Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/75-15 | 32/17.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 32.17 (817.1) | 9.2 (233.6) 40% |
| Width inches (mm) | 5.31 (135) | 17.52 (445) | 12.2 (310) 229.6% |
| Circum. inches (mm) | 72.17 (1833.12) | 101.06 (2567) | 28.89 (733.88) 40% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 8.58 (218.05) | 4.6 (116.8) 115.4% |
| Revolutions per mile (km) | 877.93 (545.52) | 626.94 (389.56) | -250.99 (-155.96) -28.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.01 mph (45.07 km/h) |
| 25 mph (40.23 km/h) | 35.01 mph (56.34 km/h) |
| 30 mph (48.28 km/h) | 42.01 mph (67.61 km/h) |
| 35 mph (56.33 km/h) | 49.01 mph (78.88 km/h) |
| 40 mph (64.37 km/h) | 56.01 mph (90.15 km/h) |
| 45 mph (72.42 km/h) | 63.02 mph (101.41 km/h) |
| 50 mph (80.47 km/h) | 70.02 mph (112.68 km/h) |
| 55 mph (88.51 km/h) | 77.02 mph (123.95 km/h) |
| 60 mph (96.56 km/h) | 84.02 mph (135.22 km/h) |
| 65 mph (104.61 km/h) | 91.02 mph (146.49 km/h) |
| 70 mph (112.65 km/h) | 98.02 mph (157.75 km/h) |
| 75 mph (120.7 km/h) | 105.03 mph (169.02 km/h) |
| 80 mph (128.75 km/h) | 112.03 mph (180.29 km/h) |
| 85 mph (136.79 km/h) | 119.03 mph (191.56 km/h) |
| 90 mph (144.84 km/h) | 126.03 mph (202.83 km/h) |
| 95 mph (152.89 km/h) | 133.03 mph (214.1 km/h) |
| 100 mph (160.93 km/h) | 140.03 mph (225.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1595 | 1853 | 1996 | 2084 | 2179 | 2247 | 2322 | 2410 | 2532 | 2655 | 2790 | 2899 | 3096 | 3313 | 3483 | 3591 | 3653 | 3877 | 4189 | 4868 |
Better Fuel Economy Factory Ratios Increased Power
