Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 22.32 (567) | -0.12 (-3) -0.5% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 70.5 (1790.71) | 70.13 (1781.28) | -0.37 (-9.42) -0.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.66 (93) | -0.06 (-1.5) -1.6% |
| Revolutions per mile (km) | 898.72 (558.44) | 903.47 (561.39) | 4.76 (2.95) 0.5% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.89 mph (32.02 km/h) |
| 25 mph (40.23 km/h) | 24.87 mph (40.02 km/h) |
| 30 mph (48.28 km/h) | 29.84 mph (48.03 km/h) |
| 35 mph (56.33 km/h) | 34.82 mph (56.03 km/h) |
| 40 mph (64.37 km/h) | 39.79 mph (64.04 km/h) |
| 45 mph (72.42 km/h) | 44.76 mph (72.04 km/h) |
| 50 mph (80.47 km/h) | 49.74 mph (80.04 km/h) |
| 55 mph (88.51 km/h) | 54.71 mph (88.05 km/h) |
| 60 mph (96.56 km/h) | 59.68 mph (96.05 km/h) |
| 65 mph (104.61 km/h) | 64.66 mph (104.06 km/h) |
| 70 mph (112.65 km/h) | 69.63 mph (112.06 km/h) |
| 75 mph (120.7 km/h) | 74.61 mph (120.07 km/h) |
| 80 mph (128.75 km/h) | 79.58 mph (128.07 km/h) |
| 85 mph (136.79 km/h) | 84.55 mph (136.07 km/h) |
| 90 mph (144.84 km/h) | 89.53 mph (144.08 km/h) |
| 95 mph (152.89 km/h) | 94.5 mph (152.08 km/h) |
| 100 mph (160.93 km/h) | 99.47 mph (160.09 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
