Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10-15 | 245/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.4) | 29.47 (748.5) | -1.53 (-38.9) -4.9% |
| Width inches (mm) | 10 (254) | 9.65 (245) | -0.35 (-9) -3.5% |
| Circum. inches (mm) | 97.39 (2473.69) | 92.58 (2351.48) | -4.81 (-122.21) -4.9% |
| Sidewall Height inches (mm) | 8 (203.2) | 7.23 (183.75) | -0.77 (-19.45) -9.6% |
| Revolutions per mile (km) | 650.58 (404.25) | 684.4 (425.26) | 33.81 (21.01) 5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.01 mph (30.6 km/h) |
| 25 mph (40.23 km/h) | 23.76 mph (38.25 km/h) |
| 30 mph (48.28 km/h) | 28.52 mph (45.9 km/h) |
| 35 mph (56.33 km/h) | 33.27 mph (53.54 km/h) |
| 40 mph (64.37 km/h) | 38.02 mph (61.19 km/h) |
| 45 mph (72.42 km/h) | 42.78 mph (68.84 km/h) |
| 50 mph (80.47 km/h) | 47.53 mph (76.49 km/h) |
| 55 mph (88.51 km/h) | 52.28 mph (84.14 km/h) |
| 60 mph (96.56 km/h) | 57.04 mph (91.79 km/h) |
| 65 mph (104.61 km/h) | 61.79 mph (99.44 km/h) |
| 70 mph (112.65 km/h) | 66.54 mph (107.09 km/h) |
| 75 mph (120.7 km/h) | 71.29 mph (114.74 km/h) |
| 80 mph (128.75 km/h) | 76.05 mph (122.39 km/h) |
| 85 mph (136.79 km/h) | 80.8 mph (130.04 km/h) |
| 90 mph (144.84 km/h) | 85.55 mph (137.69 km/h) |
| 95 mph (152.89 km/h) | 90.31 mph (145.33 km/h) |
| 100 mph (160.93 km/h) | 95.06 mph (152.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1742 | 2023 | 2179 | 2275 | 2379 | 2453 | 2535 | 2631 | 2764 | 2898 | 3046 | 3165 | 3380 | 3617 | 3802 | 3921 | 3987 | 4232 | 4573 | 5314 |
Better Fuel Economy Factory Ratios Increased Power
