Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-10 | 90/90-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 16.61 (422) | 18.38 (466.8) | 1.76 (44.8) 10.6% |
| Width inches (mm) | 4.72 (120) | 3.54 (90) | -1.18 (-30) -25% |
| Circum. inches (mm) | 52.19 (1325.75) | 57.74 (1466.5) | 5.54 (140.74) 10.6% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.19 (81) | -0.12 (-3) -3.6% |
| Revolutions per mile (km) | 1213.91 (754.29) | 1097.41 (681.9) | -116.5 (-72.39) -9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.12 mph (35.6 km/h) |
| 25 mph (40.23 km/h) | 27.65 mph (44.5 km/h) |
| 30 mph (48.28 km/h) | 33.18 mph (53.41 km/h) |
| 35 mph (56.33 km/h) | 38.72 mph (62.31 km/h) |
| 40 mph (64.37 km/h) | 44.25 mph (71.21 km/h) |
| 45 mph (72.42 km/h) | 49.78 mph (80.11 km/h) |
| 50 mph (80.47 km/h) | 55.31 mph (89.01 km/h) |
| 55 mph (88.51 km/h) | 60.84 mph (97.91 km/h) |
| 60 mph (96.56 km/h) | 66.37 mph (106.81 km/h) |
| 65 mph (104.61 km/h) | 71.9 mph (115.71 km/h) |
| 70 mph (112.65 km/h) | 77.43 mph (124.61 km/h) |
| 75 mph (120.7 km/h) | 82.96 mph (133.51 km/h) |
| 80 mph (128.75 km/h) | 88.49 mph (142.42 km/h) |
| 85 mph (136.79 km/h) | 94.02 mph (151.32 km/h) |
| 90 mph (144.84 km/h) | 99.55 mph (160.22 km/h) |
| 95 mph (152.89 km/h) | 105.09 mph (169.12 km/h) |
| 100 mph (160.93 km/h) | 110.62 mph (178.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
