Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/10-12 | 245/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26 (660.4) | 31.4 (797.5) | 5.4 (137.1) 20.8% |
| Width inches (mm) | 10 (254) | 9.65 (245) | -0.35 (-9) -3.5% |
| Circum. inches (mm) | 81.68 (2074.71) | 98.64 (2505.42) | 16.96 (430.71) 20.8% |
| Sidewall Height inches (mm) | 7 (177.8) | 8.2 (208.25) | 1.2 (30.45) 17.1% |
| Revolutions per mile (km) | 775.7 (481.99) | 642.34 (399.13) | -133.35 (-82.86) -17.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.15 mph (38.87 km/h) |
| 25 mph (40.23 km/h) | 30.19 mph (48.59 km/h) |
| 30 mph (48.28 km/h) | 36.23 mph (58.3 km/h) |
| 35 mph (56.33 km/h) | 42.27 mph (68.02 km/h) |
| 40 mph (64.37 km/h) | 48.3 mph (77.74 km/h) |
| 45 mph (72.42 km/h) | 54.34 mph (87.46 km/h) |
| 50 mph (80.47 km/h) | 60.38 mph (97.17 km/h) |
| 55 mph (88.51 km/h) | 66.42 mph (106.89 km/h) |
| 60 mph (96.56 km/h) | 72.46 mph (116.61 km/h) |
| 65 mph (104.61 km/h) | 78.49 mph (126.32 km/h) |
| 70 mph (112.65 km/h) | 84.53 mph (136.04 km/h) |
| 75 mph (120.7 km/h) | 90.57 mph (145.76 km/h) |
| 80 mph (128.75 km/h) | 96.61 mph (155.48 km/h) |
| 85 mph (136.79 km/h) | 102.65 mph (165.19 km/h) |
| 90 mph (144.84 km/h) | 108.68 mph (174.91 km/h) |
| 95 mph (152.89 km/h) | 114.72 mph (184.63 km/h) |
| 100 mph (160.93 km/h) | 120.76 mph (194.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1635 | 1899 | 2045 | 2135 | 2233 | 2302 | 2379 | 2469 | 2595 | 2720 | 2859 | 2970 | 3172 | 3394 | 3568 | 3680 | 3742 | 3972 | 4292 | 4987 |
Better Fuel Economy Factory Ratios Increased Power
