Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/90-15 | 150/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.63 (651) | 25.45 (646.4) | -0.18 (-4.6) -0.7% |
| Width inches (mm) | 5.91 (150) | 5.91 (150) | 0 (0) 0% |
| Circum. inches (mm) | 80.52 (2045.18) | 79.95 (2030.73) | -0.57 (-14.45) -0.7% |
| Sidewall Height inches (mm) | 5.31 (135) | 4.72 (120) | -0.59 (-15) -11.1% |
| Revolutions per mile (km) | 786.9 (488.95) | 792.5 (492.43) | 5.6 (3.48) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.96 km/h) |
| 25 mph (40.23 km/h) | 24.82 mph (39.95 km/h) |
| 30 mph (48.28 km/h) | 29.79 mph (47.94 km/h) |
| 35 mph (56.33 km/h) | 34.75 mph (55.93 km/h) |
| 40 mph (64.37 km/h) | 39.72 mph (63.92 km/h) |
| 45 mph (72.42 km/h) | 44.68 mph (71.91 km/h) |
| 50 mph (80.47 km/h) | 49.65 mph (79.9 km/h) |
| 55 mph (88.51 km/h) | 54.61 mph (87.89 km/h) |
| 60 mph (96.56 km/h) | 59.58 mph (95.88 km/h) |
| 65 mph (104.61 km/h) | 64.54 mph (103.87 km/h) |
| 70 mph (112.65 km/h) | 69.51 mph (111.86 km/h) |
| 75 mph (120.7 km/h) | 74.47 mph (119.85 km/h) |
| 80 mph (128.75 km/h) | 79.43 mph (127.84 km/h) |
| 85 mph (136.79 km/h) | 84.4 mph (135.83 km/h) |
| 90 mph (144.84 km/h) | 89.36 mph (143.82 km/h) |
| 95 mph (152.89 km/h) | 94.33 mph (151.81 km/h) |
| 100 mph (160.93 km/h) | 99.29 mph (159.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 2343 | 2523 | 2635 | 2755 | 2841 | 2935 | 3047 | 3201 | 3356 | 3527 | 3664 | 3913 | 4188 | 4403 | 4540 | 4617 | 4900 | 5295 | 6153 |
Better Fuel Economy Factory Ratios Increased Power
