Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/70-10 | 90/55-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 14.96 (380) | 13.9 (353) | -1.06 (-27) -7.1% |
| Width inches (mm) | 3.54 (90) | 3.54 (90) | 0 (0) 0% |
| Circum. inches (mm) | 47 (1193.81) | 43.66 (1108.98) | -3.34 (-84.82) -7.1% |
| Sidewall Height inches (mm) | 2.48 (63) | 1.95 (49.5) | -0.53 (-13.5) -21.4% |
| Revolutions per mile (km) | 1348.08 (837.66) | 1451.19 (901.73) | 103.11 (64.07) 7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.58 mph (29.9 km/h) |
| 25 mph (40.23 km/h) | 23.22 mph (37.37 km/h) |
| 30 mph (48.28 km/h) | 27.87 mph (44.85 km/h) |
| 35 mph (56.33 km/h) | 32.51 mph (52.32 km/h) |
| 40 mph (64.37 km/h) | 37.16 mph (59.8 km/h) |
| 45 mph (72.42 km/h) | 41.8 mph (67.27 km/h) |
| 50 mph (80.47 km/h) | 46.45 mph (74.75 km/h) |
| 55 mph (88.51 km/h) | 51.09 mph (82.22 km/h) |
| 60 mph (96.56 km/h) | 55.74 mph (89.7 km/h) |
| 65 mph (104.61 km/h) | 60.38 mph (97.17 km/h) |
| 70 mph (112.65 km/h) | 65.03 mph (104.65 km/h) |
| 75 mph (120.7 km/h) | 69.67 mph (112.12 km/h) |
| 80 mph (128.75 km/h) | 74.32 mph (119.6 km/h) |
| 85 mph (136.79 km/h) | 78.96 mph (127.07 km/h) |
| 90 mph (144.84 km/h) | 83.61 mph (134.55 km/h) |
| 95 mph (152.89 km/h) | 88.25 mph (142.02 km/h) |
| 100 mph (160.93 km/h) | 92.89 mph (149.5 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
