Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/60-16 | 175/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 24.96 (633.9) | 0.45 (11.5) 1.8% |
| Width inches (mm) | 7.09 (180) | 6.89 (175) | -0.2 (-5) -2.8% |
| Circum. inches (mm) | 76.98 (1955.33) | 78.4 (1991.46) | 1.42 (36.13) 1.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.48 (113.75) | 0.23 (5.75) 5.3% |
| Revolutions per mile (km) | 823.06 (511.42) | 808.12 (502.14) | -14.93 (-9.28) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.78 km/h) |
| 25 mph (40.23 km/h) | 25.46 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.55 mph (49.17 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.37 km/h) |
| 40 mph (64.37 km/h) | 40.74 mph (65.56 km/h) |
| 45 mph (72.42 km/h) | 45.83 mph (73.76 km/h) |
| 50 mph (80.47 km/h) | 50.92 mph (81.95 km/h) |
| 55 mph (88.51 km/h) | 56.02 mph (90.15 km/h) |
| 60 mph (96.56 km/h) | 61.11 mph (98.34 km/h) |
| 65 mph (104.61 km/h) | 66.2 mph (106.54 km/h) |
| 70 mph (112.65 km/h) | 71.29 mph (114.74 km/h) |
| 75 mph (120.7 km/h) | 76.39 mph (122.93 km/h) |
| 80 mph (128.75 km/h) | 81.48 mph (131.13 km/h) |
| 85 mph (136.79 km/h) | 86.57 mph (139.32 km/h) |
| 90 mph (144.84 km/h) | 91.66 mph (147.52 km/h) |
| 95 mph (152.89 km/h) | 96.76 mph (155.71 km/h) |
| 100 mph (160.93 km/h) | 101.85 mph (163.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2057 | 2389 | 2573 | 2687 | 2809 | 2897 | 2993 | 3107 | 3264 | 3422 | 3597 | 3737 | 3991 | 4271 | 4489 | 4629 | 4708 | 4997 | 5399 | 6275 |
Better Fuel Economy Factory Ratios Increased Power
