Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-15 | 155/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.89 (556) | 22.32 (567) | 0.43 (11) 2% |
| Width inches (mm) | 4.92 (125) | 6.1 (155) | 1.18 (30) 24% |
| Circum. inches (mm) | 68.77 (1746.73) | 70.13 (1781.28) | 1.36 (34.56) 2% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.66 (93) | 0.22 (5.5) 6.3% |
| Revolutions per mile (km) | 921.35 (572.5) | 903.47 (561.39) | -17.87 (-11.11) -1.9% |
155/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.82 km/h) |
| 25 mph (40.23 km/h) | 25.49 mph (41.03 km/h) |
| 30 mph (48.28 km/h) | 30.59 mph (49.24 km/h) |
| 35 mph (56.33 km/h) | 35.69 mph (57.44 km/h) |
| 40 mph (64.37 km/h) | 40.79 mph (65.65 km/h) |
| 45 mph (72.42 km/h) | 45.89 mph (73.85 km/h) |
| 50 mph (80.47 km/h) | 50.99 mph (82.06 km/h) |
| 55 mph (88.51 km/h) | 56.09 mph (90.27 km/h) |
| 60 mph (96.56 km/h) | 61.19 mph (98.47 km/h) |
| 65 mph (104.61 km/h) | 66.29 mph (106.68 km/h) |
| 70 mph (112.65 km/h) | 71.38 mph (114.88 km/h) |
| 75 mph (120.7 km/h) | 76.48 mph (123.09 km/h) |
| 80 mph (128.75 km/h) | 81.58 mph (131.29 km/h) |
| 85 mph (136.79 km/h) | 86.68 mph (139.5 km/h) |
| 90 mph (144.84 km/h) | 91.78 mph (147.71 km/h) |
| 95 mph (152.89 km/h) | 96.88 mph (155.91 km/h) |
| 100 mph (160.93 km/h) | 101.98 mph (164.12 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
