Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-15 | 255/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.05 (687) | 25.04 (636) | -2.01 (-51) -7.4% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 84.97 (2158.27) | 78.66 (1998.05) | -6.31 (-160.22) -7.4% |
| Sidewall Height inches (mm) | 6.02 (153) | 5.02 (127.5) | -1 (-25.5) -16.7% |
| Revolutions per mile (km) | 745.66 (463.33) | 805.46 (500.49) | 59.79 (37.15) 8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.52 mph (29.8 km/h) |
| 25 mph (40.23 km/h) | 23.14 mph (37.25 km/h) |
| 30 mph (48.28 km/h) | 27.77 mph (44.7 km/h) |
| 35 mph (56.33 km/h) | 32.4 mph (52.15 km/h) |
| 40 mph (64.37 km/h) | 37.03 mph (59.6 km/h) |
| 45 mph (72.42 km/h) | 41.66 mph (67.04 km/h) |
| 50 mph (80.47 km/h) | 46.29 mph (74.49 km/h) |
| 55 mph (88.51 km/h) | 50.92 mph (81.94 km/h) |
| 60 mph (96.56 km/h) | 55.55 mph (89.39 km/h) |
| 65 mph (104.61 km/h) | 60.17 mph (96.84 km/h) |
| 70 mph (112.65 km/h) | 64.8 mph (104.29 km/h) |
| 75 mph (120.7 km/h) | 69.43 mph (111.74 km/h) |
| 80 mph (128.75 km/h) | 74.06 mph (119.19 km/h) |
| 85 mph (136.79 km/h) | 78.69 mph (126.64 km/h) |
| 90 mph (144.84 km/h) | 83.32 mph (134.09 km/h) |
| 95 mph (152.89 km/h) | 87.95 mph (141.54 km/h) |
| 100 mph (160.93 km/h) | 92.58 mph (148.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2050 | 2381 | 2564 | 2678 | 2800 | 2887 | 2983 | 3096 | 3253 | 3410 | 3585 | 3724 | 3977 | 4256 | 4475 | 4614 | 4693 | 4980 | 5382 | 6254 |
Better Fuel Economy Factory Ratios Increased Power
