Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 275/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 31.24 (793.5) | 1.77 (45) 6% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 92.58 (2351.48) | 98.14 (2492.85) | 5.57 (141.37) 6% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8.12 (206.25) | 0.89 (22.5) 12.2% |
| Revolutions per mile (km) | 684.4 (425.26) | 645.58 (401.15) | -38.81 (-24.12) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.2 mph (34.12 km/h) |
| 25 mph (40.23 km/h) | 26.5 mph (42.65 km/h) |
| 30 mph (48.28 km/h) | 31.8 mph (51.18 km/h) |
| 35 mph (56.33 km/h) | 37.1 mph (59.71 km/h) |
| 40 mph (64.37 km/h) | 42.4 mph (68.24 km/h) |
| 45 mph (72.42 km/h) | 47.71 mph (76.77 km/h) |
| 50 mph (80.47 km/h) | 53.01 mph (85.31 km/h) |
| 55 mph (88.51 km/h) | 58.31 mph (93.84 km/h) |
| 60 mph (96.56 km/h) | 63.61 mph (102.37 km/h) |
| 65 mph (104.61 km/h) | 68.91 mph (110.9 km/h) |
| 70 mph (112.65 km/h) | 74.21 mph (119.43 km/h) |
| 75 mph (120.7 km/h) | 79.51 mph (127.96 km/h) |
| 80 mph (128.75 km/h) | 84.81 mph (136.49 km/h) |
| 85 mph (136.79 km/h) | 90.11 mph (145.02 km/h) |
| 90 mph (144.84 km/h) | 95.41 mph (153.55 km/h) |
| 95 mph (152.89 km/h) | 100.71 mph (162.08 km/h) |
| 100 mph (160.93 km/h) | 106.01 mph (170.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1643 | 1909 | 2055 | 2146 | 2244 | 2314 | 2391 | 2482 | 2608 | 2733 | 2873 | 2985 | 3188 | 3412 | 3586 | 3698 | 3761 | 3992 | 4313 | 5013 |
Better Fuel Economy Factory Ratios Increased Power
