Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 375/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 37.19 (944.7) | 1.16 (29.52) 3.2% |
| Width inches (mm) | 12.52 (318) | 14.76 (375) | 2.24 (57) 17.9% |
| Circum. inches (mm) | 113.19 (2875.12) | 116.84 (2967.86) | 3.65 (92.74) 3.2% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 9.6 (243.75) | -0.17 (-4.29) -1.7% |
| Revolutions per mile (km) | 559.75 (347.81) | 542.26 (336.94) | -17.49 (-10.87) -3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.65 mph (33.23 km/h) |
| 25 mph (40.23 km/h) | 25.81 mph (41.53 km/h) |
| 30 mph (48.28 km/h) | 30.97 mph (49.84 km/h) |
| 35 mph (56.33 km/h) | 36.13 mph (58.14 km/h) |
| 40 mph (64.37 km/h) | 41.29 mph (66.45 km/h) |
| 45 mph (72.42 km/h) | 46.45 mph (74.76 km/h) |
| 50 mph (80.47 km/h) | 51.61 mph (83.06 km/h) |
| 55 mph (88.51 km/h) | 56.77 mph (91.37 km/h) |
| 60 mph (96.56 km/h) | 61.94 mph (99.68 km/h) |
| 65 mph (104.61 km/h) | 67.1 mph (107.98 km/h) |
| 70 mph (112.65 km/h) | 72.26 mph (116.29 km/h) |
| 75 mph (120.7 km/h) | 77.42 mph (124.59 km/h) |
| 80 mph (128.75 km/h) | 82.58 mph (132.9 km/h) |
| 85 mph (136.79 km/h) | 87.74 mph (141.21 km/h) |
| 90 mph (144.84 km/h) | 92.9 mph (149.51 km/h) |
| 95 mph (152.89 km/h) | 98.06 mph (157.82 km/h) |
| 100 mph (160.93 km/h) | 103.23 mph (166.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1380 | 1603 | 1726 | 1803 | 1885 | 1944 | 2008 | 2085 | 2190 | 2296 | 2413 | 2507 | 2678 | 2866 | 3012 | 3106 | 3159 | 3353 | 3623 | 4210 |
Better Fuel Economy Factory Ratios Increased Power
