Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-16 | 315/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.57 (649.4) | 32.12 (815.9) | 6.56 (166.5) 25.6% |
| Width inches (mm) | 5.31 (135) | 12.4 (315) | 7.09 (180) 133.3% |
| Circum. inches (mm) | 80.32 (2040.15) | 100.91 (2563.23) | 20.59 (523.08) 25.6% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 8.06 (204.75) | 3.28 (83.25) 68.5% |
| Revolutions per mile (km) | 788.84 (490.16) | 627.86 (390.13) | -160.98 (-100.03) -20.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.13 mph (40.44 km/h) |
| 25 mph (40.23 km/h) | 31.41 mph (50.55 km/h) |
| 30 mph (48.28 km/h) | 37.69 mph (60.66 km/h) |
| 35 mph (56.33 km/h) | 43.97 mph (70.77 km/h) |
| 40 mph (64.37 km/h) | 50.26 mph (80.88 km/h) |
| 45 mph (72.42 km/h) | 56.54 mph (90.99 km/h) |
| 50 mph (80.47 km/h) | 62.82 mph (101.1 km/h) |
| 55 mph (88.51 km/h) | 69.1 mph (111.21 km/h) |
| 60 mph (96.56 km/h) | 75.38 mph (121.32 km/h) |
| 65 mph (104.61 km/h) | 81.67 mph (131.43 km/h) |
| 70 mph (112.65 km/h) | 87.95 mph (141.54 km/h) |
| 75 mph (120.7 km/h) | 94.23 mph (151.65 km/h) |
| 80 mph (128.75 km/h) | 100.51 mph (161.76 km/h) |
| 85 mph (136.79 km/h) | 106.79 mph (171.87 km/h) |
| 90 mph (144.84 km/h) | 113.08 mph (181.98 km/h) |
| 95 mph (152.89 km/h) | 119.36 mph (192.09 km/h) |
| 100 mph (160.93 km/h) | 125.64 mph (202.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1598 | 1856 | 1999 | 2087 | 2183 | 2250 | 2325 | 2414 | 2536 | 2658 | 2794 | 2903 | 3100 | 3318 | 3488 | 3597 | 3658 | 3882 | 4195 | 4875 |
Better Fuel Economy Factory Ratios Increased Power
