Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-17 | 145/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.45 (671.8) | 25.56 (649.3) | -0.89 (-22.5) -3.3% |
| Width inches (mm) | 5.91 (150) | 5.71 (145) | -0.2 (-5) -3.3% |
| Circum. inches (mm) | 83.09 (2110.52) | 80.31 (2039.84) | -2.78 (-70.69) -3.3% |
| Sidewall Height inches (mm) | 4.72 (120) | 4.28 (108.75) | -0.44 (-11.25) -9.4% |
| Revolutions per mile (km) | 762.53 (473.82) | 788.96 (490.23) | 26.42 (16.42) 3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.33 mph (31.11 km/h) |
| 25 mph (40.23 km/h) | 24.16 mph (38.89 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.66 km/h) |
| 35 mph (56.33 km/h) | 33.83 mph (54.44 km/h) |
| 40 mph (64.37 km/h) | 38.66 mph (62.22 km/h) |
| 45 mph (72.42 km/h) | 43.49 mph (70 km/h) |
| 50 mph (80.47 km/h) | 48.33 mph (77.77 km/h) |
| 55 mph (88.51 km/h) | 53.16 mph (85.55 km/h) |
| 60 mph (96.56 km/h) | 57.99 mph (93.33 km/h) |
| 65 mph (104.61 km/h) | 62.82 mph (101.1 km/h) |
| 70 mph (112.65 km/h) | 67.66 mph (108.88 km/h) |
| 75 mph (120.7 km/h) | 72.49 mph (116.66 km/h) |
| 80 mph (128.75 km/h) | 77.32 mph (124.44 km/h) |
| 85 mph (136.79 km/h) | 82.15 mph (132.21 km/h) |
| 90 mph (144.84 km/h) | 86.99 mph (139.99 km/h) |
| 95 mph (152.89 km/h) | 91.82 mph (147.77 km/h) |
| 100 mph (160.93 km/h) | 96.65 mph (155.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 2332 | 2512 | 2623 | 2742 | 2828 | 2922 | 3033 | 3187 | 3341 | 3511 | 3648 | 3896 | 4169 | 4383 | 4520 | 4596 | 4878 | 5271 | 6126 |
Better Fuel Economy Factory Ratios Increased Power
