the best [summer tires](https://simpletire.com/categories/summer-tires) that deliver consistent performance and traction in dry and wet conditions, optimizing handling, braking, and steering response. Check out the [Continental ExtremeContact Sport 02](https://simpletire.com/brands/continental-tires/extremecontact-sport-02#v=1&tireSize=235-40zr18&mpn=03125110000), the best 235/40R18 summer tire on the market sporting an excellent SimpleScore of 9.3. Backed by a 30,000 mile limited manufacturer tread life warranty, it scores 8.5 in durability. The optimized design and symmetric tread pattern of the ExtremeContact Sport 02 ensure faster acceleration and better handling. At 9.7, it boasts a superb handling score of 9.7 thanks to the SPORTPlus+ Technology that enables responsive handling, a longer tread life, and superior wet grip. The Tuned Performance Indicators help drivers visualize whether the tires are optimized enough for use in dry and wet conditions. The outstanding traction score of 9.8 demonstrates the power of ExtremeContact Sport 02 in warmer conditions, offering confident rides and great performance. It is also covered by Continental's Total Confidence Plan, which includes a limited tread life warranty, customer satisfaction trial for 60 days, 3 years of roadside assistance, road hazard coverage, and emergency trip interruption.

Whether you drive a Mercedes-Benz A-Class or a Hyundai Elantra, SimpleTire has a set of the best 205/60R16 tires that fulfill your needs at affordable prices!

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Arisun Aggressor ZS03

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Arisun Aggressor ZS03

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