Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 140/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 24.92 (633) | 1.06 (27) 4.5% |
| Width inches (mm) | 4.92 (125) | 5.51 (140) | 0.59 (15) 12% |
| Circum. inches (mm) | 74.95 (1903.81) | 78.29 (1988.63) | 3.34 (84.82) 4.5% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.96 (126) | 0.53 (13.5) 12% |
| Revolutions per mile (km) | 845.33 (525.26) | 809.27 (502.86) | -36.06 (-22.4) -4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 mph (33.62 km/h) |
| 25 mph (40.23 km/h) | 26.11 mph (42.03 km/h) |
| 30 mph (48.28 km/h) | 31.34 mph (50.43 km/h) |
| 35 mph (56.33 km/h) | 36.56 mph (58.84 km/h) |
| 40 mph (64.37 km/h) | 41.78 mph (67.24 km/h) |
| 45 mph (72.42 km/h) | 47 mph (75.65 km/h) |
| 50 mph (80.47 km/h) | 52.23 mph (84.05 km/h) |
| 55 mph (88.51 km/h) | 57.45 mph (92.46 km/h) |
| 60 mph (96.56 km/h) | 62.67 mph (100.86 km/h) |
| 65 mph (104.61 km/h) | 67.9 mph (109.27 km/h) |
| 70 mph (112.65 km/h) | 73.12 mph (117.67 km/h) |
| 75 mph (120.7 km/h) | 78.34 mph (126.08 km/h) |
| 80 mph (128.75 km/h) | 83.56 mph (134.48 km/h) |
| 85 mph (136.79 km/h) | 88.79 mph (142.89 km/h) |
| 90 mph (144.84 km/h) | 94.01 mph (151.29 km/h) |
| 95 mph (152.89 km/h) | 99.23 mph (159.7 km/h) |
| 100 mph (160.93 km/h) | 104.46 mph (168.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2059 | 2392 | 2576 | 2690 | 2813 | 2901 | 2997 | 3111 | 3269 | 3427 | 3602 | 3742 | 3996 | 4277 | 4496 | 4636 | 4715 | 5004 | 5407 | 6284 |
Better Fuel Economy Factory Ratios Increased Power
