Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-26 | 275/30-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.2 (843.4) | 32.5 (825.4) | -0.71 (-18) -2.1% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 104.32 (2649.62) | 102.09 (2593.07) | -2.23 (-56.55) -2.1% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.25 (82.5) | -0.35 (-9) -9.8% |
| Revolutions per mile (km) | 607.39 (377.41) | 620.63 (385.64) | 13.25 (8.23) 2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.5 km/h) |
| 25 mph (40.23 km/h) | 24.47 mph (39.38 km/h) |
| 30 mph (48.28 km/h) | 29.36 mph (47.25 km/h) |
| 35 mph (56.33 km/h) | 34.25 mph (55.13 km/h) |
| 40 mph (64.37 km/h) | 39.15 mph (63 km/h) |
| 45 mph (72.42 km/h) | 44.04 mph (70.88 km/h) |
| 50 mph (80.47 km/h) | 48.93 mph (78.75 km/h) |
| 55 mph (88.51 km/h) | 53.83 mph (86.63 km/h) |
| 60 mph (96.56 km/h) | 58.72 mph (94.5 km/h) |
| 65 mph (104.61 km/h) | 63.61 mph (102.38 km/h) |
| 70 mph (112.65 km/h) | 68.51 mph (110.25 km/h) |
| 75 mph (120.7 km/h) | 73.4 mph (118.13 km/h) |
| 80 mph (128.75 km/h) | 78.29 mph (126 km/h) |
| 85 mph (136.79 km/h) | 83.19 mph (133.88 km/h) |
| 90 mph (144.84 km/h) | 88.08 mph (141.75 km/h) |
| 95 mph (152.89 km/h) | 92.97 mph (149.63 km/h) |
| 100 mph (160.93 km/h) | 97.87 mph (157.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1579 | 1835 | 1976 | 2063 | 2157 | 2225 | 2299 | 2386 | 2507 | 2628 | 2762 | 2870 | 3065 | 3280 | 3448 | 3555 | 3616 | 3838 | 4147 | 4819 |
Better Fuel Economy Factory Ratios Increased Power
