Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 22.32 (567) | -1.54 (-39) -6.4% |
| Width inches (mm) | 4.92 (125) | 6.1 (155) | 1.18 (30) 24% |
| Circum. inches (mm) | 74.95 (1903.81) | 70.13 (1781.28) | -4.82 (-122.52) -6.4% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 3.66 (93) | -0.77 (-19.5) -17.3% |
| Revolutions per mile (km) | 845.33 (525.26) | 903.47 (561.39) | 58.14 (36.13) 6.9% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.71 mph (30.12 km/h) |
| 25 mph (40.23 km/h) | 23.39 mph (37.64 km/h) |
| 30 mph (48.28 km/h) | 28.07 mph (45.17 km/h) |
| 35 mph (56.33 km/h) | 32.75 mph (52.7 km/h) |
| 40 mph (64.37 km/h) | 37.43 mph (60.23 km/h) |
| 45 mph (72.42 km/h) | 42.1 mph (67.76 km/h) |
| 50 mph (80.47 km/h) | 46.78 mph (75.29 km/h) |
| 55 mph (88.51 km/h) | 51.46 mph (82.82 km/h) |
| 60 mph (96.56 km/h) | 56.14 mph (90.35 km/h) |
| 65 mph (104.61 km/h) | 60.82 mph (97.88 km/h) |
| 70 mph (112.65 km/h) | 65.5 mph (105.4 km/h) |
| 75 mph (120.7 km/h) | 70.17 mph (112.93 km/h) |
| 80 mph (128.75 km/h) | 74.85 mph (120.46 km/h) |
| 85 mph (136.79 km/h) | 79.53 mph (127.99 km/h) |
| 90 mph (144.84 km/h) | 84.21 mph (135.52 km/h) |
| 95 mph (152.89 km/h) | 88.89 mph (143.05 km/h) |
| 100 mph (160.93 km/h) | 93.56 mph (150.58 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
