For the 18×8, you can either use 225/40 or 235/40. Both are perferctly nice fitment in terms of sidewall shape. In fact, if you are going for a tyre brand that has round sidewalls, you may prefer the looks of the wider tyre. I prefer 235/40 because they fill the guards slightly better.
What width of tire can you put on an 8 inch rim?
So what tire size fits well into an 8-inch wheel? The best tire width for 8-inch rim is 235, but you can go lower or higher. Typically, an 8-inch wheel fits into tires ranging between 215 and 245.
What is the widest tire I can put on my rim?
As a general rule of thumb, it’s safe to fit a tire up to 20 millimeters wider than stock on the original rim. The actual width of the tire will vary depending on the width of the rim: The tire will expand 5 millimeters for every half inch (12.5 millimeters) increase in rim width.
Can I fit 245 on 18×8?
Yes, 245 will fit on the wheel.
What size tires will fit on 18×8 rims? – Related Questions
Will 245 40 18 fit on 18×8?
245/40/18 is an oversized tire for a 18×8 wheel. Ideally 235 or 225 tire would work the best. Also, the profile is a bit big, but for a E90/2, it may work out to be ok.
How wide is the wheel 245/40 r18?
245/40R18 tire has a width of 9.6 inches or 245 mm that reflects the measurement of tire’s width from its inner sidewall to its outer sidewall at the widest point (excluding decorations, protective ribs or raised letters).
What size wheel does a 245 tire fit?
For example, a 245/45R20 has a rim width range of 7.5″ to 9.5″. This means that this tire size would fit the following rim sizes: 20X7. 5.
What is a 245 tire equal to?
245: The width of the tire, from sidewall to sidewall, in millimeters. A 245 is 245 millimeters, or 24.5 centimeters, wide. The tread width is actually somewhat smaller than the tire’s actual width.
What is a 245 tire equivalent to?
16-inch Wheel Conversion Chart
| Metric |
Standard |
| 245/70/16 |
29.5″x 9.6″ |
| 245/75/16 |
30.5″x 9.6″ |
| 255/70/16 |
30.0″x 10.0″ |
| 265/70/16 |
30.6″x 10.4″ |
Can I use 245 tires instead of 235?
In this example, yes it is possible for a 235 tire to be changed with a 245 tire if your vehicle is suitable for the change. The 245 tire will be slightly larger than the 235 tire and depending on the vehicle, there may not be enough room to safely fit a larger tire.
Do wider tires handle better?
Wider tires have an increased risk of hydroplaning on slippery or wet surfaces, but they generally provide better grip for dry surfaces. Narrow tires will offer better traction in slippery conditions, but they are generally better for lighter vehicles such as hybrids or electric cars.
How wide of a rim do I need for a 235 tire?
Equivalency table
| Rim width |
Minimum tire width |
Ideal tire width |
| 8,0 Inches |
215 mm |
225 or 235 mm |
| 8,5 Inches |
225 mm |
235 or 245 mm |
| 9,0 Inches |
235 mm |
245 or 255 mm |
| 9,5 Inches |
245 mm |
255 or 265 mm |
What damage can bigger tires cause?
Naturally, increased height from larger tires means you have a higher center of gravity. This changes the handling of your vehicle by increasing body roll and load transfer. In some cases, you may experience less stability when braking and cornering — especially if traveling at high speeds.
Do wider tires affect gas mileage?
The short answer: yes. Tires can make a big difference in the number of miles a driver gets to a tank of gas. In fact, 20% to 30% of a vehicle’s fuel consumption and 24% of road vehicle CO2 emissions are tire-related. Tires affect vehicle fuel efficiency primarily through rolling resistance.
Are bigger tires harder on transmission?
It will take more power to accelerate because your drivetrain’s mechanical advantage has been decreased. If you are running an automotive transmission this can cause some serious strain depending on the current gear ratio if you choose not to re-gear your system.
Will bigger tires throw off odometer?
A larger tire has a higher circumference and fewer rotations as you roll along the highway. Because the tires rotate slower, the speedometer reads this as a lower speed. The faster your drive, the more your speedometer reading will be off. Your odometer will read lower, too.
Do big rims damage transmission?
For example, wheels that are much larger than the car’s original set could have a negative effect on the transmission by causing it to work harder than normal in order to turn the axles and move the car. Eventually, this could cause premature transmission failure.
Do bigger tires Change Your mph?
Up-sizing, or installing a taller tire, will lead to a speedometer reading that is slower than your actual speed. This is because a taller tire will have a larger overall circumference, causing it to need to travel more distance per revolution than the original equipment tire.
Do bigger tires affect engine?
Bigger wheels mean heavier wheels, and heavy wheels force your engine to work harder and use up more gas. How much gas you use will be dependent on the strength of your engine. The loss in miles per gallon will be more apparent if your car has a smaller engine. These engines are not made to handle big, heavy wheels.
What is the benefit of 18 inch wheels?
Pros of 18-Inch Wheels and Tires
Because 18-inch tires have a larger sidewall, they are typically more flexible than ones with a smaller sidewall. Your tires act as shock absorbers and can provide a greater cushion when going over bumps and potholes.