Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 245/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 31.5 (800.2) | -4.53 (-114.98) -12.6% |
| Width inches (mm) | 12.52 (318) | 9.65 (245) | -2.87 (-73) -23% |
| Circum. inches (mm) | 113.19 (2875.12) | 98.97 (2513.9) | -14.22 (-361.22) -12.6% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 6.75 (171.5) | -3.01 (-76.54) -30.9% |
| Revolutions per mile (km) | 559.75 (347.81) | 640.18 (397.79) | 80.43 (49.98) 14.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.49 mph (28.14 km/h) |
| 25 mph (40.23 km/h) | 21.86 mph (35.18 km/h) |
| 30 mph (48.28 km/h) | 26.23 mph (42.21 km/h) |
| 35 mph (56.33 km/h) | 30.6 mph (49.25 km/h) |
| 40 mph (64.37 km/h) | 34.97 mph (56.29 km/h) |
| 45 mph (72.42 km/h) | 39.35 mph (63.32 km/h) |
| 50 mph (80.47 km/h) | 43.72 mph (70.36 km/h) |
| 55 mph (88.51 km/h) | 48.09 mph (77.39 km/h) |
| 60 mph (96.56 km/h) | 52.46 mph (84.43 km/h) |
| 65 mph (104.61 km/h) | 56.83 mph (91.47 km/h) |
| 70 mph (112.65 km/h) | 61.21 mph (98.5 km/h) |
| 75 mph (120.7 km/h) | 65.58 mph (105.54 km/h) |
| 80 mph (128.75 km/h) | 69.95 mph (112.57 km/h) |
| 85 mph (136.79 km/h) | 74.32 mph (119.61 km/h) |
| 90 mph (144.84 km/h) | 78.69 mph (126.64 km/h) |
| 95 mph (152.89 km/h) | 83.06 mph (133.68 km/h) |
| 100 mph (160.93 km/h) | 87.44 mph (140.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1629 | 1893 | 2038 | 2128 | 2225 | 2295 | 2371 | 2461 | 2586 | 2711 | 2849 | 2960 | 3161 | 3383 | 3556 | 3667 | 3730 | 3958 | 4277 | 4971 |
Better Fuel Economy Factory Ratios Increased Power
