Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 290/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 30.98 (787) | -1.95 (-49.52) -5.9% |
| Width inches (mm) | 11.5 (292) | 11.42 (290) | -0.08 (-2) -0.7% |
| Circum. inches (mm) | 103.46 (2628.01) | 97.34 (2472.43) | -6.12 (-155.57) -5.9% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 7.99 (203) | -0.97 (-24.76) -10.9% |
| Revolutions per mile (km) | 612.38 (380.52) | 650.92 (404.46) | 38.53 (23.94) 6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.82 mph (30.28 km/h) |
| 25 mph (40.23 km/h) | 23.52 mph (37.85 km/h) |
| 30 mph (48.28 km/h) | 28.22 mph (45.42 km/h) |
| 35 mph (56.33 km/h) | 32.93 mph (52.99 km/h) |
| 40 mph (64.37 km/h) | 37.63 mph (60.56 km/h) |
| 45 mph (72.42 km/h) | 42.34 mph (68.13 km/h) |
| 50 mph (80.47 km/h) | 47.04 mph (75.7 km/h) |
| 55 mph (88.51 km/h) | 51.74 mph (83.27 km/h) |
| 60 mph (96.56 km/h) | 56.45 mph (90.84 km/h) |
| 65 mph (104.61 km/h) | 61.15 mph (98.42 km/h) |
| 70 mph (112.65 km/h) | 65.86 mph (105.99 km/h) |
| 75 mph (120.7 km/h) | 70.56 mph (113.56 km/h) |
| 80 mph (128.75 km/h) | 75.26 mph (121.13 km/h) |
| 85 mph (136.79 km/h) | 79.97 mph (128.7 km/h) |
| 90 mph (144.84 km/h) | 84.67 mph (136.27 km/h) |
| 95 mph (152.89 km/h) | 89.38 mph (143.84 km/h) |
| 100 mph (160.93 km/h) | 94.08 mph (151.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1656 | 1924 | 2072 | 2164 | 2263 | 2333 | 2411 | 2502 | 2629 | 2756 | 2897 | 3010 | 3214 | 3440 | 3616 | 3729 | 3792 | 4025 | 4349 | 5054 |
Better Fuel Economy Factory Ratios Increased Power
