Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 270/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 32.94 (836.8) | 1.06 (27) 3.3% |
| Width inches (mm) | 10.63 (270) | 10.63 (270) | 0 (0) 0% |
| Circum. inches (mm) | 100.16 (2544.06) | 103.5 (2628.88) | 3.34 (84.82) 3.3% |
| Sidewall Height inches (mm) | 7.44 (189) | 7.97 (202.5) | 0.53 (13.5) 7.1% |
| Revolutions per mile (km) | 632.59 (393.07) | 612.18 (380.39) | -20.41 (-12.68) -3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.26 km/h) |
| 25 mph (40.23 km/h) | 25.83 mph (41.58 km/h) |
| 30 mph (48.28 km/h) | 31 mph (49.89 km/h) |
| 35 mph (56.33 km/h) | 36.17 mph (58.21 km/h) |
| 40 mph (64.37 km/h) | 41.33 mph (66.52 km/h) |
| 45 mph (72.42 km/h) | 46.5 mph (74.84 km/h) |
| 50 mph (80.47 km/h) | 51.67 mph (83.15 km/h) |
| 55 mph (88.51 km/h) | 56.83 mph (91.47 km/h) |
| 60 mph (96.56 km/h) | 62 mph (99.78 km/h) |
| 65 mph (104.61 km/h) | 67.17 mph (108.1 km/h) |
| 70 mph (112.65 km/h) | 72.33 mph (116.41 km/h) |
| 75 mph (120.7 km/h) | 77.5 mph (124.73 km/h) |
| 80 mph (128.75 km/h) | 82.67 mph (133.04 km/h) |
| 85 mph (136.79 km/h) | 87.83 mph (141.36 km/h) |
| 90 mph (144.84 km/h) | 93 mph (149.67 km/h) |
| 95 mph (152.89 km/h) | 98.17 mph (157.99 km/h) |
| 100 mph (160.93 km/h) | 103.33 mph (166.3 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
