Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-26 | 37/13.5-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.92 (912.4) | 37.07 (941.66) | 1.15 (29.26) 3.2% |
| Width inches (mm) | 12.4 (315) | 13.5 (343) | 1.1 (28) 8.9% |
| Circum. inches (mm) | 112.85 (2866.39) | 116.47 (2958.31) | 3.62 (91.92) 3.2% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.54 (140.63) | 0.58 (14.63) 11.6% |
| Revolutions per mile (km) | 561.45 (348.87) | 544.01 (338.03) | -17.45 (-10.84) -3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.64 mph (33.22 km/h) |
| 25 mph (40.23 km/h) | 25.8 mph (41.52 km/h) |
| 30 mph (48.28 km/h) | 30.96 mph (49.83 km/h) |
| 35 mph (56.33 km/h) | 36.12 mph (58.13 km/h) |
| 40 mph (64.37 km/h) | 41.28 mph (66.44 km/h) |
| 45 mph (72.42 km/h) | 46.44 mph (74.74 km/h) |
| 50 mph (80.47 km/h) | 51.6 mph (83.05 km/h) |
| 55 mph (88.51 km/h) | 56.76 mph (91.35 km/h) |
| 60 mph (96.56 km/h) | 61.92 mph (99.66 km/h) |
| 65 mph (104.61 km/h) | 67.08 mph (107.96 km/h) |
| 70 mph (112.65 km/h) | 72.24 mph (116.27 km/h) |
| 75 mph (120.7 km/h) | 77.41 mph (124.57 km/h) |
| 80 mph (128.75 km/h) | 82.57 mph (132.88 km/h) |
| 85 mph (136.79 km/h) | 87.73 mph (141.18 km/h) |
| 90 mph (144.84 km/h) | 92.89 mph (149.49 km/h) |
| 95 mph (152.89 km/h) | 98.05 mph (157.79 km/h) |
| 100 mph (160.93 km/h) | 103.21 mph (166.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1384 | 1608 | 1732 | 1809 | 1891 | 1950 | 2015 | 2091 | 2197 | 2303 | 2421 | 2515 | 2686 | 2875 | 3022 | 3116 | 3169 | 3364 | 3635 | 4224 |
Better Fuel Economy Factory Ratios Increased Power
