Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 250/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 27.84 (707.2) | -0.18 (-4.6) -0.6% |
| Width inches (mm) | 10.04 (255) | 9.84 (250) | -0.2 (-5) -2% |
| Circum. inches (mm) | 88.04 (2236.19) | 87.47 (2221.73) | -0.57 (-14.45) -0.6% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 4.92 (125) | 1.91 (48.5) 63.4% |
| Revolutions per mile (km) | 719.68 (447.19) | 724.36 (450.1) | 4.68 (2.91) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.98 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.97 km/h) |
| 30 mph (48.28 km/h) | 29.81 mph (47.97 km/h) |
| 35 mph (56.33 km/h) | 34.77 mph (55.96 km/h) |
| 40 mph (64.37 km/h) | 39.74 mph (63.96 km/h) |
| 45 mph (72.42 km/h) | 44.71 mph (71.95 km/h) |
| 50 mph (80.47 km/h) | 49.68 mph (79.95 km/h) |
| 55 mph (88.51 km/h) | 54.64 mph (87.94 km/h) |
| 60 mph (96.56 km/h) | 59.61 mph (95.94 km/h) |
| 65 mph (104.61 km/h) | 64.58 mph (103.93 km/h) |
| 70 mph (112.65 km/h) | 69.55 mph (111.93 km/h) |
| 75 mph (120.7 km/h) | 74.52 mph (119.92 km/h) |
| 80 mph (128.75 km/h) | 79.48 mph (127.92 km/h) |
| 85 mph (136.79 km/h) | 84.45 mph (135.91 km/h) |
| 90 mph (144.84 km/h) | 89.42 mph (143.91 km/h) |
| 95 mph (152.89 km/h) | 94.39 mph (151.9 km/h) |
| 100 mph (160.93 km/h) | 99.35 mph (159.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1843 | 2141 | 2306 | 2408 | 2518 | 2596 | 2683 | 2785 | 2926 | 3067 | 3224 | 3349 | 3577 | 3828 | 4024 | 4150 | 4220 | 4479 | 4840 | 5624 |
Better Fuel Economy Factory Ratios Increased Power
