Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-15 | 305/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.92) | 34.01 (863.9) | 0.98 (24.98) 3% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 103.76 (2635.54) | 106.85 (2714.02) | 3.09 (78.48) 3% |
| Sidewall Height inches (mm) | 9.01 (228.96) | 9.01 (228.75) | -0.01 (-0.21) -0.1% |
| Revolutions per mile (km) | 610.63 (379.43) | 592.97 (368.46) | -17.66 (-10.97) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.15 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.43 km/h) |
| 30 mph (48.28 km/h) | 30.89 mph (49.72 km/h) |
| 35 mph (56.33 km/h) | 36.04 mph (58 km/h) |
| 40 mph (64.37 km/h) | 41.19 mph (66.29 km/h) |
| 45 mph (72.42 km/h) | 46.34 mph (74.58 km/h) |
| 50 mph (80.47 km/h) | 51.49 mph (82.86 km/h) |
| 55 mph (88.51 km/h) | 56.64 mph (91.15 km/h) |
| 60 mph (96.56 km/h) | 61.79 mph (99.44 km/h) |
| 65 mph (104.61 km/h) | 66.94 mph (107.72 km/h) |
| 70 mph (112.65 km/h) | 72.08 mph (116.01 km/h) |
| 75 mph (120.7 km/h) | 77.23 mph (124.3 km/h) |
| 80 mph (128.75 km/h) | 82.38 mph (132.58 km/h) |
| 85 mph (136.79 km/h) | 87.53 mph (140.87 km/h) |
| 90 mph (144.84 km/h) | 92.68 mph (149.15 km/h) |
| 95 mph (152.89 km/h) | 97.83 mph (157.44 km/h) |
| 100 mph (160.93 km/h) | 102.98 mph (165.73 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
