Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 275/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 34.41 (873.9) | 3.52 (89.5) 11.4% |
| Width inches (mm) | 10.63 (270) | 10.83 (275) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 97.02 (2464.27) | 108.09 (2745.44) | 11.07 (281.17) 11.4% |
| Sidewall Height inches (mm) | 7.44 (189) | 9.2 (233.75) | 1.76 (44.75) 23.7% |
| Revolutions per mile (km) | 653.07 (405.8) | 586.19 (364.24) | -66.88 (-41.56) -10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.28 mph (35.86 km/h) |
| 25 mph (40.23 km/h) | 27.85 mph (44.82 km/h) |
| 30 mph (48.28 km/h) | 33.42 mph (53.79 km/h) |
| 35 mph (56.33 km/h) | 38.99 mph (62.75 km/h) |
| 40 mph (64.37 km/h) | 44.56 mph (71.72 km/h) |
| 45 mph (72.42 km/h) | 50.13 mph (80.68 km/h) |
| 50 mph (80.47 km/h) | 55.7 mph (89.65 km/h) |
| 55 mph (88.51 km/h) | 61.28 mph (98.61 km/h) |
| 60 mph (96.56 km/h) | 66.85 mph (107.58 km/h) |
| 65 mph (104.61 km/h) | 72.42 mph (116.54 km/h) |
| 70 mph (112.65 km/h) | 77.99 mph (125.51 km/h) |
| 75 mph (120.7 km/h) | 83.56 mph (134.47 km/h) |
| 80 mph (128.75 km/h) | 89.13 mph (143.44 km/h) |
| 85 mph (136.79 km/h) | 94.7 mph (152.4 km/h) |
| 90 mph (144.84 km/h) | 100.27 mph (161.37 km/h) |
| 95 mph (152.89 km/h) | 105.84 mph (170.33 km/h) |
| 100 mph (160.93 km/h) | 111.41 mph (179.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1492 | 1733 | 1866 | 1949 | 2038 | 2101 | 2171 | 2253 | 2368 | 2482 | 2609 | 2711 | 2895 | 3098 | 3256 | 3358 | 3415 | 3625 | 3917 | 4551 |
Better Fuel Economy Factory Ratios Increased Power
