Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 30.16 (766) | 0.65 (16.54) 2.2% |
| Width inches (mm) | 10.51 (267) | 10.83 (275) | 0.31 (8) 3% |
| Circum. inches (mm) | 92.7 (2354.5) | 94.74 (2406.46) | 2.05 (51.96) 2.2% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 7.58 (192.5) | 0.33 (8.27) 4.5% |
| Revolutions per mile (km) | 683.52 (424.72) | 668.76 (415.55) | -14.76 (-9.17) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.12 km/h) |
| 30 mph (48.28 km/h) | 30.66 mph (49.35 km/h) |
| 35 mph (56.33 km/h) | 35.77 mph (57.57 km/h) |
| 40 mph (64.37 km/h) | 40.88 mph (65.79 km/h) |
| 45 mph (72.42 km/h) | 45.99 mph (74.02 km/h) |
| 50 mph (80.47 km/h) | 51.1 mph (82.24 km/h) |
| 55 mph (88.51 km/h) | 56.21 mph (90.47 km/h) |
| 60 mph (96.56 km/h) | 61.32 mph (98.69 km/h) |
| 65 mph (104.61 km/h) | 66.43 mph (106.92 km/h) |
| 70 mph (112.65 km/h) | 71.54 mph (115.14 km/h) |
| 75 mph (120.7 km/h) | 76.66 mph (123.36 km/h) |
| 80 mph (128.75 km/h) | 81.77 mph (131.59 km/h) |
| 85 mph (136.79 km/h) | 86.88 mph (139.81 km/h) |
| 90 mph (144.84 km/h) | 91.99 mph (148.04 km/h) |
| 95 mph (152.89 km/h) | 97.1 mph (156.26 km/h) |
| 100 mph (160.93 km/h) | 102.21 mph (164.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1702 | 1977 | 2129 | 2223 | 2325 | 2397 | 2477 | 2571 | 2701 | 2832 | 2976 | 3092 | 3302 | 3534 | 3715 | 3831 | 3896 | 4135 | 4468 | 5193 |
Better Fuel Economy Factory Ratios Increased Power
