Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 35/15.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 35.17 (893.2) | -0.31 (-7.8) -0.9% |
| Width inches (mm) | 12.8 (325) | 15.51 (394) | 2.72 (69) 21.2% |
| Circum. inches (mm) | 111.44 (2830.57) | 110.48 (2806.07) | -0.96 (-24.5) -0.9% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.08 (256.1) | -0.15 (-3.9) -1.5% |
| Revolutions per mile (km) | 568.56 (353.28) | 573.52 (356.37) | 4.97 (3.09) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.83 mph (31.91 km/h) |
| 25 mph (40.23 km/h) | 24.78 mph (39.89 km/h) |
| 30 mph (48.28 km/h) | 29.74 mph (47.86 km/h) |
| 35 mph (56.33 km/h) | 34.7 mph (55.84 km/h) |
| 40 mph (64.37 km/h) | 39.65 mph (63.82 km/h) |
| 45 mph (72.42 km/h) | 44.61 mph (71.79 km/h) |
| 50 mph (80.47 km/h) | 49.57 mph (79.77 km/h) |
| 55 mph (88.51 km/h) | 54.52 mph (87.75 km/h) |
| 60 mph (96.56 km/h) | 59.48 mph (95.72 km/h) |
| 65 mph (104.61 km/h) | 64.44 mph (103.7 km/h) |
| 70 mph (112.65 km/h) | 69.39 mph (111.68 km/h) |
| 75 mph (120.7 km/h) | 74.35 mph (119.66 km/h) |
| 80 mph (128.75 km/h) | 79.31 mph (127.63 km/h) |
| 85 mph (136.79 km/h) | 84.26 mph (135.61 km/h) |
| 90 mph (144.84 km/h) | 89.22 mph (143.59 km/h) |
| 95 mph (152.89 km/h) | 94.18 mph (151.56 km/h) |
| 100 mph (160.93 km/h) | 99.13 mph (159.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1460 | 1696 | 1826 | 1907 | 1994 | 2056 | 2124 | 2205 | 2317 | 2428 | 2553 | 2652 | 2832 | 3031 | 3186 | 3285 | 3341 | 3546 | 3832 | 4453 |
Better Fuel Economy Factory Ratios Increased Power
