Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 22.32 (567) | -1.18 (-30) -5% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 73.84 (1875.53) | 70.13 (1781.28) | -3.71 (-94.25) -5% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.66 (93) | -0.59 (-15) -13.9% |
| Revolutions per mile (km) | 858.07 (533.18) | 903.47 (561.39) | 45.4 (28.21) 5.3% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.99 mph (30.57 km/h) |
| 25 mph (40.23 km/h) | 23.74 mph (38.21 km/h) |
| 30 mph (48.28 km/h) | 28.49 mph (45.85 km/h) |
| 35 mph (56.33 km/h) | 33.24 mph (53.5 km/h) |
| 40 mph (64.37 km/h) | 37.99 mph (61.14 km/h) |
| 45 mph (72.42 km/h) | 42.74 mph (68.78 km/h) |
| 50 mph (80.47 km/h) | 47.49 mph (76.42 km/h) |
| 55 mph (88.51 km/h) | 52.24 mph (84.07 km/h) |
| 60 mph (96.56 km/h) | 56.98 mph (91.71 km/h) |
| 65 mph (104.61 km/h) | 61.73 mph (99.35 km/h) |
| 70 mph (112.65 km/h) | 66.48 mph (106.99 km/h) |
| 75 mph (120.7 km/h) | 71.23 mph (114.64 km/h) |
| 80 mph (128.75 km/h) | 75.98 mph (122.28 km/h) |
| 85 mph (136.79 km/h) | 80.73 mph (129.92 km/h) |
| 90 mph (144.84 km/h) | 85.48 mph (137.56 km/h) |
| 95 mph (152.89 km/h) | 90.23 mph (145.21 km/h) |
| 100 mph (160.93 km/h) | 94.97 mph (152.85 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
