Description


This SUV and light truck tire was built with an aggressive and rugged design. The Discoverer RTX is ready to take on almost any terrain.

  • On and off-road traction
  • Stone ejectors
  • Increased soft surface and snow traction

Detailed Information


Type and Size
Tire Model
Cooper Discoverer RTX
Car Type
Light Truck / SUV
Season
All Season
Rim Diameter
15 / 16 / 17 / 18 / 20 "
Width
215 / 225 / 235 / 245 / 255 / 265 / 275 / 285 / 305 / 315 mm
Aspect Ratio
55 / 60 / 65 / 70 / 75 / 80 / 85 %
Construction
Radial
Special Features
Runflat
No
Mud and Snow
No
Extra Load
Optional
Speed and Load
Speed Index
R (max 106 mph) ... T (max 118 mph)
Load Index (max load for a tire)
 

Cooper Discoverer RTX Sizes & Specifications


Rim Model Size Index Features sidewall styling overall diameter section width approved rim width utqg tire weight load range measured rim width tread depth max load tread width
R15 235/75 R15 105T 235/75 R15 105T OWL 28.66 9.3 6 - 8 500/A/B 31 STD 6.5 13.0 2039 6.73
R16 215/70 R16 100T 215/70 R16 100T OWL 27.72 8.7 5.5 - 7 500/A/B 29 STD 6.5 13.0 1764 6.89
R16 225/70 R16 103T 225/70 R16 103T OWL 28.62 9.0 6 - 7 500/A/B 31 STD 6.5 13.0 1929 7.01
R16 225/75 R16 104T 225/75 R16 104T OWL 29.09 8.6 6 - 7.5 500/A/B 30 STD 6.0 13.0 1984 6.42
R16 225/75 R16 115/112R 225/75 R16 115/112R BW 29.33 8.5 6 - 7 37 E 6.0 16.5 2680 7.01
R16 235/70 R16 106T 235/70 R16 106T OWL 28.82 9.4 6 - 8 500/A/B 34 STD 7.0 13.0 2094 7.44
R16 235/75 R16 108T 235/75 R16 108T OWL 29.65 9.3 6 - 8 500/A/B 33 STD 6.5 13.0 2205 6.89
R16 235/85 R16 120/116R 235/85 R16 120/116R BW 31.77 9.4 6 - 7.5 42 E 6.5 16.5 3042 6.69
R16 245/70 R16 107T 245/70 R16 107T OWL 29.41 9.8 6.5 - 8 500/A/B 32 STD 7.0 13.0 2149 7.68
R16 245/75 R16 111T 245/75 R16 111T OWL 30.24 9.6 6.5 - 8 500/A/B 35 STD 7.0 13.0 2403 7.09
R16 245/75 R16 120/116R 245/75 R16 120/116R OWL 30.35 9.7 6.5 - 8 42 E 7.0 16.5 3042 7.52
R16 255/70 R16 111T 255/70 R16 111T OWL 29.96 10.2 6.5 - 8.5 500/A/B 37 STD 7.5 13.0 2403 7.95
R16 265/70 R16 112T 265/70 R16 112T OWL 30.35 10.8 7 - 9 500/A/B 38 STD 8.0 13.0 2469 8.31
R16 265/75 R16 116T 265/75 R16 116T OWL 31.5 10.6 7 - 9 500/A/B 38 STD 7.5 13.0 2756 7.76
R16 265/75 R16 123/120R 265/75 R16 123/120R OWL 31.61 10.6 7 - 8 48 E 7.5 16.5 3415 7.8
R16 285/75 R16 126/123R 285/75 R16 126/123R OWL 32.6 11.5 7.5 - 9 53 E 8.0 17.0 3750 8.82
R16 305/70 R16 124/121R 305/70 R16 124/121R OWL 32.95 12.2 8 - 9.5 58 E 9.0 17.0 3525 9.69
R16 315/75 R16 127/124R 315/75 R16 127/124R OWL 34.49 12.4 8 - 11 63 E 8.5 17.0 3860 9.8
R17 235/65 R17 104T 235/65 R17 104T OWL 29.17 9.4 6.5 - 8.5 500/A/B 35 STD 7.0 12.5 1984 7.64
R17 235/70 R17 109T XL 235/70 R17 109T XL BW 29.96 9.5 6 - 8 500/A/B 35 XL 7.0 13.0 2271 7.44
R17 235/80 R17 120/117R 235/80 R17 120/117R OWL 31.77 9.2 6 - 7.5 42 E 6.5 16.5 3085 6.69
