Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/85-17 | 265/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.07 (865.3) | 31.61 (802.8) | -2.46 (-62.5) -7.2% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 107.02 (2718.42) | 99.29 (2522.07) | -7.73 (-196.35) -7.2% |
| Sidewall Height inches (mm) | 8.53 (216.75) | 7.3 (185.5) | -1.23 (-31.25) -14.4% |
| Revolutions per mile (km) | 592.01 (367.86) | 638.1 (396.5) | 46.09 (28.64) 7.8% |
265/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.56 mph (29.86 km/h) |
| 25 mph (40.23 km/h) | 23.19 mph (37.33 km/h) |
| 30 mph (48.28 km/h) | 27.83 mph (44.79 km/h) |
| 35 mph (56.33 km/h) | 32.47 mph (52.26 km/h) |
| 40 mph (64.37 km/h) | 37.11 mph (59.72 km/h) |
| 45 mph (72.42 km/h) | 41.75 mph (67.19 km/h) |
| 50 mph (80.47 km/h) | 46.39 mph (74.66 km/h) |
| 55 mph (88.51 km/h) | 51.03 mph (82.12 km/h) |
| 60 mph (96.56 km/h) | 55.67 mph (89.59 km/h) |
| 65 mph (104.61 km/h) | 60.31 mph (97.05 km/h) |
| 70 mph (112.65 km/h) | 64.94 mph (104.52 km/h) |
| 75 mph (120.7 km/h) | 69.58 mph (111.98 km/h) |
| 80 mph (128.75 km/h) | 74.22 mph (119.45 km/h) |
| 85 mph (136.79 km/h) | 78.86 mph (126.91 km/h) |
| 90 mph (144.84 km/h) | 83.5 mph (134.38 km/h) |
| 95 mph (152.89 km/h) | 88.14 mph (141.84 km/h) |
| 100 mph (160.93 km/h) | 92.78 mph (149.31 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 |
Better Fuel Economy Factory Ratios Increased Power
