Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 22.32 (567) | 1.88 (47.8) 9.2% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 64.22 (1631.11) | 70.13 (1781.28) | 5.91 (150.17) 9.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.66 (93) | -0.06 (-1.5) -1.6% |
| Revolutions per mile (km) | 986.65 (613.08) | 903.47 (561.39) | -83.18 (-51.68) -8.4% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.84 mph (35.15 km/h) |
| 25 mph (40.23 km/h) | 27.3 mph (43.94 km/h) |
| 30 mph (48.28 km/h) | 32.76 mph (52.73 km/h) |
| 35 mph (56.33 km/h) | 38.22 mph (61.51 km/h) |
| 40 mph (64.37 km/h) | 43.68 mph (70.3 km/h) |
| 45 mph (72.42 km/h) | 49.14 mph (79.09 km/h) |
| 50 mph (80.47 km/h) | 54.6 mph (87.88 km/h) |
| 55 mph (88.51 km/h) | 60.06 mph (96.66 km/h) |
| 60 mph (96.56 km/h) | 65.52 mph (105.45 km/h) |
| 65 mph (104.61 km/h) | 70.98 mph (114.24 km/h) |
| 70 mph (112.65 km/h) | 76.44 mph (123.03 km/h) |
| 75 mph (120.7 km/h) | 81.9 mph (131.81 km/h) |
| 80 mph (128.75 km/h) | 87.37 mph (140.6 km/h) |
| 85 mph (136.79 km/h) | 92.83 mph (149.39 km/h) |
| 90 mph (144.84 km/h) | 98.29 mph (158.18 km/h) |
| 95 mph (152.89 km/h) | 103.75 mph (166.96 km/h) |
| 100 mph (160.93 km/h) | 109.21 mph (175.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2299 | 2671 | 2876 | 3004 | 3141 | 3238 | 3346 | 3473 | 3649 | 3825 | 4021 | 4178 | 4461 | 4774 | 5019 | 5176 | 5264 | 5586 | 6037 | 7015 |
Better Fuel Economy Factory Ratios Increased Power
