Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 30.5/9.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 30.42 (772.72) | -0.55 (-13.88) -1.8% |
| Width inches (mm) | 9.65 (245) | 9.49 (241) | -0.16 (-4) -1.6% |
| Circum. inches (mm) | 97.29 (2471.18) | 95.57 (2427.57) | -1.72 (-43.61) -1.8% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.21 (183.16) | -0.02 (-0.59) -0.3% |
| Revolutions per mile (km) | 651.25 (404.66) | 662.94 (411.93) | 11.7 (7.27) 1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.65 mph (31.62 km/h) |
| 25 mph (40.23 km/h) | 24.56 mph (39.52 km/h) |
| 30 mph (48.28 km/h) | 29.47 mph (47.43 km/h) |
| 35 mph (56.33 km/h) | 34.38 mph (55.33 km/h) |
| 40 mph (64.37 km/h) | 39.29 mph (63.24 km/h) |
| 45 mph (72.42 km/h) | 44.21 mph (71.14 km/h) |
| 50 mph (80.47 km/h) | 49.12 mph (79.05 km/h) |
| 55 mph (88.51 km/h) | 54.03 mph (86.95 km/h) |
| 60 mph (96.56 km/h) | 58.94 mph (94.86 km/h) |
| 65 mph (104.61 km/h) | 63.85 mph (102.76 km/h) |
| 70 mph (112.65 km/h) | 68.76 mph (110.67 km/h) |
| 75 mph (120.7 km/h) | 73.68 mph (118.57 km/h) |
| 80 mph (128.75 km/h) | 78.59 mph (126.48 km/h) |
| 85 mph (136.79 km/h) | 83.5 mph (134.38 km/h) |
| 90 mph (144.84 km/h) | 88.41 mph (142.29 km/h) |
| 95 mph (152.89 km/h) | 93.32 mph (150.19 km/h) |
| 100 mph (160.93 km/h) | 98.24 mph (158.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1687 | 1960 | 2111 | 2204 | 2304 | 2376 | 2455 | 2549 | 2678 | 2807 | 2951 | 3065 | 3274 | 3503 | 3683 | 3798 | 3862 | 4099 | 4429 | 5147 |
Better Fuel Economy Factory Ratios Increased Power
