Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 27.05 (687) | 4.61 (117) 20.5% |
| Width inches (mm) | 5.31 (135) | 10.04 (255) | 4.72 (120) 88.9% |
| Circum. inches (mm) | 70.5 (1790.71) | 84.97 (2158.27) | 14.47 (367.57) 20.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 6.02 (153) | 2.3 (58.5) 61.9% |
| Revolutions per mile (km) | 898.72 (558.44) | 745.66 (463.33) | -153.06 (-95.11) -17% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.11 mph (38.79 km/h) |
| 25 mph (40.23 km/h) | 30.13 mph (48.49 km/h) |
| 30 mph (48.28 km/h) | 36.16 mph (58.19 km/h) |
| 35 mph (56.33 km/h) | 42.18 mph (67.89 km/h) |
| 40 mph (64.37 km/h) | 48.21 mph (77.59 km/h) |
| 45 mph (72.42 km/h) | 54.24 mph (87.29 km/h) |
| 50 mph (80.47 km/h) | 60.26 mph (96.98 km/h) |
| 55 mph (88.51 km/h) | 66.29 mph (106.68 km/h) |
| 60 mph (96.56 km/h) | 72.32 mph (116.38 km/h) |
| 65 mph (104.61 km/h) | 78.34 mph (126.08 km/h) |
| 70 mph (112.65 km/h) | 84.37 mph (135.78 km/h) |
| 75 mph (120.7 km/h) | 90.39 mph (145.48 km/h) |
| 80 mph (128.75 km/h) | 96.42 mph (155.17 km/h) |
| 85 mph (136.79 km/h) | 102.45 mph (164.87 km/h) |
| 90 mph (144.84 km/h) | 108.47 mph (174.57 km/h) |
| 95 mph (152.89 km/h) | 114.5 mph (184.27 km/h) |
| 100 mph (160.93 km/h) | 120.53 mph (193.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2204 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3157 | 3319 | 3448 | 3682 | 3940 | 4142 | 4272 | 4344 | 4611 | 4982 | 5790 |
Better Fuel Economy Factory Ratios Increased Power
