Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.06 (738) | 30.16 (766) | 1.1 (28) 3.8% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 91.28 (2318.5) | 94.74 (2406.46) | 3.46 (87.96) 3.8% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 7.58 (192.5) | 0.55 (14) 7.8% |
| Revolutions per mile (km) | 694.13 (431.31) | 668.76 (415.55) | -25.37 (-15.77) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.76 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.11 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.46 km/h) |
| 40 mph (64.37 km/h) | 41.52 mph (66.82 km/h) |
| 45 mph (72.42 km/h) | 46.71 mph (75.17 km/h) |
| 50 mph (80.47 km/h) | 51.9 mph (83.52 km/h) |
| 55 mph (88.51 km/h) | 57.09 mph (91.87 km/h) |
| 60 mph (96.56 km/h) | 62.28 mph (100.22 km/h) |
| 65 mph (104.61 km/h) | 67.47 mph (108.58 km/h) |
| 70 mph (112.65 km/h) | 72.66 mph (116.93 km/h) |
| 75 mph (120.7 km/h) | 77.85 mph (125.28 km/h) |
| 80 mph (128.75 km/h) | 83.04 mph (133.63 km/h) |
| 85 mph (136.79 km/h) | 88.22 mph (141.98 km/h) |
| 90 mph (144.84 km/h) | 93.41 mph (150.34 km/h) |
| 95 mph (152.89 km/h) | 98.6 mph (158.69 km/h) |
| 100 mph (160.93 km/h) | 103.79 mph (167.04 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
