Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-17 | 31/10.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.3) | 31.09 (789.58) | 1.03 (26.28) 3.4% |
| Width inches (mm) | 10.04 (255) | 10.51 (267) | 0.47 (12) 4.7% |
| Circum. inches (mm) | 94.41 (2397.98) | 97.66 (2480.54) | 3.25 (82.56) 3.4% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 7.04 (178.89) | 0.52 (13.14) 7.9% |
| Revolutions per mile (km) | 671.13 (417.02) | 648.79 (403.14) | -22.34 (-13.88) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.3 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.62 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.94 km/h) |
| 35 mph (56.33 km/h) | 36.21 mph (58.27 km/h) |
| 40 mph (64.37 km/h) | 41.38 mph (66.59 km/h) |
| 45 mph (72.42 km/h) | 46.55 mph (74.91 km/h) |
| 50 mph (80.47 km/h) | 51.72 mph (83.24 km/h) |
| 55 mph (88.51 km/h) | 56.89 mph (91.56 km/h) |
| 60 mph (96.56 km/h) | 62.07 mph (99.89 km/h) |
| 65 mph (104.61 km/h) | 67.24 mph (108.21 km/h) |
| 70 mph (112.65 km/h) | 72.41 mph (116.53 km/h) |
| 75 mph (120.7 km/h) | 77.58 mph (124.86 km/h) |
| 80 mph (128.75 km/h) | 82.75 mph (133.18 km/h) |
| 85 mph (136.79 km/h) | 87.93 mph (141.5 km/h) |
| 90 mph (144.84 km/h) | 93.1 mph (149.83 km/h) |
| 95 mph (152.89 km/h) | 98.27 mph (158.15 km/h) |
| 100 mph (160.93 km/h) | 103.44 mph (166.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1651 | 1918 | 2066 | 2157 | 2255 | 2326 | 2403 | 2494 | 2621 | 2747 | 2888 | 3000 | 3204 | 3429 | 3604 | 3717 | 3780 | 4012 | 4335 | 5037 |
Better Fuel Economy Factory Ratios Increased Power
