Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 185/35-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 18.1 (459.7) | -2.34 (-59.5) -11.5% |
| Width inches (mm) | 5.31 (135) | 7.28 (185) | 1.97 (50) 37% |
| Circum. inches (mm) | 64.22 (1631.11) | 56.86 (1444.19) | -7.36 (-186.92) -11.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 2.55 (64.75) | -1.17 (-29.75) -31.5% |
| Revolutions per mile (km) | 986.65 (613.08) | 1114.36 (692.43) | 127.7 (79.35) 12.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.71 mph (28.5 km/h) |
| 25 mph (40.23 km/h) | 22.14 mph (35.62 km/h) |
| 30 mph (48.28 km/h) | 26.56 mph (42.75 km/h) |
| 35 mph (56.33 km/h) | 30.99 mph (49.87 km/h) |
| 40 mph (64.37 km/h) | 35.42 mph (57 km/h) |
| 45 mph (72.42 km/h) | 39.84 mph (64.12 km/h) |
| 50 mph (80.47 km/h) | 44.27 mph (71.25 km/h) |
| 55 mph (88.51 km/h) | 48.7 mph (78.37 km/h) |
| 60 mph (96.56 km/h) | 53.12 mph (85.5 km/h) |
| 65 mph (104.61 km/h) | 57.55 mph (92.62 km/h) |
| 70 mph (112.65 km/h) | 61.98 mph (99.74 km/h) |
| 75 mph (120.7 km/h) | 66.41 mph (106.87 km/h) |
| 80 mph (128.75 km/h) | 70.83 mph (113.99 km/h) |
| 85 mph (136.79 km/h) | 75.26 mph (121.12 km/h) |
| 90 mph (144.84 km/h) | 79.69 mph (128.24 km/h) |
| 95 mph (152.89 km/h) | 84.11 mph (135.37 km/h) |
| 100 mph (160.93 km/h) | 88.54 mph (142.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
