Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/60-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.16 (639) | 27.05 (687) | 1.89 (48) 7.5% |
| Width inches (mm) | 8.46 (215) | 10.04 (255) | 1.57 (40) 18.6% |
| Circum. inches (mm) | 79.03 (2007.48) | 84.97 (2158.27) | 5.94 (150.8) 7.5% |
| Sidewall Height inches (mm) | 5.08 (129) | 6.02 (153) | 0.94 (24) 18.6% |
| Revolutions per mile (km) | 801.67 (498.14) | 745.66 (463.33) | -56.01 (-34.8) -7% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.5 mph (34.6 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.26 km/h) |
| 30 mph (48.28 km/h) | 32.25 mph (51.91 km/h) |
| 35 mph (56.33 km/h) | 37.63 mph (60.56 km/h) |
| 40 mph (64.37 km/h) | 43 mph (69.21 km/h) |
| 45 mph (72.42 km/h) | 48.38 mph (77.86 km/h) |
| 50 mph (80.47 km/h) | 53.76 mph (86.51 km/h) |
| 55 mph (88.51 km/h) | 59.13 mph (95.16 km/h) |
| 60 mph (96.56 km/h) | 64.51 mph (103.81 km/h) |
| 65 mph (104.61 km/h) | 69.88 mph (112.47 km/h) |
| 70 mph (112.65 km/h) | 75.26 mph (121.12 km/h) |
| 75 mph (120.7 km/h) | 80.63 mph (129.77 km/h) |
| 80 mph (128.75 km/h) | 86.01 mph (138.42 km/h) |
| 85 mph (136.79 km/h) | 91.38 mph (147.07 km/h) |
| 90 mph (144.84 km/h) | 96.76 mph (155.72 km/h) |
| 95 mph (152.89 km/h) | 102.14 mph (164.37 km/h) |
| 100 mph (160.93 km/h) | 107.51 mph (173.02 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
