Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-16 | 175/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.57 (649.4) | 27.02 (686.4) | 1.46 (37) 5.7% |
| Width inches (mm) | 5.31 (135) | 6.89 (175) | 1.57 (40) 29.6% |
| Circum. inches (mm) | 80.32 (2040.15) | 84.9 (2156.39) | 4.58 (116.24) 5.7% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 5.51 (140) | 0.73 (18.5) 15.2% |
| Revolutions per mile (km) | 788.84 (490.16) | 746.31 (463.74) | -42.52 (-26.42) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.53 km/h) |
| 30 mph (48.28 km/h) | 31.71 mph (51.03 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.54 km/h) |
| 40 mph (64.37 km/h) | 42.28 mph (68.04 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.55 km/h) |
| 50 mph (80.47 km/h) | 52.85 mph (85.05 km/h) |
| 55 mph (88.51 km/h) | 58.13 mph (93.56 km/h) |
| 60 mph (96.56 km/h) | 63.42 mph (102.06 km/h) |
| 65 mph (104.61 km/h) | 68.7 mph (110.57 km/h) |
| 70 mph (112.65 km/h) | 73.99 mph (119.07 km/h) |
| 75 mph (120.7 km/h) | 79.27 mph (127.58 km/h) |
| 80 mph (128.75 km/h) | 84.56 mph (136.08 km/h) |
| 85 mph (136.79 km/h) | 89.84 mph (144.59 km/h) |
| 90 mph (144.84 km/h) | 95.13 mph (153.09 km/h) |
| 95 mph (152.89 km/h) | 100.41 mph (161.6 km/h) |
| 100 mph (160.93 km/h) | 105.7 mph (170.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1899 | 2206 | 2376 | 2481 | 2594 | 2675 | 2764 | 2869 | 3015 | 3160 | 3322 | 3451 | 3685 | 3944 | 4146 | 4275 | 4348 | 4615 | 4986 | 5795 |
Better Fuel Economy Factory Ratios Increased Power
