Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/80-17 | 115/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.04 (559.8) | 24.24 (615.8) | 2.2 (56) 10% |
| Width inches (mm) | 3.15 (80) | 4.53 (115) | 1.38 (35) 43.8% |
| Circum. inches (mm) | 69.24 (1758.66) | 76.17 (1934.59) | 6.93 (175.93) 10% |
| Sidewall Height inches (mm) | 2.52 (64) | 3.62 (92) | 1.1 (28) 43.8% |
| Revolutions per mile (km) | 915.09 (568.61) | 831.88 (516.9) | -83.22 (-51.71) -9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22 mph (35.41 km/h) |
| 25 mph (40.23 km/h) | 27.5 mph (44.26 km/h) |
| 30 mph (48.28 km/h) | 33 mph (53.11 km/h) |
| 35 mph (56.33 km/h) | 38.5 mph (61.96 km/h) |
| 40 mph (64.37 km/h) | 44 mph (70.81 km/h) |
| 45 mph (72.42 km/h) | 49.5 mph (79.67 km/h) |
| 50 mph (80.47 km/h) | 55 mph (88.52 km/h) |
| 55 mph (88.51 km/h) | 60.5 mph (97.37 km/h) |
| 60 mph (96.56 km/h) | 66 mph (106.22 km/h) |
| 65 mph (104.61 km/h) | 71.5 mph (115.07 km/h) |
| 70 mph (112.65 km/h) | 77 mph (123.92 km/h) |
| 75 mph (120.7 km/h) | 82.5 mph (132.78 km/h) |
| 80 mph (128.75 km/h) | 88 mph (141.63 km/h) |
| 85 mph (136.79 km/h) | 93.5 mph (150.48 km/h) |
| 90 mph (144.84 km/h) | 99 mph (159.33 km/h) |
| 95 mph (152.89 km/h) | 104.5 mph (168.18 km/h) |
| 100 mph (160.93 km/h) | 110 mph (177.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2117 | 2459 | 2648 | 2766 | 2892 | 2982 | 3081 | 3198 | 3360 | 3522 | 3702 | 3847 | 4108 | 4396 | 4621 | 4765 | 4847 | 5144 | 5558 | 6459 |
Better Fuel Economy Factory Ratios Increased Power
