Best 235/40 R18 Tires. Rims & Conversion Info

235/40 R18 in inches What rims fit 235/40 R18 tires What is 235/40 R18?

Best 235/40 R18 All Season Tires

Image of Bridgestone Turanza QuietTrack
Bridgestone Turanza QuietTrack
Overall: 90.5%
Dry: 90.3%
Wet: 92%
Snow: 88%
Comfort: 97.5%
Wear: 93%
Buy again: 100%
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Image of Continental ExtremeContact DWS 06 PLUS
Continental ExtremeContact DWS 06 PLUS
Overall: 81.8%
Dry: 87%
Wet: 91%
Snow: 86%
Comfort: 84%
Wear: 64%
Buy again: 84%
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Image of Michelin Pilot Sport All Season 4
Michelin Pilot Sport All Season 4
Overall: 80.7%
Dry: 84.3%
Wet: 92%
Snow: 71%
Comfort: 80%
Wear: 80%
Buy again: 87%
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Image of Yokohama ADVAN Sport A/S
Yokohama ADVAN Sport A/S
Overall: 80%
Dry: 88%
Wet: 87%
Snow: 70%
Comfort: 88%
Wear: 86%
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Image of BFGoodrich g-Force COMP-2 A/S
BFGoodrich g-Force COMP-2 A/S
Overall: 78%
Dry: 92%
Wet: 89%
Snow: 71%
Comfort: 80%
Wear: 78%
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Image of Pirelli P Zero All Season
Pirelli P Zero All Season
Overall: 77.8%
Dry: 100%
Wet: 100%
Snow: 100%
Comfort: 100%
Wear: 100%
Buy again: 100%
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Image of Goodyear Eagle Exhilarate
Goodyear Eagle Exhilarate
Overall: 77.7%
Dry: 83.2%
Wet: 86.5%
Snow: 72%
Comfort: 77.5%
Wear: 83%
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Best 235/40 R18 Street/Racetrack Tires

Image of Toyo Proxes R888R
Toyo Proxes R888R
Overall: 86%
Dry: 92%
Wet: 54%
Comfort: 67%
Wear: 69%
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Best 235/40 R18 Summer Tires

Image of Nexen N FERA AU7
Nexen N FERA AU7
Overall: 91.4%
Dry: 93.3%
Wet: 90%
Comfort: 90%
Wear: 90%
Buy again: 90%
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Image of Goodyear Eagle F1 Supercar 3R
Goodyear Eagle F1 Supercar 3R
Overall: 89%
Dry: 97%
Wet: 75%
Comfort: 90%
Wear: 70%
Buy again: 97%
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Image of Bridgestone Potenza RE-71R
Bridgestone Potenza RE-71R
Overall: 88%
Dry: 96%
Wet: 76%
Comfort: 70%
Wear: 62%
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Image of Goodyear Assurance MaxLife
Goodyear Assurance MaxLife
Overall: 87%
Dry: 92%
Wet: 89%
Snow: 81%
Comfort: 88%
Wear: 94%
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Image of Michelin Pilot Sport PS2
Michelin Pilot Sport PS2
Overall: 86.1%
Dry: 91.5%
Wet: 86.5%
Comfort: 85%
Wear: 76%
Buy again: 88%
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Image of Hankook Ventus S1 noble2
Hankook Ventus S1 noble2
Overall: 85.6%
Dry: 84.7%
Wet: 87%
Comfort: 90%
Wear: 77%
Buy again: 91%
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Image of Continental ExtremeContact Sport
Continental ExtremeContact Sport
Overall: 85.6%
Dry: 88.7%
Wet: 83%
Comfort: 87%
Wear: 86.5%
Buy again: 100%
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Best 235/40 R18 Winter Tires

Image of Michelin Pilot Alpin 5
Michelin Pilot Alpin 5
Overall: 88.4%
Dry: 90%
Wet: 95%
Snow: 88%
Comfort: 83%
Wear: 88%
Buy again: 92%
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Image of Michelin X-Ice Xi3
Michelin X-Ice Xi3
Overall: 85%
Dry: 85%
Wet: 88%
Snow: 88%
Comfort: 89%
Wear: 90%
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Image of Pirelli Winter Sottozero Serie II
Pirelli Winter Sottozero Serie II
Overall: 81%
Dry: 87%
Wet: 89%
Snow: 81%
Comfort: 88%
Wear: 84%
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Image of Yokohama iceGUARD iG52c
Yokohama iceGUARD iG52c
Overall: 76%
Dry: 77%
Wet: 78%
Snow: 87%
Comfort: 81%
Wear: 83%
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Image of Bridgestone Blizzak WS90
Bridgestone Blizzak WS90
Overall: 75.1%
Dry: 72.5%
Wet: 84.5%
Snow: 96.5%
Comfort: 73.5%
Wear: 76.5%
Buy again: 100%
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Image of Dunlop SP Winter Sport 3D
Dunlop SP Winter Sport 3D
Overall: 74.3%
Dry: 79%
Wet: 83%
Snow: 70%
Comfort: 76%
Wear: 75%
Buy again: 78%
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Image of Continental VikingContact 7
Continental VikingContact 7
Overall: 65.6%
Dry: 58.3%
Wet: 50%
Snow: 80%
Comfort: 95%
Wear: 50%
Buy again: 70%
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Best 235/40 R18 All Season TiresBest 235/40 R18 Street/Racetrack TiresBest 235/40 R18 Summer TiresBest 235/40 R18 Winter Tires

235/40 R18 in inches

235/40 R18 tires diameter is 25.4 inches, section width is 9.3 inches and rim diameter is 18 inches. So the closest metric tire size of 235/40R18 existing size in inches is 33x10.50R18, which is 29.92% taller and 12.9% wider.

Compare 235/40 R18 vs 33x10.50R18 with our handy tire size calculator.

Popular comparisons with this size

What rims fit 235/40 R18 tires?

For each tire size there often there are several wheel sizes. You can't put very wide tires on narrow rims or vise versa. Here is what size of the rims do you need for 235/40 R18 tires:

Rim diameter x rim width

235/40 R18 – what does it mean?

Parameter Meaning
235 The first number shows that the tire has a width of 235 millimeters or approximately 9.3 inches.
40 The second number is the aspect ratio. In this case, it is 40%. It shows the height of the tire from the ground to rim edge, which is 40% of the width or ~ 94mm
R18 The letter R means this tire is radial. Most of all tires nowadays are radial. The number is the tire diameter in inches. It means that tire will fit 18 inch wheels