Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-16 | 80/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.67 (550.4) | 19.67 (499.6) | -2 (-50.8) -9.2% |
| Width inches (mm) | 3.54 (90) | 3.15 (80) | -0.39 (-10) -11.1% |
| Circum. inches (mm) | 68.08 (1729.13) | 61.79 (1569.54) | -6.28 (-159.59) -9.2% |
| Sidewall Height inches (mm) | 2.83 (72) | 2.83 (72) | 0 (0) 0% |
| Revolutions per mile (km) | 930.72 (578.32) | 1025.36 (637.13) | 94.64 (58.8) 10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.15 mph (29.22 km/h) |
| 25 mph (40.23 km/h) | 22.69 mph (36.52 km/h) |
| 30 mph (48.28 km/h) | 27.23 mph (43.82 km/h) |
| 35 mph (56.33 km/h) | 31.77 mph (51.13 km/h) |
| 40 mph (64.37 km/h) | 36.31 mph (58.43 km/h) |
| 45 mph (72.42 km/h) | 40.85 mph (65.74 km/h) |
| 50 mph (80.47 km/h) | 45.39 mph (73.04 km/h) |
| 55 mph (88.51 km/h) | 49.92 mph (80.34 km/h) |
| 60 mph (96.56 km/h) | 54.46 mph (87.65 km/h) |
| 65 mph (104.61 km/h) | 59 mph (94.95 km/h) |
| 70 mph (112.65 km/h) | 63.54 mph (102.26 km/h) |
| 75 mph (120.7 km/h) | 68.08 mph (109.56 km/h) |
| 80 mph (128.75 km/h) | 72.62 mph (116.86 km/h) |
| 85 mph (136.79 km/h) | 77.15 mph (124.17 km/h) |
| 90 mph (144.84 km/h) | 81.69 mph (131.47 km/h) |
| 95 mph (152.89 km/h) | 86.23 mph (138.78 km/h) |
| 100 mph (160.93 km/h) | 90.77 mph (146.08 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
