Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 275/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 30.24 (768.1) | 0.77 (19.6) 2.6% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 92.58 (2351.48) | 95 (2413.06) | 2.42 (61.58) 2.6% |
| 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) | 666.93 (414.41) | -17.46 (-10.85) -2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.52 mph (33.03 km/h) |
| 25 mph (40.23 km/h) | 25.65 mph (41.29 km/h) |
| 30 mph (48.28 km/h) | 30.79 mph (49.54 km/h) |
| 35 mph (56.33 km/h) | 35.92 mph (57.8 km/h) |
| 40 mph (64.37 km/h) | 41.05 mph (66.06 km/h) |
| 45 mph (72.42 km/h) | 46.18 mph (74.32 km/h) |
| 50 mph (80.47 km/h) | 51.31 mph (82.57 km/h) |
| 55 mph (88.51 km/h) | 56.44 mph (90.83 km/h) |
| 60 mph (96.56 km/h) | 61.57 mph (99.09 km/h) |
| 65 mph (104.61 km/h) | 66.7 mph (107.35 km/h) |
| 70 mph (112.65 km/h) | 71.83 mph (115.6 km/h) |
| 75 mph (120.7 km/h) | 76.96 mph (123.86 km/h) |
| 80 mph (128.75 km/h) | 82.09 mph (132.12 km/h) |
| 85 mph (136.79 km/h) | 87.23 mph (140.38 km/h) |
| 90 mph (144.84 km/h) | 92.36 mph (148.63 km/h) |
| 95 mph (152.89 km/h) | 97.49 mph (156.89 km/h) |
| 100 mph (160.93 km/h) | 102.62 mph (165.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1697 | 1972 | 2123 | 2217 | 2318 | 2391 | 2470 | 2564 | 2694 | 2824 | 2968 | 3084 | 3293 | 3524 | 3705 | 3821 | 3886 | 4124 | 4456 | 5178 |
Better Fuel Economy Factory Ratios Increased Power
