Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/75-15 | 285/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.24 (793.5) | 31.83 (808.5) | 0.59 (15) 1.9% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 98.14 (2492.85) | 100 (2539.98) | 1.86 (47.12) 1.9% |
| Sidewall Height inches (mm) | 8.12 (206.25) | 8.42 (213.75) | 0.3 (7.5) 3.6% |
| Revolutions per mile (km) | 645.58 (401.15) | 633.61 (393.7) | -11.98 (-7.44) -1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.8 km/h) |
| 25 mph (40.23 km/h) | 25.47 mph (40.99 km/h) |
| 30 mph (48.28 km/h) | 30.57 mph (49.19 km/h) |
| 35 mph (56.33 km/h) | 35.66 mph (57.39 km/h) |
| 40 mph (64.37 km/h) | 40.76 mph (65.59 km/h) |
| 45 mph (72.42 km/h) | 45.85 mph (73.79 km/h) |
| 50 mph (80.47 km/h) | 50.95 mph (81.99 km/h) |
| 55 mph (88.51 km/h) | 56.04 mph (90.19 km/h) |
| 60 mph (96.56 km/h) | 61.13 mph (98.39 km/h) |
| 65 mph (104.61 km/h) | 66.23 mph (106.59 km/h) |
| 70 mph (112.65 km/h) | 71.32 mph (114.78 km/h) |
| 75 mph (120.7 km/h) | 76.42 mph (122.98 km/h) |
| 80 mph (128.75 km/h) | 81.51 mph (131.18 km/h) |
| 85 mph (136.79 km/h) | 86.61 mph (139.38 km/h) |
| 90 mph (144.84 km/h) | 91.7 mph (147.58 km/h) |
| 95 mph (152.89 km/h) | 96.8 mph (155.78 km/h) |
| 100 mph (160.93 km/h) | 101.89 mph (163.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1612 | 1873 | 2017 | 2106 | 2202 | 2271 | 2347 | 2436 | 2559 | 2683 | 2820 | 2930 | 3129 | 3348 | 3520 | 3630 | 3691 | 3918 | 4233 | 4920 |
Better Fuel Economy Factory Ratios Increased Power
