Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-13 | 175/105-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.71 (627.7) | 27.47 (697.7) | 2.76 (70) 11.2% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 77.64 (1971.98) | 86.29 (2191.89) | 8.66 (219.91) 11.2% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 7.23 (183.75) | 1.38 (35) 23.5% |
| Revolutions per mile (km) | 816.11 (507.1) | 734.23 (456.23) | -81.88 (-50.88) -10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.23 mph (35.78 km/h) |
| 25 mph (40.23 km/h) | 27.79 mph (44.72 km/h) |
| 30 mph (48.28 km/h) | 33.35 mph (53.66 km/h) |
| 35 mph (56.33 km/h) | 38.9 mph (62.61 km/h) |
| 40 mph (64.37 km/h) | 44.46 mph (71.55 km/h) |
| 45 mph (72.42 km/h) | 50.02 mph (80.5 km/h) |
| 50 mph (80.47 km/h) | 55.58 mph (89.44 km/h) |
| 55 mph (88.51 km/h) | 61.13 mph (98.39 km/h) |
| 60 mph (96.56 km/h) | 66.69 mph (107.33 km/h) |
| 65 mph (104.61 km/h) | 72.25 mph (116.27 km/h) |
| 70 mph (112.65 km/h) | 77.81 mph (125.22 km/h) |
| 75 mph (120.7 km/h) | 83.36 mph (134.16 km/h) |
| 80 mph (128.75 km/h) | 88.92 mph (143.11 km/h) |
| 85 mph (136.79 km/h) | 94.48 mph (152.05 km/h) |
| 90 mph (144.84 km/h) | 100.04 mph (160.99 km/h) |
| 95 mph (152.89 km/h) | 105.59 mph (169.94 km/h) |
| 100 mph (160.93 km/h) | 111.15 mph (178.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1868 | 2171 | 2338 | 2441 | 2552 | 2632 | 2719 | 2823 | 2966 | 3109 | 3268 | 3395 | 3626 | 3880 | 4079 | 4206 | 4278 | 4540 | 4906 | 5701 |
Better Fuel Economy Factory Ratios Increased Power
