Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-26 | 325/35-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.92 (912.4) | 36.96 (938.7) | 1.04 (26.3) 2.9% |
| Width inches (mm) | 12.4 (315) | 12.8 (325) | 0.39 (10) 3.2% |
| Circum. inches (mm) | 112.85 (2866.39) | 116.1 (2949.01) | 3.25 (82.62) 2.9% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.48 (113.75) | -0.48 (-12.25) -9.7% |
| Revolutions per mile (km) | 561.45 (348.87) | 545.72 (339.1) | -15.73 (-9.77) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.11 km/h) |
| 25 mph (40.23 km/h) | 25.72 mph (41.39 km/h) |
| 30 mph (48.28 km/h) | 30.86 mph (49.67 km/h) |
| 35 mph (56.33 km/h) | 36.01 mph (57.95 km/h) |
| 40 mph (64.37 km/h) | 41.15 mph (66.23 km/h) |
| 45 mph (72.42 km/h) | 46.3 mph (74.51 km/h) |
| 50 mph (80.47 km/h) | 51.44 mph (82.79 km/h) |
| 55 mph (88.51 km/h) | 56.59 mph (91.07 km/h) |
| 60 mph (96.56 km/h) | 61.73 mph (99.34 km/h) |
| 65 mph (104.61 km/h) | 66.87 mph (107.62 km/h) |
| 70 mph (112.65 km/h) | 72.02 mph (115.9 km/h) |
| 75 mph (120.7 km/h) | 77.16 mph (124.18 km/h) |
| 80 mph (128.75 km/h) | 82.31 mph (132.46 km/h) |
| 85 mph (136.79 km/h) | 87.45 mph (140.74 km/h) |
| 90 mph (144.84 km/h) | 92.59 mph (149.02 km/h) |
| 95 mph (152.89 km/h) | 97.74 mph (157.29 km/h) |
| 100 mph (160.93 km/h) | 102.88 mph (165.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1389 | 1613 | 1737 | 1814 | 1897 | 1956 | 2021 | 2098 | 2204 | 2311 | 2429 | 2523 | 2695 | 2884 | 3032 | 3126 | 3179 | 3374 | 3646 | 4237 |
Better Fuel Economy Factory Ratios Increased Power
