Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.07 (738.5) | 30.16 (766) | 1.08 (27.5) 3.7% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 91.34 (2320.07) | 94.74 (2406.46) | 3.4 (86.39) 3.7% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 7.58 (192.5) | 0.54 (13.75) 7.7% |
| Revolutions per mile (km) | 693.66 (431.02) | 668.76 (415.55) | -24.9 (-15.47) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.74 mph (33.39 km/h) |
| 25 mph (40.23 km/h) | 25.93 mph (41.73 km/h) |
| 30 mph (48.28 km/h) | 31.12 mph (50.08 km/h) |
| 35 mph (56.33 km/h) | 36.3 mph (58.42 km/h) |
| 40 mph (64.37 km/h) | 41.49 mph (66.77 km/h) |
| 45 mph (72.42 km/h) | 46.68 mph (75.12 km/h) |
| 50 mph (80.47 km/h) | 51.86 mph (83.46 km/h) |
| 55 mph (88.51 km/h) | 57.05 mph (91.81 km/h) |
| 60 mph (96.56 km/h) | 62.23 mph (100.16 km/h) |
| 65 mph (104.61 km/h) | 67.42 mph (108.5 km/h) |
| 70 mph (112.65 km/h) | 72.61 mph (116.85 km/h) |
| 75 mph (120.7 km/h) | 77.79 mph (125.2 km/h) |
| 80 mph (128.75 km/h) | 82.98 mph (133.54 km/h) |
| 85 mph (136.79 km/h) | 88.17 mph (141.89 km/h) |
| 90 mph (144.84 km/h) | 93.35 mph (150.23 km/h) |
| 95 mph (152.89 km/h) | 98.54 mph (158.58 km/h) |
| 100 mph (160.93 km/h) | 103.72 mph (166.93 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
