Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12.5-15 | 305/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.03 (889.8) | 31.81 (808) | -3.22 (-81.8) -9.2% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 110.05 (2795.39) | 99.94 (2538.41) | -10.12 (-256.98) -9.2% |
| Sidewall Height inches (mm) | 10.02 (254.4) | 8.41 (213.5) | -1.61 (-40.9) -16.1% |
| Revolutions per mile (km) | 575.71 (357.73) | 634 (393.95) | 58.28 (36.22) 10.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.16 mph (29.23 km/h) |
| 25 mph (40.23 km/h) | 22.7 mph (36.53 km/h) |
| 30 mph (48.28 km/h) | 27.24 mph (43.84 km/h) |
| 35 mph (56.33 km/h) | 31.78 mph (51.15 km/h) |
| 40 mph (64.37 km/h) | 36.32 mph (58.46 km/h) |
| 45 mph (72.42 km/h) | 40.86 mph (65.76 km/h) |
| 50 mph (80.47 km/h) | 45.4 mph (73.07 km/h) |
| 55 mph (88.51 km/h) | 49.94 mph (80.38 km/h) |
| 60 mph (96.56 km/h) | 54.48 mph (87.68 km/h) |
| 65 mph (104.61 km/h) | 59.02 mph (94.99 km/h) |
| 70 mph (112.65 km/h) | 63.56 mph (102.3 km/h) |
| 75 mph (120.7 km/h) | 68.11 mph (109.6 km/h) |
| 80 mph (128.75 km/h) | 72.65 mph (116.91 km/h) |
| 85 mph (136.79 km/h) | 77.19 mph (124.22 km/h) |
| 90 mph (144.84 km/h) | 81.73 mph (131.53 km/h) |
| 95 mph (152.89 km/h) | 86.27 mph (138.83 km/h) |
| 100 mph (160.93 km/h) | 90.81 mph (146.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1613 | 1874 | 2018 | 2108 | 2204 | 2272 | 2348 | 2437 | 2561 | 2684 | 2822 | 2932 | 3131 | 3350 | 3522 | 3632 | 3694 | 3920 | 4236 | 4923 |
Better Fuel Economy Factory Ratios Increased Power
