Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 31/10.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 31.09 (789.58) | -0.24 (-6.22) -0.8% |
| Width inches (mm) | 10.24 (260) | 10.51 (267) | 0.28 (7) 2.7% |
| Circum. inches (mm) | 98.43 (2500.08) | 97.66 (2480.54) | -0.77 (-19.54) -0.8% |
| Sidewall Height inches (mm) | 7.17 (182) | 7.04 (178.89) | -0.12 (-3.11) -1.7% |
| Revolutions per mile (km) | 643.72 (399.99) | 648.79 (403.14) | 5.07 (3.15) 0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.84 mph (31.94 km/h) |
| 25 mph (40.23 km/h) | 24.8 mph (39.92 km/h) |
| 30 mph (48.28 km/h) | 29.77 mph (47.9 km/h) |
| 35 mph (56.33 km/h) | 34.73 mph (55.89 km/h) |
| 40 mph (64.37 km/h) | 39.69 mph (63.87 km/h) |
| 45 mph (72.42 km/h) | 44.65 mph (71.85 km/h) |
| 50 mph (80.47 km/h) | 49.61 mph (79.84 km/h) |
| 55 mph (88.51 km/h) | 54.57 mph (87.82 km/h) |
| 60 mph (96.56 km/h) | 59.53 mph (95.81 km/h) |
| 65 mph (104.61 km/h) | 64.49 mph (103.79 km/h) |
| 70 mph (112.65 km/h) | 69.45 mph (111.77 km/h) |
| 75 mph (120.7 km/h) | 74.41 mph (119.76 km/h) |
| 80 mph (128.75 km/h) | 79.37 mph (127.74 km/h) |
| 85 mph (136.79 km/h) | 84.34 mph (135.73 km/h) |
| 90 mph (144.84 km/h) | 89.3 mph (143.71 km/h) |
| 95 mph (152.89 km/h) | 94.26 mph (151.69 km/h) |
| 100 mph (160.93 km/h) | 99.22 mph (159.68 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
