Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 315/75-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 28.6 (726.5) | 3.3 (83.9) 13.1% |
| Width inches (mm) | 6.89 (175) | 12.4 (315) | 5.51 (140) 80% |
| Circum. inches (mm) | 79.48 (2018.79) | 89.86 (2282.37) | 10.38 (263.58) 13.1% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 9.3 (236.25) | 3.65 (92.75) 64.6% |
| Revolutions per mile (km) | 797.18 (495.35) | 705.12 (438.14) | -92.06 (-57.21) -11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.61 mph (36.39 km/h) |
| 25 mph (40.23 km/h) | 28.26 mph (45.49 km/h) |
| 30 mph (48.28 km/h) | 33.92 mph (54.58 km/h) |
| 35 mph (56.33 km/h) | 39.57 mph (63.68 km/h) |
| 40 mph (64.37 km/h) | 45.22 mph (72.78 km/h) |
| 45 mph (72.42 km/h) | 50.88 mph (81.88 km/h) |
| 50 mph (80.47 km/h) | 56.53 mph (90.97 km/h) |
| 55 mph (88.51 km/h) | 62.18 mph (100.07 km/h) |
| 60 mph (96.56 km/h) | 67.83 mph (109.17 km/h) |
| 65 mph (104.61 km/h) | 73.49 mph (118.27 km/h) |
| 70 mph (112.65 km/h) | 79.14 mph (127.36 km/h) |
| 75 mph (120.7 km/h) | 84.79 mph (136.46 km/h) |
| 80 mph (128.75 km/h) | 90.45 mph (145.56 km/h) |
| 85 mph (136.79 km/h) | 96.1 mph (154.65 km/h) |
| 90 mph (144.84 km/h) | 101.75 mph (163.75 km/h) |
| 95 mph (152.89 km/h) | 107.4 mph (172.85 km/h) |
| 100 mph (160.93 km/h) | 113.06 mph (181.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1794 | 2085 | 2245 | 2344 | 2451 | 2527 | 2611 | 2711 | 2848 | 2986 | 3138 | 3260 | 3482 | 3726 | 3917 | 4039 | 4108 | 4360 | 4711 | 5475 |
Better Fuel Economy Factory Ratios Increased Power
