Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 27.05 (687) | -2.46 (-62.46) -8.3% |
| Width inches (mm) | 10.51 (267) | 10.04 (255) | -0.47 (-12) -4.5% |
| Circum. inches (mm) | 92.7 (2354.5) | 84.97 (2158.27) | -7.73 (-196.22) -8.3% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 6.02 (153) | -1.23 (-31.23) -17% |
| Revolutions per mile (km) | 683.52 (424.72) | 745.66 (463.33) | 62.14 (38.61) 9.1% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.33 mph (29.5 km/h) |
| 25 mph (40.23 km/h) | 22.92 mph (36.88 km/h) |
| 30 mph (48.28 km/h) | 27.5 mph (44.26 km/h) |
| 35 mph (56.33 km/h) | 32.08 mph (51.63 km/h) |
| 40 mph (64.37 km/h) | 36.67 mph (59.01 km/h) |
| 45 mph (72.42 km/h) | 41.25 mph (66.39 km/h) |
| 50 mph (80.47 km/h) | 45.83 mph (73.76 km/h) |
| 55 mph (88.51 km/h) | 50.42 mph (81.14 km/h) |
| 60 mph (96.56 km/h) | 55 mph (88.51 km/h) |
| 65 mph (104.61 km/h) | 59.58 mph (95.89 km/h) |
| 70 mph (112.65 km/h) | 64.17 mph (103.27 km/h) |
| 75 mph (120.7 km/h) | 68.75 mph (110.64 km/h) |
| 80 mph (128.75 km/h) | 73.33 mph (118.02 km/h) |
| 85 mph (136.79 km/h) | 77.92 mph (125.39 km/h) |
| 90 mph (144.84 km/h) | 82.5 mph (132.77 km/h) |
| 95 mph (152.89 km/h) | 87.08 mph (140.15 km/h) |
| 100 mph (160.93 km/h) | 91.67 mph (147.52 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
