Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/50-20 | 265/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.01 (813) | 31.61 (802.8) | -0.4 (-10.2) -1.3% |
| Width inches (mm) | 12.01 (305) | 10.43 (265) | -1.57 (-40) -13.1% |
| Circum. inches (mm) | 100.56 (2554.11) | 99.29 (2522.07) | -1.26 (-32.04) -1.3% |
| Sidewall Height inches (mm) | 6 (152.5) | 7.3 (185.5) | 1.3 (33) 21.6% |
| Revolutions per mile (km) | 630.1 (391.52) | 638.1 (396.5) | 8.01 (4.97) 1.3% |
265/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.73 km/h) |
| 30 mph (48.28 km/h) | 29.62 mph (47.67 km/h) |
| 35 mph (56.33 km/h) | 34.56 mph (55.62 km/h) |
| 40 mph (64.37 km/h) | 39.5 mph (63.57 km/h) |
| 45 mph (72.42 km/h) | 44.44 mph (71.51 km/h) |
| 50 mph (80.47 km/h) | 49.37 mph (79.46 km/h) |
| 55 mph (88.51 km/h) | 54.31 mph (87.4 km/h) |
| 60 mph (96.56 km/h) | 59.25 mph (95.35 km/h) |
| 65 mph (104.61 km/h) | 64.18 mph (103.3 km/h) |
| 70 mph (112.65 km/h) | 69.12 mph (111.24 km/h) |
| 75 mph (120.7 km/h) | 74.06 mph (119.19 km/h) |
| 80 mph (128.75 km/h) | 79 mph (127.13 km/h) |
| 85 mph (136.79 km/h) | 83.93 mph (135.08 km/h) |
| 90 mph (144.84 km/h) | 88.87 mph (143.02 km/h) |
| 95 mph (152.89 km/h) | 93.81 mph (150.97 km/h) |
| 100 mph (160.93 km/h) | 98.75 mph (158.92 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1624 | 1886 | 2032 | 2121 | 2218 | 2287 | 2363 | 2453 | 2577 | 2702 | 2840 | 2951 | 3151 | 3372 | 3545 | 3655 | 3718 | 3946 | 4263 | 4954 |
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