Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 155/45-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 18.49 (469.7) | -1.95 (-49.5) -9.5% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 64.22 (1631.11) | 58.09 (1475.61) | -6.12 (-155.51) -9.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 2.75 (69.75) | -0.97 (-24.75) -26.2% |
| Revolutions per mile (km) | 986.65 (613.08) | 1090.63 (677.69) | 103.98 (64.61) 10.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.09 mph (29.12 km/h) |
| 25 mph (40.23 km/h) | 22.62 mph (36.4 km/h) |
| 30 mph (48.28 km/h) | 27.14 mph (43.68 km/h) |
| 35 mph (56.33 km/h) | 31.66 mph (50.96 km/h) |
| 40 mph (64.37 km/h) | 36.19 mph (58.24 km/h) |
| 45 mph (72.42 km/h) | 40.71 mph (65.52 km/h) |
| 50 mph (80.47 km/h) | 45.23 mph (72.8 km/h) |
| 55 mph (88.51 km/h) | 49.76 mph (80.08 km/h) |
| 60 mph (96.56 km/h) | 54.28 mph (87.35 km/h) |
| 65 mph (104.61 km/h) | 58.8 mph (94.63 km/h) |
| 70 mph (112.65 km/h) | 63.33 mph (101.91 km/h) |
| 75 mph (120.7 km/h) | 67.85 mph (109.19 km/h) |
| 80 mph (128.75 km/h) | 72.37 mph (116.47 km/h) |
| 85 mph (136.79 km/h) | 76.9 mph (123.75 km/h) |
| 90 mph (144.84 km/h) | 81.42 mph (131.03 km/h) |
| 95 mph (152.89 km/h) | 85.94 mph (138.31 km/h) |
| 100 mph (160.93 km/h) | 90.47 mph (145.59 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
