Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-16 | 80/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.67 (550.4) | 22.67 (575.8) | 1 (25.4) 4.6% |
| Width inches (mm) | 3.54 (90) | 3.15 (80) | -0.39 (-10) -11.1% |
| Circum. inches (mm) | 68.08 (1729.13) | 71.22 (1808.93) | 3.14 (79.8) 4.6% |
| Sidewall Height inches (mm) | 2.83 (72) | 2.83 (72) | 0 (0) 0% |
| Revolutions per mile (km) | 930.72 (578.32) | 889.67 (552.81) | -41.06 (-25.51) -4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.92 mph (33.67 km/h) |
| 25 mph (40.23 km/h) | 26.15 mph (42.09 km/h) |
| 30 mph (48.28 km/h) | 31.38 mph (50.51 km/h) |
| 35 mph (56.33 km/h) | 36.62 mph (58.93 km/h) |
| 40 mph (64.37 km/h) | 41.85 mph (67.34 km/h) |
| 45 mph (72.42 km/h) | 47.08 mph (75.76 km/h) |
| 50 mph (80.47 km/h) | 52.31 mph (84.18 km/h) |
| 55 mph (88.51 km/h) | 57.54 mph (92.6 km/h) |
| 60 mph (96.56 km/h) | 62.77 mph (101.02 km/h) |
| 65 mph (104.61 km/h) | 68 mph (109.44 km/h) |
| 70 mph (112.65 km/h) | 73.23 mph (117.85 km/h) |
| 75 mph (120.7 km/h) | 78.46 mph (126.27 km/h) |
| 80 mph (128.75 km/h) | 83.69 mph (134.69 km/h) |
| 85 mph (136.79 km/h) | 88.92 mph (143.11 km/h) |
| 90 mph (144.84 km/h) | 94.15 mph (151.53 km/h) |
| 95 mph (152.89 km/h) | 99.38 mph (159.94 km/h) |
| 100 mph (160.93 km/h) | 104.61 mph (168.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2264 | 2630 | 2832 | 2958 | 3093 | 3189 | 3295 | 3420 | 3594 | 3767 | 3960 | 4114 | 4393 | 4701 | 4942 | 5096 | 5183 | 5501 | 5944 | 6908 |
Better Fuel Economy Factory Ratios Increased Power
