Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-16.5 | 305/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.86) | 34.01 (863.9) | 0.99 (25.04) 3% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 103.75 (2635.36) | 106.85 (2714.02) | 3.1 (78.67) 3% |
| Sidewall Height inches (mm) | 8.26 (209.88) | 9.01 (228.75) | 0.74 (18.87) 9% |
| Revolutions per mile (km) | 610.67 (379.45) | 592.97 (368.46) | -17.7 (-11) -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) | 25.75 mph (41.43 km/h) |
| 30 mph (48.28 km/h) | 30.9 mph (49.72 km/h) |
| 35 mph (56.33 km/h) | 36.04 mph (58.01 km/h) |
| 40 mph (64.37 km/h) | 41.19 mph (66.3 km/h) |
| 45 mph (72.42 km/h) | 46.34 mph (74.58 km/h) |
| 50 mph (80.47 km/h) | 51.49 mph (82.87 km/h) |
| 55 mph (88.51 km/h) | 56.64 mph (91.16 km/h) |
| 60 mph (96.56 km/h) | 61.79 mph (99.44 km/h) |
| 65 mph (104.61 km/h) | 66.94 mph (107.73 km/h) |
| 70 mph (112.65 km/h) | 72.09 mph (116.02 km/h) |
| 75 mph (120.7 km/h) | 77.24 mph (124.3 km/h) |
| 80 mph (128.75 km/h) | 82.39 mph (132.59 km/h) |
| 85 mph (136.79 km/h) | 87.54 mph (140.88 km/h) |
| 90 mph (144.84 km/h) | 92.69 mph (149.16 km/h) |
| 95 mph (152.89 km/h) | 97.84 mph (157.45 km/h) |
| 100 mph (160.93 km/h) | 102.99 mph (165.74 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