R17 245/65 R17 107T 245/65 R17 107T OWL 29.53 9.5 7 - 8.5 500/A/B 34 STD 7.0 12.5 2149 7.76
R17 245/70 R17 110T 245/70 R17 110T OWL 30.43 9.7 6.5 - 8 500/A/B 37 STD 7.0 13.0 2337 7.76
R17 245/70 R17 119/116R 245/70 R17 119/116R OWL 30.55 9.8 6.5 - 8 43 E 7.0 16.5 3000 7.87
R17 245/75 R17 121/118S 245/75 R17 121/118S OWL 31.5 10.0 6.5 - 7.5 46 E 7.0 16.0 3195 7.64
R17 255/65 R17 110T 255/65 R17 110T OWL 30.12 10.1 7 - 9 500/A/B 38 STD 7.5 12.5 2337 8.23
R17 255/70 R17 112T 255/70 R17 112T OWL 31.1 10.2 6.5 - 8.5 500/A/B 40 STD 7.5 13.0 2469 7.91
R17 265/65 R17 112T 265/65 R17 112T OWL 30.59 10.6 7.5 - 9.5 500/A/B 39 STD 8.0 12.5 2469 8.54
R17 265/70 R17 115T 265/70 R17 115T OWL 31.38 10.7 7 - 9 500/A/B 42 STD 8.0 13.0 2679 8.31
R17 265/70 R17 121/118R 265/70 R17 121/118R OWL 31.65 10.9 7 - 8.5 49 E 8.0 16.5 3195 8.58
R17 285/70 R17 121/118S 285/70 R17 121/118S BW 32.76 11.7 7.5 - 9 53 E 8.5 17.0 3195 9.02
R17 315/70 R17 121/118R 315/70 R17 121/118R OWL 34.33 12.6 8 - 11 61 D 9.5 17.0 3195 10.0
R18 255/70 R18 113T 255/70 R18 113T BW 32.09 10.2 6.5 - 8.5 500/A/B 39 STD 7.5 13.0 2535 8.07
R18 265/60 R18 110T 265/60 R18 110T OWL 30.55 10.5 7.5 - 9.5 500/A/B 38 STD 8.0 12.5 2337 9.02
R18 265/65 R18 114T 265/65 R18 114T OWL 31.5 10.7 7.5 - 9.5 500/A/B 41 STD 8.0 12.5 2601 8.54
R18 265/70 R18 116T 265/70 R18 116T OWL 32.56 10.7 7 - 9 500/A/B 42 STD 8.0 13.0 2756 8.46
R18 265/70 R18 124/121S 265/70 R18 124/121S OWL 32.64 10.7 7 - 9 51 E 8.0 16.5 3525 8.9
R18 275/65 R18 116T 275/65 R18 116T OWL 32.13 11.0 7.5 - 9.5 500/A/B 42 STD 8.0 12.5 2756 8.74
R18 275/65 R18 123/120S 275/65 R18 123/120S OWL 32.09 11.1 7.5 - 9.5 53 E 8.0 16.0 3415 8.82
R18 275/70 R18 125/122S 275/70 R18 125/122S OWL 33.23 11.1 7 - 8.5 54 E 8.0 16.0 3640 8.9
R18 285/65 R18 125/122S 285/65 R18 125/122S OWL 32.56 11.6 8 - 10 55 E 8.5 16.0 3640 9.41
R20 275/55 R20 117T XL 275/55 R20 117T XL BW 31.93 10.9 7.5 - 9.5 500/A/B 44 XL 8.5 12.5 2833 9.17
R20 275/60 R20 115T 275/60 R20 115T BW 33.03 10.9 7.5 - 9.5 500/A/B 43 STD 8.0 12.5 2679 8.86
R20 275/65 R20 126/123S 275/65 R20 126/123S BW 34.06 11.1 7.5 - 9.5 56 E 8.0 16.0 3750 8.9
R20 305/55 R20 121/118S 305/55 R20 121/118S BW 33.35 12.2 8.5 - 11 59 E 9.5 16.0 3195 10.31

All Reviews All Reviews Reviews with rate {{ tabs.reviews.params.rate }} Cooper Discoverer RTX

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Questions and Answers

  • Aug 31, 2018

    Cooper Discoverer RTX Tire Review

    Overall good tire

  • Nov 19, 2015

    Cooper discoverer RTX review #2

    My second review of the discoverer RTX with 8,000 miles on the tires

  • Jan 27, 2015

    Cooper Discoverer RTX Tire Product Video

    Cooper's Discoverer RTX delivers tough off-road traction, comfortable highway driving and improved fuel mileage year round.