Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 305/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 34.01 (863.9) | 3.04 (77.3) 9.8% |
| Width inches (mm) | 9.65 (245) | 12.01 (305) | 2.36 (60) 24.5% |
| Circum. inches (mm) | 97.29 (2471.18) | 106.85 (2714.02) | 9.56 (242.85) 9.8% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 9.01 (228.75) | 1.77 (45) 24.5% |
| Revolutions per mile (km) | 651.25 (404.66) | 592.97 (368.46) | -58.27 (-36.21) -8.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.97 mph (35.35 km/h) |
| 25 mph (40.23 km/h) | 27.46 mph (44.19 km/h) |
| 30 mph (48.28 km/h) | 32.95 mph (53.02 km/h) |
| 35 mph (56.33 km/h) | 38.44 mph (61.86 km/h) |
| 40 mph (64.37 km/h) | 43.93 mph (70.7 km/h) |
| 45 mph (72.42 km/h) | 49.42 mph (79.54 km/h) |
| 50 mph (80.47 km/h) | 54.91 mph (88.37 km/h) |
| 55 mph (88.51 km/h) | 60.4 mph (97.21 km/h) |
| 60 mph (96.56 km/h) | 65.9 mph (106.05 km/h) |
| 65 mph (104.61 km/h) | 71.39 mph (114.89 km/h) |
| 70 mph (112.65 km/h) | 76.88 mph (123.72 km/h) |
| 75 mph (120.7 km/h) | 82.37 mph (132.56 km/h) |
| 80 mph (128.75 km/h) | 87.86 mph (141.4 km/h) |
| 85 mph (136.79 km/h) | 93.35 mph (150.24 km/h) |
| 90 mph (144.84 km/h) | 98.84 mph (159.07 km/h) |
| 95 mph (152.89 km/h) | 104.34 mph (167.91 km/h) |
| 100 mph (160.93 km/h) | 109.83 mph (176.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1971 | 2061 | 2125 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3294 | 3397 | 3455 | 3667 | 3962 | 4604 |
Better Fuel Economy Factory Ratios Increased Power
