Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 270/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 29.88 (759) | -3.05 (-77.52) -9.3% |
| Width inches (mm) | 11.5 (292) | 10.63 (270) | -0.87 (-22) -7.5% |
| Circum. inches (mm) | 103.46 (2628.01) | 93.88 (2384.47) | -9.59 (-243.54) -9.3% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 7.44 (189) | -1.53 (-38.76) -17% |
| Revolutions per mile (km) | 612.38 (380.52) | 674.93 (419.38) | 62.55 (38.86) 10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.15 mph (29.2 km/h) |
| 25 mph (40.23 km/h) | 22.68 mph (36.51 km/h) |
| 30 mph (48.28 km/h) | 27.22 mph (43.81 km/h) |
| 35 mph (56.33 km/h) | 31.76 mph (51.11 km/h) |
| 40 mph (64.37 km/h) | 36.29 mph (58.41 km/h) |
| 45 mph (72.42 km/h) | 40.83 mph (65.71 km/h) |
| 50 mph (80.47 km/h) | 45.37 mph (73.01 km/h) |
| 55 mph (88.51 km/h) | 49.9 mph (80.31 km/h) |
| 60 mph (96.56 km/h) | 54.44 mph (87.61 km/h) |
| 65 mph (104.61 km/h) | 58.98 mph (94.91 km/h) |
| 70 mph (112.65 km/h) | 63.51 mph (102.21 km/h) |
| 75 mph (120.7 km/h) | 68.05 mph (109.52 km/h) |
| 80 mph (128.75 km/h) | 72.59 mph (116.82 km/h) |
| 85 mph (136.79 km/h) | 77.12 mph (124.12 km/h) |
| 90 mph (144.84 km/h) | 81.66 mph (131.42 km/h) |
| 95 mph (152.89 km/h) | 86.2 mph (138.72 km/h) |
| 100 mph (160.93 km/h) | 90.73 mph (146.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1718 | 1995 | 2149 | 2244 | 2346 | 2419 | 2500 | 2595 | 2726 | 2858 | 3004 | 3121 | 3333 | 3567 | 3749 | 3866 | 3932 | 4173 | 4510 | 5240 |
Better Fuel Economy Factory Ratios Increased Power
