Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/55-14 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.71 (526.1) | 22.32 (567) | 1.61 (40.9) 7.8% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 65.07 (1652.79) | 70.13 (1781.28) | 5.06 (128.49) 7.8% |
| Sidewall Height inches (mm) | 3.36 (85.25) | 3.66 (93) | 0.31 (7.75) 9.1% |
| Revolutions per mile (km) | 973.71 (605.04) | 903.47 (561.39) | -70.24 (-43.64) -7.2% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.03 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.71 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.38 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.05 km/h) |
| 50 mph (80.47 km/h) | 53.89 mph (86.72 km/h) |
| 55 mph (88.51 km/h) | 59.28 mph (95.4 km/h) |
| 60 mph (96.56 km/h) | 64.66 mph (104.07 km/h) |
| 65 mph (104.61 km/h) | 70.05 mph (112.74 km/h) |
| 70 mph (112.65 km/h) | 75.44 mph (121.41 km/h) |
| 75 mph (120.7 km/h) | 80.83 mph (130.08 km/h) |
| 80 mph (128.75 km/h) | 86.22 mph (138.76 km/h) |
| 85 mph (136.79 km/h) | 91.61 mph (147.43 km/h) |
| 90 mph (144.84 km/h) | 97 mph (156.1 km/h) |
| 95 mph (152.89 km/h) | 102.39 mph (164.77 km/h) |
| 100 mph (160.93 km/h) | 107.77 mph (173.45 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
