Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-22.5 | 300/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.66 (956.5) | 36.54 (928) | -1.12 (-28.5) -3% |
| Width inches (mm) | 10.83 (275) | 11.81 (300) | 0.98 (25) 9.1% |
| Circum. inches (mm) | 118.3 (3004.93) | 114.78 (2915.4) | -3.53 (-89.54) -3% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 8.27 (210) | 0.69 (17.5) 9.1% |
| Revolutions per mile (km) | 535.57 (332.79) | 552.02 (343.01) | 16.45 (10.22) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.4 mph (31.23 km/h) |
| 25 mph (40.23 km/h) | 24.26 mph (39.03 km/h) |
| 30 mph (48.28 km/h) | 29.11 mph (46.84 km/h) |
| 35 mph (56.33 km/h) | 33.96 mph (54.65 km/h) |
| 40 mph (64.37 km/h) | 38.81 mph (62.46 km/h) |
| 45 mph (72.42 km/h) | 43.66 mph (70.26 km/h) |
| 50 mph (80.47 km/h) | 48.51 mph (78.07 km/h) |
| 55 mph (88.51 km/h) | 53.36 mph (85.88 km/h) |
| 60 mph (96.56 km/h) | 58.21 mph (93.68 km/h) |
| 65 mph (104.61 km/h) | 63.06 mph (101.49 km/h) |
| 70 mph (112.65 km/h) | 67.91 mph (109.3 km/h) |
| 75 mph (120.7 km/h) | 72.77 mph (117.1 km/h) |
| 80 mph (128.75 km/h) | 77.62 mph (124.91 km/h) |
| 85 mph (136.79 km/h) | 82.47 mph (132.72 km/h) |
| 90 mph (144.84 km/h) | 87.32 mph (140.53 km/h) |
| 95 mph (152.89 km/h) | 92.17 mph (148.33 km/h) |
| 100 mph (160.93 km/h) | 97.02 mph (156.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1405 | 1632 | 1757 | 1835 | 1919 | 1979 | 2044 | 2122 | 2230 | 2337 | 2457 | 2553 | 2726 | 2917 | 3067 | 3162 | 3216 | 3413 | 3688 | 4286 |
Better Fuel Economy Factory Ratios Increased Power
