Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-16 | 175/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.8 (782.4) | 27.02 (686.4) | -3.78 (-96) -12.3% |
| Width inches (mm) | 9.25 (235) | 6.89 (175) | -2.36 (-60) -25.5% |
| Circum. inches (mm) | 96.77 (2457.98) | 84.9 (2156.39) | -11.87 (-301.59) -12.3% |
| Sidewall Height inches (mm) | 7.4 (188) | 5.51 (140) | -1.89 (-48) -25.5% |
| Revolutions per mile (km) | 654.74 (406.84) | 746.31 (463.74) | 91.57 (56.9) 14% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.55 mph (28.24 km/h) |
| 25 mph (40.23 km/h) | 21.93 mph (35.3 km/h) |
| 30 mph (48.28 km/h) | 26.32 mph (42.36 km/h) |
| 35 mph (56.33 km/h) | 30.71 mph (49.42 km/h) |
| 40 mph (64.37 km/h) | 35.09 mph (56.48 km/h) |
| 45 mph (72.42 km/h) | 39.48 mph (63.53 km/h) |
| 50 mph (80.47 km/h) | 43.87 mph (70.59 km/h) |
| 55 mph (88.51 km/h) | 48.25 mph (77.65 km/h) |
| 60 mph (96.56 km/h) | 52.64 mph (84.71 km/h) |
| 65 mph (104.61 km/h) | 57.02 mph (91.77 km/h) |
| 70 mph (112.65 km/h) | 61.41 mph (98.83 km/h) |
| 75 mph (120.7 km/h) | 65.8 mph (105.89 km/h) |
| 80 mph (128.75 km/h) | 70.18 mph (112.95 km/h) |
| 85 mph (136.79 km/h) | 74.57 mph (120.01 km/h) |
| 90 mph (144.84 km/h) | 78.96 mph (127.07 km/h) |
| 95 mph (152.89 km/h) | 83.34 mph (134.13 km/h) |
| 100 mph (160.93 km/h) | 87.73 mph (141.19 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
