Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 375/66-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 35.49 (901.4) | -0.54 (-13.78) -1.5% |
| Width inches (mm) | 12.52 (318) | 14.76 (375) | 2.24 (57) 17.9% |
| Circum. inches (mm) | 113.19 (2875.12) | 111.49 (2831.83) | -1.7 (-43.29) -1.5% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 9.74 (247.5) | -0.02 (-0.54) -0.2% |
| Revolutions per mile (km) | 559.75 (347.81) | 568.3 (353.13) | 8.56 (5.32) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.7 mph (31.7 km/h) |
| 25 mph (40.23 km/h) | 24.62 mph (39.63 km/h) |
| 30 mph (48.28 km/h) | 29.55 mph (47.55 km/h) |
| 35 mph (56.33 km/h) | 34.47 mph (55.48 km/h) |
| 40 mph (64.37 km/h) | 39.4 mph (63.4 km/h) |
| 45 mph (72.42 km/h) | 44.32 mph (71.33 km/h) |
| 50 mph (80.47 km/h) | 49.25 mph (79.26 km/h) |
| 55 mph (88.51 km/h) | 54.17 mph (87.18 km/h) |
| 60 mph (96.56 km/h) | 59.1 mph (95.11 km/h) |
| 65 mph (104.61 km/h) | 64.02 mph (103.03 km/h) |
| 70 mph (112.65 km/h) | 68.95 mph (110.96 km/h) |
| 75 mph (120.7 km/h) | 73.87 mph (118.88 km/h) |
| 80 mph (128.75 km/h) | 78.8 mph (126.81 km/h) |
| 85 mph (136.79 km/h) | 83.72 mph (134.73 km/h) |
| 90 mph (144.84 km/h) | 88.64 mph (142.66 km/h) |
| 95 mph (152.89 km/h) | 93.57 mph (150.59 km/h) |
| 100 mph (160.93 km/h) | 98.49 mph (158.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1446 | 1680 | 1809 | 1889 | 1975 | 2037 | 2105 | 2185 | 2296 | 2406 | 2529 | 2628 | 2806 | 3003 | 3157 | 3256 | 3311 | 3514 | 3797 | 4413 |
Better Fuel Economy Factory Ratios Increased Power
