Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/90-17 | 80/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.38 (593.8) | 22.67 (575.8) | -0.71 (-18) -3% |
| Width inches (mm) | 3.54 (90) | 3.15 (80) | -0.39 (-10) -11.1% |
| Circum. inches (mm) | 73.44 (1865.48) | 71.22 (1808.93) | -2.23 (-56.55) -3% |
| Sidewall Height inches (mm) | 3.19 (81) | 2.83 (72) | -0.35 (-9) -11.1% |
| Revolutions per mile (km) | 862.7 (536.05) | 889.67 (552.81) | 26.97 (16.76) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.82 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.42 km/h) |
| 45 mph (72.42 km/h) | 43.64 mph (70.23 km/h) |
| 50 mph (80.47 km/h) | 48.48 mph (78.03 km/h) |
| 55 mph (88.51 km/h) | 53.33 mph (85.83 km/h) |
| 60 mph (96.56 km/h) | 58.18 mph (93.63 km/h) |
| 65 mph (104.61 km/h) | 63.03 mph (101.44 km/h) |
| 70 mph (112.65 km/h) | 67.88 mph (109.24 km/h) |
| 75 mph (120.7 km/h) | 72.73 mph (117.04 km/h) |
| 80 mph (128.75 km/h) | 77.57 mph (124.85 km/h) |
| 85 mph (136.79 km/h) | 82.42 mph (132.65 km/h) |
| 90 mph (144.84 km/h) | 87.27 mph (140.45 km/h) |
| 95 mph (152.89 km/h) | 92.12 mph (148.25 km/h) |
| 100 mph (160.93 km/h) | 96.97 mph (156.06 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
