Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 30.98 (786.84) | 8.4 (213.34) 37.2% |
| Width inches (mm) | 10.83 (275) | 10.51 (267) | -0.31 (-8) -2.9% |
| Circum. inches (mm) | 70.93 (1801.7) | 97.32 (2471.93) | 26.39 (670.23) 37.2% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 7.99 (202.92) | 4.2 (106.67) 110.8% |
| Revolutions per mile (km) | 893.23 (555.03) | 651.05 (404.54) | -242.19 (-150.49) -27.1% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.44 mph (44.16 km/h) |
| 25 mph (40.23 km/h) | 34.3 mph (55.2 km/h) |
| 30 mph (48.28 km/h) | 41.16 mph (66.24 km/h) |
| 35 mph (56.33 km/h) | 48.02 mph (77.28 km/h) |
| 40 mph (64.37 km/h) | 54.88 mph (88.32 km/h) |
| 45 mph (72.42 km/h) | 61.74 mph (99.36 km/h) |
| 50 mph (80.47 km/h) | 68.6 mph (110.4 km/h) |
| 55 mph (88.51 km/h) | 75.46 mph (121.44 km/h) |
| 60 mph (96.56 km/h) | 82.32 mph (132.48 km/h) |
| 65 mph (104.61 km/h) | 89.18 mph (143.52 km/h) |
| 70 mph (112.65 km/h) | 96.04 mph (154.56 km/h) |
| 75 mph (120.7 km/h) | 102.9 mph (165.6 km/h) |
| 80 mph (128.75 km/h) | 109.76 mph (176.64 km/h) |
| 85 mph (136.79 km/h) | 116.62 mph (187.68 km/h) |
| 90 mph (144.84 km/h) | 123.48 mph (198.72 km/h) |
| 95 mph (152.89 km/h) | 130.34 mph (209.76 km/h) |
| 100 mph (160.93 km/h) | 137.2 mph (220.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1657 | 1925 | 2073 | 2164 | 2263 | 2334 | 2411 | 2503 | 2630 | 2757 | 2898 | 3010 | 3215 | 3440 | 3617 | 3730 | 3793 | 4026 | 4350 | 5055 |
Better Fuel Economy Factory Ratios Increased Power
