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315/70 R17 Tires

Everything we know about the 315/70 R17 tire size: 9 owner reviews covering 160,000 miles of driving, and EU label data for the tires you can actually buy in it.

  • 9owner reviews
  • 160,000 milescovered on them
  • 39tires made in this size
315/70 R17 To scale, mm
Ø 873 315 221 17" 221

315/70 R17 EU tire label data

EU label values are declared for each individual size, so the figures here are exact for 315/70 R17 rather than a range across a model. 12 tires carry label data in this size. The most common load index is 121. Speed ratings on offer: S (180 km/h), R (170 km/h), Q (160 km/h). 10 tires in this size carry the 3PMSF severe snow marking.

A Best wet grip

1 tires in this size hold the top EU wet grip rating, class A. The highest scoring on Tire Reviews:

72dB Quietest tires

The quietest 315/70 R17 tires are labelled at 72 dB external noise:

Label values come from the EU EPREL database and apply to the EU market versions of each tire. Wet grip and rolling resistance run from class A (best) to E; noise is the measured drive-by figure. A good label is a floor, not a verdict - the tests and owner ratings above tell you far more.

What does 315/70 R17 mean?

A 315/70 R17 tire is 315 mm wide, its sidewall is 70% of that width (221 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 873 mm.

315/70 R17 nominal dimensions
Section width315 mm
Sidewall height221 mm
Rim diameter17" (432 mm)
Overall diameter≈ 873 mm
Circumference≈ 2,742 mm
Revolutions per km≈ 365
Revolutions per mile≈ 587

Also written as

315/70R17 315/70 ZR17 315-70-17 315 70 17

Figures are calculated from the nominal size. A loaded, rolling tire runs a few percent smaller, and true widths vary slightly between makes.

Comparing two sizes? Use the tire size calculator →

What cars use 315/70 R17 tires?

The cars most often running this size in our owner reviews. Each links to the best rated tires for that exact car.

Every tire reviewed in 315/70 R17

The complete record, including discontinued tires and tires with too few reviews to rank, ordered by the amount of evidence. A further 5 tires have a single review each; they count toward the totals but are not listed.

All tires reviewed in 315/70 R17
Tire Season Owner rating Reviews Distance reviewed
BFGoodrich All Terrain TA KO3 All Season 84% 2 40,000 miles
Mickey Thompson Baja Boss AT All Season 84% 2 23,000 miles

Reviews only cover part of the market: 39 tires are made in 315/70 R17. Browse every 315/70 R17 tire →

What drivers say about their 315/70 R17 tires

The most recent owner reviews fitted in this size, in their own words.

76%
BFGoodrich All Terrain TA KO3 315/70 R17 15,000 miles September 24, 2026

Beware of the Load Range, as the LR-F tires have a significantly stiffer carcass than the LR-D version. Much better road grip and manners than the KO2's, including the tread life. Excellent dirt/gravel grip, average grip in the mud.

81%
Goodyear Wrangler Territory MT 315/70 R17 Ford Bronco 20,000 miles February 8, 2026
This is the OEM tire that came with my 2023 bronco wildtrak. You all know this snow storm that swapped away across the US end of January 2026... So I decided to go on a winter snowmobile trail. Its near Lake George, NY. And the road up to some scenic views are closed to normal cars because roads were basically ice or snow in freezing temp. I went all the way up with just 4 auto . Note that I have about 36000 miles on this OEM tire. When I was up there I got off to see the views and holy molly it was slippery. I could barely walk. These tires are so darn good in snow and ice that it surprised me. When I went down, I got a ticket as the cop was waiting for me LOL . He was like how the hell did you get up there. I think its close to if not the best snow and ice performing tire I've ever owned. I also drove to Colorade engineering pass without any problems. I drove on sand and it also performed great. The road noices are a bit there but overall its not really bad. Only gripe would be that they run small. Like a 315/70/r17 should be 34.4 inch but I feel like mine are 33 inch at most. But they are light @ 54 lbs where falken at4w are like 74 lbs . AND THEY ARE CHEAP on walmart. Going at around 230 a piece. So if you're not a heavy duty rock crawler, its a good compromise.
94%
Toyo Open Country AT III 315/70 R17 Ram Ram 2500 Power Wagon 12,000 miles December 11, 2025
Great tire. If you want a just great all around reliable tire that will last and just keep on going this is your tire. Does have a slight hum like most aggressive AT tires but not really noticeable unless you focus on it. I have been in some rough spots in a heavy truck and these have always got me out, and have held up really well on all my vehicles. My 4 runner will be next to get this tire as well. Can’t recommend them enough.
92%
BFGoodrich All Terrain TA KO3 315/70 R17 Ram Ram 2500 Power Wagon 25,000 miles December 11, 2025
Wonderful product and great tires. Only issue I really had was balancing issues consistently. I had to have multiple tires replaced because they just would not stop wobbling. After a bit I gave up and replaced them with another brand. Made me sad that I could not get a good set to balance up for me.
62%
Falken Wildpeak RT 315/70 R17 Toyota Tacoma 30,000 miles December 10, 2025
Worn about 4/32 on a Tacoma with about 30,000 miles. Tires do spin in the rain and rear sometimes slides out when corner and bit faster. But noise isn’t much louder then an aggressive all terrain. Predictable road manners. Havnt had issues in snow however ice is similar to the wet/rain traction. Off road they are solid and have seen a lot of abuse with much cuts or tears.
87%
Mickey Thompson Baja Boss AT 315/70 R17 Jeep Wrangler 16,000 miles November 15, 2025
I installed these on a 2024 Jeep Wrangler Unlimited Sport S 4xe with the Mopar 2" lift. The tires have about 15k miles on them and still look new. I first took them on a 3700-mile road trip from Washington to the Mexican border and back. I drove in every road condition you can imagine. From hard-packed snow and ice, to sand, rocks, and deep mud.
The tires exceeded my expectations in every terrain! I posted multiple videos on my YouTube channel showing how they performed in all conditions and they are the only tire I will put on my Jeep and my Ram 2500 pickup.
74%
Falken Wildpeak AT3W 315/70 R17 Jeep wrangler jk 25,000 miles November 10, 2025
Scores are slightly skewed as these are the biggest tires we can fit on our 2.5 inch lifted Jeep JK 2 door. So these are big heavy tires on a small and relatively light vehicle (each tire's load rating nearly covers the entire vehicle weight).

