Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 265/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 34.69 (881.2) | -1.34 (-33.98) -3.7% |
| Width inches (mm) | 12.52 (318) | 10.43 (265) | -2.09 (-53) -16.7% |
| Circum. inches (mm) | 113.19 (2875.12) | 108.99 (2768.37) | -4.2 (-106.75) -3.7% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.35 (212) | -1.42 (-36.04) -14.5% |
| Revolutions per mile (km) | 559.75 (347.81) | 581.33 (361.22) | 21.58 (13.41) 3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (30.99 km/h) |
| 25 mph (40.23 km/h) | 24.07 mph (38.74 km/h) |
| 30 mph (48.28 km/h) | 28.89 mph (46.49 km/h) |
| 35 mph (56.33 km/h) | 33.7 mph (54.24 km/h) |
| 40 mph (64.37 km/h) | 38.51 mph (61.98 km/h) |
| 45 mph (72.42 km/h) | 43.33 mph (69.73 km/h) |
| 50 mph (80.47 km/h) | 48.14 mph (77.48 km/h) |
| 55 mph (88.51 km/h) | 52.96 mph (85.23 km/h) |
| 60 mph (96.56 km/h) | 57.77 mph (92.98 km/h) |
| 65 mph (104.61 km/h) | 62.59 mph (100.72 km/h) |
| 70 mph (112.65 km/h) | 67.4 mph (108.47 km/h) |
| 75 mph (120.7 km/h) | 72.22 mph (116.22 km/h) |
| 80 mph (128.75 km/h) | 77.03 mph (123.97 km/h) |
| 85 mph (136.79 km/h) | 81.84 mph (131.72 km/h) |
| 90 mph (144.84 km/h) | 86.66 mph (139.46 km/h) |
| 95 mph (152.89 km/h) | 91.47 mph (147.21 km/h) |
| 100 mph (160.93 km/h) | 96.29 mph (154.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1479 | 1719 | 1851 | 1933 | 2021 | 2084 | 2153 | 2235 | 2348 | 2461 | 2587 | 2688 | 2871 | 3072 | 3229 | 3330 | 3387 | 3595 | 3884 | 4514 |
Better Fuel Economy Factory Ratios Increased Power
