Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/75-15 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.11 (688.5) | 24.02 (610.2) | -3.08 (-78.3) -11.4% |
| Width inches (mm) | 8.07 (205) | 6.89 (175) | -1.18 (-30) -14.6% |
| Circum. inches (mm) | 85.16 (2162.99) | 75.47 (1917) | -9.68 (-245.99) -11.4% |
| Sidewall Height inches (mm) | 6.05 (153.75) | 5.51 (140) | -0.54 (-13.75) -8.9% |
| Revolutions per mile (km) | 744.04 (462.32) | 839.51 (521.65) | 95.47 (59.32) 12.8% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.73 mph (28.53 km/h) |
| 25 mph (40.23 km/h) | 22.16 mph (35.66 km/h) |
| 30 mph (48.28 km/h) | 26.59 mph (42.79 km/h) |
| 35 mph (56.33 km/h) | 31.02 mph (49.92 km/h) |
| 40 mph (64.37 km/h) | 35.45 mph (57.05 km/h) |
| 45 mph (72.42 km/h) | 39.88 mph (64.18 km/h) |
| 50 mph (80.47 km/h) | 44.31 mph (71.32 km/h) |
| 55 mph (88.51 km/h) | 48.75 mph (78.45 km/h) |
| 60 mph (96.56 km/h) | 53.18 mph (85.58 km/h) |
| 65 mph (104.61 km/h) | 57.61 mph (92.71 km/h) |
| 70 mph (112.65 km/h) | 62.04 mph (99.84 km/h) |
| 75 mph (120.7 km/h) | 66.47 mph (106.97 km/h) |
| 80 mph (128.75 km/h) | 70.9 mph (114.11 km/h) |
| 85 mph (136.79 km/h) | 75.33 mph (121.24 km/h) |
| 90 mph (144.84 km/h) | 79.76 mph (128.37 km/h) |
| 95 mph (152.89 km/h) | 84.2 mph (135.5 km/h) |
| 100 mph (160.93 km/h) | 88.63 mph (142.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2136 | 2482 | 2673 | 2791 | 2918 | 3009 | 3109 | 3227 | 3391 | 3555 | 3736 | 3882 | 4146 | 4436 | 4664 | 4809 | 4891 | 5191 | 5609 | 6518 |
Better Fuel Economy Factory Ratios Increased Power
