Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-15 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.13 (613) | 22.32 (567) | -1.81 (-46) -7.5% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 75.82 (1925.8) | 70.13 (1781.28) | -5.69 (-144.51) -7.5% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.66 (93) | -0.91 (-23) -19.8% |
| Revolutions per mile (km) | 835.68 (519.26) | 903.47 (561.39) | 67.8 (42.13) 8.1% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.5 mph (29.77 km/h) |
| 25 mph (40.23 km/h) | 23.12 mph (37.21 km/h) |
| 30 mph (48.28 km/h) | 27.75 mph (44.66 km/h) |
| 35 mph (56.33 km/h) | 32.37 mph (52.1 km/h) |
| 40 mph (64.37 km/h) | 37 mph (59.54 km/h) |
| 45 mph (72.42 km/h) | 41.62 mph (66.99 km/h) |
| 50 mph (80.47 km/h) | 46.25 mph (74.43 km/h) |
| 55 mph (88.51 km/h) | 50.87 mph (81.87 km/h) |
| 60 mph (96.56 km/h) | 55.5 mph (89.31 km/h) |
| 65 mph (104.61 km/h) | 60.12 mph (96.76 km/h) |
| 70 mph (112.65 km/h) | 64.75 mph (104.2 km/h) |
| 75 mph (120.7 km/h) | 69.37 mph (111.64 km/h) |
| 80 mph (128.75 km/h) | 74 mph (119.09 km/h) |
| 85 mph (136.79 km/h) | 78.62 mph (126.53 km/h) |
| 90 mph (144.84 km/h) | 83.25 mph (133.97 km/h) |
| 95 mph (152.89 km/h) | 87.87 mph (141.42 km/h) |
| 100 mph (160.93 km/h) | 92.5 mph (148.86 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
