Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 270/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 32.94 (836.8) | 1.61 (41) 5.2% |
| Width inches (mm) | 10.24 (260) | 10.63 (270) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 98.43 (2500.08) | 103.5 (2628.88) | 5.07 (128.81) 5.2% |
| Sidewall Height inches (mm) | 7.17 (182) | 7.97 (202.5) | 0.81 (20.5) 11.3% |
| Revolutions per mile (km) | 643.72 (399.99) | 612.18 (380.39) | -31.54 (-19.6) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.85 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.31 km/h) |
| 30 mph (48.28 km/h) | 31.55 mph (50.77 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.23 km/h) |
| 40 mph (64.37 km/h) | 42.06 mph (67.69 km/h) |
| 45 mph (72.42 km/h) | 47.32 mph (76.15 km/h) |
| 50 mph (80.47 km/h) | 52.58 mph (84.61 km/h) |
| 55 mph (88.51 km/h) | 57.83 mph (93.07 km/h) |
| 60 mph (96.56 km/h) | 63.09 mph (101.54 km/h) |
| 65 mph (104.61 km/h) | 68.35 mph (110 km/h) |
| 70 mph (112.65 km/h) | 73.61 mph (118.46 km/h) |
| 75 mph (120.7 km/h) | 78.86 mph (126.92 km/h) |
| 80 mph (128.75 km/h) | 84.12 mph (135.38 km/h) |
| 85 mph (136.79 km/h) | 89.38 mph (143.84 km/h) |
| 90 mph (144.84 km/h) | 94.64 mph (152.3 km/h) |
| 95 mph (152.89 km/h) | 99.89 mph (160.76 km/h) |
| 100 mph (160.93 km/h) | 105.15 mph (169.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1558 | 1810 | 1949 | 2035 | 2128 | 2194 | 2267 | 2353 | 2473 | 2592 | 2725 | 2831 | 3023 | 3235 | 3401 | 3507 | 3567 | 3785 | 4090 | 4753 |
Better Fuel Economy Factory Ratios Increased Power
