Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 305/75-11 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 29.01 (736.9) | 2.27 (57.6) 8.5% |
| Width inches (mm) | 6.5 (165) | 12.01 (305) | 5.51 (140) 84.8% |
| Circum. inches (mm) | 84.02 (2134.08) | 91.14 (2315.04) | 7.12 (180.96) 8.5% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 9.01 (228.75) | 4.13 (105) 84.8% |
| Revolutions per mile (km) | 754.11 (468.58) | 695.17 (431.96) | -58.95 (-36.63) -7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.7 mph (34.92 km/h) |
| 25 mph (40.23 km/h) | 27.12 mph (43.65 km/h) |
| 30 mph (48.28 km/h) | 32.54 mph (52.37 km/h) |
| 35 mph (56.33 km/h) | 37.97 mph (61.1 km/h) |
| 40 mph (64.37 km/h) | 43.39 mph (69.83 km/h) |
| 45 mph (72.42 km/h) | 48.82 mph (78.56 km/h) |
| 50 mph (80.47 km/h) | 54.24 mph (87.29 km/h) |
| 55 mph (88.51 km/h) | 59.66 mph (96.02 km/h) |
| 60 mph (96.56 km/h) | 65.09 mph (104.75 km/h) |
| 65 mph (104.61 km/h) | 70.51 mph (113.48 km/h) |
| 70 mph (112.65 km/h) | 75.94 mph (122.21 km/h) |
| 75 mph (120.7 km/h) | 81.36 mph (130.94 km/h) |
| 80 mph (128.75 km/h) | 86.78 mph (139.66 km/h) |
| 85 mph (136.79 km/h) | 92.21 mph (148.39 km/h) |
| 90 mph (144.84 km/h) | 97.63 mph (157.12 km/h) |
| 95 mph (152.89 km/h) | 103.06 mph (165.85 km/h) |
| 100 mph (160.93 km/h) | 108.48 mph (174.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1769 | 2055 | 2213 | 2311 | 2416 | 2492 | 2575 | 2672 | 2808 | 2943 | 3094 | 3214 | 3433 | 3674 | 3862 | 3982 | 4050 | 4298 | 4645 | 5398 |
Better Fuel Economy Factory Ratios Increased Power
