Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/80-17 | 80/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.04 (559.8) | 22.67 (575.8) | 0.63 (16) 2.9% |
| Width inches (mm) | 3.15 (80) | 3.15 (80) | 0 (0) 0% |
| Circum. inches (mm) | 69.24 (1758.66) | 71.22 (1808.93) | 1.98 (50.27) 2.9% |
| Sidewall Height inches (mm) | 2.52 (64) | 2.83 (72) | 0.31 (8) 12.5% |
| Revolutions per mile (km) | 915.09 (568.61) | 889.67 (552.81) | -25.43 (-15.8) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.57 mph (33.11 km/h) |
| 25 mph (40.23 km/h) | 25.71 mph (41.38 km/h) |
| 30 mph (48.28 km/h) | 30.86 mph (49.66 km/h) |
| 35 mph (56.33 km/h) | 36 mph (57.94 km/h) |
| 40 mph (64.37 km/h) | 41.14 mph (66.21 km/h) |
| 45 mph (72.42 km/h) | 46.29 mph (74.49 km/h) |
| 50 mph (80.47 km/h) | 51.43 mph (82.77 km/h) |
| 55 mph (88.51 km/h) | 56.57 mph (91.04 km/h) |
| 60 mph (96.56 km/h) | 61.71 mph (99.32 km/h) |
| 65 mph (104.61 km/h) | 66.86 mph (107.6 km/h) |
| 70 mph (112.65 km/h) | 72 mph (115.87 km/h) |
| 75 mph (120.7 km/h) | 77.14 mph (124.15 km/h) |
| 80 mph (128.75 km/h) | 82.29 mph (132.43 km/h) |
| 85 mph (136.79 km/h) | 87.43 mph (140.7 km/h) |
| 90 mph (144.84 km/h) | 92.57 mph (148.98 km/h) |
| 95 mph (152.89 km/h) | 97.72 mph (157.26 km/h) |
| 100 mph (160.93 km/h) | 102.86 mph (165.53 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
