Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-22 | 305/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.02 (838.64) | 31.61 (802.8) | -1.41 (-35.84) -4.3% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 103.73 (2634.67) | 99.29 (2522.07) | -4.43 (-112.59) -4.3% |
| Sidewall Height inches (mm) | 5.51 (139.92) | 4.8 (122) | -0.71 (-17.92) -12.8% |
| Revolutions per mile (km) | 610.83 (379.55) | 638.1 (396.5) | 27.27 (16.94) 4.5% |
305/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.15 mph (30.81 km/h) |
| 25 mph (40.23 km/h) | 23.93 mph (38.51 km/h) |
| 30 mph (48.28 km/h) | 28.72 mph (46.22 km/h) |
| 35 mph (56.33 km/h) | 33.5 mph (53.92 km/h) |
| 40 mph (64.37 km/h) | 38.29 mph (61.62 km/h) |
| 45 mph (72.42 km/h) | 43.08 mph (69.33 km/h) |
| 50 mph (80.47 km/h) | 47.86 mph (77.03 km/h) |
| 55 mph (88.51 km/h) | 52.65 mph (84.73 km/h) |
| 60 mph (96.56 km/h) | 57.44 mph (92.43 km/h) |
| 65 mph (104.61 km/h) | 62.22 mph (100.14 km/h) |
| 70 mph (112.65 km/h) | 67.01 mph (107.84 km/h) |
| 75 mph (120.7 km/h) | 71.79 mph (115.54 km/h) |
| 80 mph (128.75 km/h) | 76.58 mph (123.25 km/h) |
| 85 mph (136.79 km/h) | 81.37 mph (130.95 km/h) |
| 90 mph (144.84 km/h) | 86.15 mph (138.65 km/h) |
| 95 mph (152.89 km/h) | 90.94 mph (146.35 km/h) |
| 100 mph (160.93 km/h) | 95.73 mph (154.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1624 | 1886 | 2032 | 2121 | 2218 | 2287 | 2363 | 2453 | 2577 | 2702 | 2840 | 2951 | 3151 | 3372 | 3545 | 3655 | 3718 | 3946 | 4263 | 4954 |
Better Fuel Economy Factory Ratios Increased Power
