Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-22 | 30/12.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.41 (696.3) | 30.01 (762.32) | 2.6 (66.02) 9.5% |
| Width inches (mm) | 10.83 (275) | 12.52 (318) | 1.69 (43) 15.6% |
| Circum. inches (mm) | 86.12 (2187.49) | 94.29 (2394.9) | 8.17 (207.41) 9.5% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 4.01 (101.76) | 1.3 (33.01) 48% |
| Revolutions per mile (km) | 735.7 (457.14) | 671.99 (417.55) | -63.71 (-39.59) -8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.9 mph (35.24 km/h) |
| 25 mph (40.23 km/h) | 27.37 mph (44.05 km/h) |
| 30 mph (48.28 km/h) | 32.84 mph (52.86 km/h) |
| 35 mph (56.33 km/h) | 38.32 mph (61.67 km/h) |
| 40 mph (64.37 km/h) | 43.79 mph (70.48 km/h) |
| 45 mph (72.42 km/h) | 49.27 mph (79.29 km/h) |
| 50 mph (80.47 km/h) | 54.74 mph (88.1 km/h) |
| 55 mph (88.51 km/h) | 60.21 mph (96.91 km/h) |
| 60 mph (96.56 km/h) | 65.69 mph (105.72 km/h) |
| 65 mph (104.61 km/h) | 71.16 mph (114.53 km/h) |
| 70 mph (112.65 km/h) | 76.64 mph (123.34 km/h) |
| 75 mph (120.7 km/h) | 82.11 mph (132.15 km/h) |
| 80 mph (128.75 km/h) | 87.59 mph (140.96 km/h) |
| 85 mph (136.79 km/h) | 93.06 mph (149.76 km/h) |
| 90 mph (144.84 km/h) | 98.53 mph (158.57 km/h) |
| 95 mph (152.89 km/h) | 104.01 mph (167.38 km/h) |
| 100 mph (160.93 km/h) | 109.48 mph (176.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1710 | 1987 | 2139 | 2234 | 2336 | 2409 | 2489 | 2583 | 2714 | 2845 | 2991 | 3107 | 3318 | 3551 | 3733 | 3850 | 3915 | 4155 | 4490 | 5218 |
Better Fuel Economy Factory Ratios Increased Power
