Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-26 | 305/30-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.2 (843.4) | 35.2 (894.2) | 2 (50.8) 6% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 104.32 (2649.62) | 110.6 (2809.21) | 6.28 (159.59) 6% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.6 (91.5) | 0 (0) 0% |
| Revolutions per mile (km) | 607.39 (377.41) | 572.88 (355.97) | -34.51 (-21.44) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.2 mph (34.13 km/h) |
| 25 mph (40.23 km/h) | 26.51 mph (42.66 km/h) |
| 30 mph (48.28 km/h) | 31.81 mph (51.19 km/h) |
| 35 mph (56.33 km/h) | 37.11 mph (59.72 km/h) |
| 40 mph (64.37 km/h) | 42.41 mph (68.25 km/h) |
| 45 mph (72.42 km/h) | 47.71 mph (76.78 km/h) |
| 50 mph (80.47 km/h) | 53.01 mph (85.31 km/h) |
| 55 mph (88.51 km/h) | 58.31 mph (93.85 km/h) |
| 60 mph (96.56 km/h) | 63.61 mph (102.38 km/h) |
| 65 mph (104.61 km/h) | 68.92 mph (110.91 km/h) |
| 70 mph (112.65 km/h) | 74.22 mph (119.44 km/h) |
| 75 mph (120.7 km/h) | 79.52 mph (127.97 km/h) |
| 80 mph (128.75 km/h) | 84.82 mph (136.5 km/h) |
| 85 mph (136.79 km/h) | 90.12 mph (145.03 km/h) |
| 90 mph (144.84 km/h) | 95.42 mph (153.57 km/h) |
| 95 mph (152.89 km/h) | 100.72 mph (162.1 km/h) |
| 100 mph (160.93 km/h) | 106.02 mph (170.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1458 | 1694 | 1824 | 1905 | 1991 | 2053 | 2122 | 2202 | 2314 | 2426 | 2550 | 2649 | 2829 | 3027 | 3183 | 3282 | 3338 | 3542 | 3828 | 4448 |
Better Fuel Economy Factory Ratios Increased Power
