Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.95 (710) | 30.16 (766) | 2.2 (56) 7.9% |
| Width inches (mm) | 9.25 (235) | 10.83 (275) | 1.57 (40) 17% |
| Circum. inches (mm) | 87.82 (2230.53) | 94.74 (2406.46) | 6.93 (175.93) 7.9% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 7.58 (192.5) | 1.1 (28) 17% |
| Revolutions per mile (km) | 721.51 (448.32) | 668.76 (415.55) | -52.75 (-32.78) -7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.58 mph (34.73 km/h) |
| 25 mph (40.23 km/h) | 26.97 mph (43.41 km/h) |
| 30 mph (48.28 km/h) | 32.37 mph (52.09 km/h) |
| 35 mph (56.33 km/h) | 37.76 mph (60.77 km/h) |
| 40 mph (64.37 km/h) | 43.15 mph (69.45 km/h) |
| 45 mph (72.42 km/h) | 48.55 mph (78.13 km/h) |
| 50 mph (80.47 km/h) | 53.94 mph (86.81 km/h) |
| 55 mph (88.51 km/h) | 59.34 mph (95.5 km/h) |
| 60 mph (96.56 km/h) | 64.73 mph (104.18 km/h) |
| 65 mph (104.61 km/h) | 70.13 mph (112.86 km/h) |
| 70 mph (112.65 km/h) | 75.52 mph (121.54 km/h) |
| 75 mph (120.7 km/h) | 80.92 mph (130.22 km/h) |
| 80 mph (128.75 km/h) | 86.31 mph (138.9 km/h) |
| 85 mph (136.79 km/h) | 91.7 mph (147.58 km/h) |
| 90 mph (144.84 km/h) | 97.1 mph (156.27 km/h) |
| 95 mph (152.89 km/h) | 102.49 mph (164.95 km/h) |
| 100 mph (160.93 km/h) | 107.89 mph (173.63 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
