Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 315/90-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 32.32 (821) | 7.02 (178.4) 27.8% |
| Width inches (mm) | 6.89 (175) | 12.4 (315) | 5.51 (140) 80% |
| Circum. inches (mm) | 79.48 (2018.79) | 101.55 (2579.25) | 22.07 (560.46) 27.8% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 11.16 (283.5) | 5.51 (140) 97.6% |
| Revolutions per mile (km) | 797.18 (495.35) | 623.96 (387.71) | -173.22 (-107.64) -21.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.55 mph (41.12 km/h) |
| 25 mph (40.23 km/h) | 31.94 mph (51.4 km/h) |
| 30 mph (48.28 km/h) | 38.33 mph (61.68 km/h) |
| 35 mph (56.33 km/h) | 44.72 mph (71.96 km/h) |
| 40 mph (64.37 km/h) | 51.1 mph (82.25 km/h) |
| 45 mph (72.42 km/h) | 57.49 mph (92.53 km/h) |
| 50 mph (80.47 km/h) | 63.88 mph (102.81 km/h) |
| 55 mph (88.51 km/h) | 70.27 mph (113.09 km/h) |
| 60 mph (96.56 km/h) | 76.66 mph (123.37 km/h) |
| 65 mph (104.61 km/h) | 83.05 mph (133.65 km/h) |
| 70 mph (112.65 km/h) | 89.43 mph (143.93 km/h) |
| 75 mph (120.7 km/h) | 95.82 mph (154.21 km/h) |
| 80 mph (128.75 km/h) | 102.21 mph (164.49 km/h) |
| 85 mph (136.79 km/h) | 108.6 mph (174.77 km/h) |
| 90 mph (144.84 km/h) | 114.99 mph (185.05 km/h) |
| 95 mph (152.89 km/h) | 121.37 mph (195.33 km/h) |
| 100 mph (160.93 km/h) | 127.76 mph (205.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1588 | 1845 | 1987 | 2074 | 2169 | 2237 | 2311 | 2399 | 2520 | 2642 | 2777 | 2885 | 3081 | 3297 | 3466 | 3574 | 3635 | 3858 | 4169 | 4845 |
Better Fuel Economy Factory Ratios Increased Power
