Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/90-15 | 150/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 25.45 (646.4) | 0.53 (13.4) 2.1% |
| Width inches (mm) | 5.51 (140) | 5.91 (150) | 0.39 (10) 7.1% |
| Circum. inches (mm) | 78.29 (1988.63) | 79.95 (2030.73) | 1.66 (42.1) 2.1% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.72 (120) | -0.24 (-6) -4.8% |
| Revolutions per mile (km) | 809.27 (502.86) | 792.5 (492.43) | -16.78 (-10.42) -2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.42 mph (32.87 km/h) |
| 25 mph (40.23 km/h) | 25.53 mph (41.09 km/h) |
| 30 mph (48.28 km/h) | 30.64 mph (49.3 km/h) |
| 35 mph (56.33 km/h) | 35.74 mph (57.52 km/h) |
| 40 mph (64.37 km/h) | 40.85 mph (65.74 km/h) |
| 45 mph (72.42 km/h) | 45.95 mph (73.95 km/h) |
| 50 mph (80.47 km/h) | 51.06 mph (82.17 km/h) |
| 55 mph (88.51 km/h) | 56.16 mph (90.39 km/h) |
| 60 mph (96.56 km/h) | 61.27 mph (98.6 km/h) |
| 65 mph (104.61 km/h) | 66.38 mph (106.82 km/h) |
| 70 mph (112.65 km/h) | 71.48 mph (115.04 km/h) |
| 75 mph (120.7 km/h) | 76.59 mph (123.26 km/h) |
| 80 mph (128.75 km/h) | 81.69 mph (131.47 km/h) |
| 85 mph (136.79 km/h) | 86.8 mph (139.69 km/h) |
| 90 mph (144.84 km/h) | 91.91 mph (147.91 km/h) |
| 95 mph (152.89 km/h) | 97.01 mph (156.12 km/h) |
| 100 mph (160.93 km/h) | 102.12 mph (164.34 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
