Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 266/76-15 | 245/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.92 (785.32) | 32.43 (823.8) | 1.51 (38.48) 4.9% |
| Width inches (mm) | 10.47 (266) | 9.65 (245) | -0.83 (-21) -7.9% |
| Circum. inches (mm) | 97.13 (2467.16) | 101.89 (2588.04) | 4.76 (120.89) 4.9% |
| Sidewall Height inches (mm) | 7.96 (202.16) | 7.72 (196) | -0.24 (-6.16) -3% |
| Revolutions per mile (km) | 652.31 (405.32) | 621.84 (386.39) | -30.47 (-18.93) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.76 km/h) |
| 25 mph (40.23 km/h) | 26.22 mph (42.21 km/h) |
| 30 mph (48.28 km/h) | 31.47 mph (50.65 km/h) |
| 35 mph (56.33 km/h) | 36.71 mph (59.09 km/h) |
| 40 mph (64.37 km/h) | 41.96 mph (67.53 km/h) |
| 45 mph (72.42 km/h) | 47.2 mph (75.97 km/h) |
| 50 mph (80.47 km/h) | 52.45 mph (84.41 km/h) |
| 55 mph (88.51 km/h) | 57.69 mph (92.85 km/h) |
| 60 mph (96.56 km/h) | 62.94 mph (101.29 km/h) |
| 65 mph (104.61 km/h) | 68.18 mph (109.73 km/h) |
| 70 mph (112.65 km/h) | 73.43 mph (118.17 km/h) |
| 75 mph (120.7 km/h) | 78.67 mph (126.62 km/h) |
| 80 mph (128.75 km/h) | 83.92 mph (135.06 km/h) |
| 85 mph (136.79 km/h) | 89.16 mph (143.5 km/h) |
| 90 mph (144.84 km/h) | 94.41 mph (151.94 km/h) |
| 95 mph (152.89 km/h) | 99.65 mph (160.38 km/h) |
| 100 mph (160.93 km/h) | 104.9 mph (168.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1582 | 1838 | 1980 | 2067 | 2162 | 2229 | 2303 | 2391 | 2512 | 2633 | 2768 | 2875 | 3071 | 3286 | 3454 | 3562 | 3623 | 3845 | 4155 | 4828 |
Better Fuel Economy Factory Ratios Increased Power