Dry and wet are about the same, nothing terrible, but I have driven tires with better grip in both situations. The road feedback I knocked off some points just because of my particular setup. On a heavier larger vehicle I would expect it to be a point or two higher. Its pretty binary, you either dont feel the bumps and texture or you REALLY feel the bumps and texture. Handling also gets dinged harder due to the vehicle, you can feel the tires want to give up as they get pushed a bit at highway speeds. Again a heavier vehicle is likely to feel that less. The noise is about what you expect out of an AT tire, and as far as comfort goes, its better when I keep them at around 28-30 PSI on the road. By default the Jeep wants to see 37 PSI which is like driving on rocks. They do ok in the snow, but ice is pretty sketchy, especially on a short wheelbase vehicle.

Overall the tires have worn at less than expected rates (the advantage of a light small vehicle on these tires), and they are quite reasonable on road. They also handle the off road well enough for the trails we run (moderate difficulty in the rockies).
80%
Mickey Thompson Baja Boss AT 315/70 R17 Jeep wrangler jk 7,000 miles August 23, 2025
I have now had these tires fitting for about 1.5 years. They are in a 35x12.50R17 size, load range D.

Overall, these are perhaps the best AT tires I have ever had. MT has done an amazing job getting these tires to have a smooth, quiet ride on the street, while also providing fantastic traction offroad. I have had them on dirt, rocks, and plenty of snow.

The tires are a bit on the heavier side due to having a more robust, 3 ply sidewall with sizable side biters. When aired down these really do help protect the sidewalls while also giving additional traction.

On the street, their noise level about average for an AT, despite them being more aggressive than most AT tires. This can be attributed to their asymmetric tread design. My Jeep has more wind noise than tire noise. They have full depth sipes which aid in wet traction, and aid them a lot in the snow. While they will not perform as well as a dedicated snow tire, they are 3-peak rated and have gone everywhere in the snow that I have asked them too. They have also had great tread wear. I live in the mountains, and our roads are known for chewing up tires faster than average. These have done well.

Offroad, these tires really shine. They have larger, deeper voids than most ATs. These really are more of a hybrid tire with an AT name. They will not due as well in deep mud as a dedicated mud tire, but they easily out perform AT's like the BFG KO2/KO3 in the mud. Their compound seems to work pretty well in the rocks. They are not as soft as some more purpose built rock tires, but they do well enough for most.

Its worth noting there is three versions of this tire. The P rated tires have much shallower tread, and the side biters are more of just a shallow design element and do not provide much protection/traction. There is the LT rated tires (eg: 35x12.50R17), which are designed for Jeeps/Broncos/etc and have a load range C or D depending on size. These have a softer compound, deeper tread, and deep side biters. Then there is the metric sized LT tires (eg: 315/70R17) which are load range E, and use a harder compound. These are intended for diesel pickups and such. Do not put these on a Jeep, you will hate them.

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Where this data comes from

Owner ratings are submitted through the review form on this site, naming the tire, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tire tests indexed by size, and label values from the EU EPREL database.

About the TR Score

The Tire Reviews Score rates each tire out of 10 using independent test results and the full body of owner reviews, so you can check a car-specific ranking against the wider evidence.

Who does the testing

Every test published as a Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.

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