Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/75-15 | 275/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.24 (793.5) | 30.16 (766) | -1.08 (-27.5) -3.5% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 98.14 (2492.85) | 94.74 (2406.46) | -3.4 (-86.39) -3.5% |
| Sidewall Height inches (mm) | 8.12 (206.25) | 7.58 (192.5) | -0.54 (-13.75) -6.7% |
| Revolutions per mile (km) | 645.58 (401.15) | 668.76 (415.55) | 23.18 (14.4) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.61 km/h) |
| 35 mph (56.33 km/h) | 33.79 mph (54.38 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.14 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.91 km/h) |
| 50 mph (80.47 km/h) | 48.27 mph (77.68 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.45 km/h) |
| 60 mph (96.56 km/h) | 57.92 mph (93.21 km/h) |
| 65 mph (104.61 km/h) | 62.75 mph (100.98 km/h) |
| 70 mph (112.65 km/h) | 67.57 mph (108.75 km/h) |
| 75 mph (120.7 km/h) | 72.4 mph (116.52 km/h) |
| 80 mph (128.75 km/h) | 77.23 mph (124.29 km/h) |
| 85 mph (136.79 km/h) | 82.05 mph (132.05 km/h) |
| 90 mph (144.84 km/h) | 86.88 mph (139.82 km/h) |
| 95 mph (152.89 km/h) | 91.71 mph (147.59 km/h) |
| 100 mph (160.93 km/h) | 96.53 mph (155.36 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
