Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 280/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 29.33 (745) | 1.35 (34.24) 4.8% |
| Width inches (mm) | 9.02 (229) | 11.02 (280) | 2.01 (51) 22.3% |
| Circum. inches (mm) | 87.91 (2232.92) | 92.15 (2340.49) | 4.23 (107.57) 4.8% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 7.17 (182) | 0.67 (17.12) 10.4% |
| Revolutions per mile (km) | 720.74 (447.84) | 687.61 (427.26) | -33.12 (-20.58) -4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.74 km/h) |
| 25 mph (40.23 km/h) | 26.2 mph (42.17 km/h) |
| 30 mph (48.28 km/h) | 31.45 mph (50.61 km/h) |
| 35 mph (56.33 km/h) | 36.69 mph (59.04 km/h) |
| 40 mph (64.37 km/h) | 41.93 mph (67.48 km/h) |
| 45 mph (72.42 km/h) | 47.17 mph (75.91 km/h) |
| 50 mph (80.47 km/h) | 52.41 mph (84.34 km/h) |
| 55 mph (88.51 km/h) | 57.65 mph (92.78 km/h) |
| 60 mph (96.56 km/h) | 62.89 mph (101.21 km/h) |
| 65 mph (104.61 km/h) | 68.13 mph (109.65 km/h) |
| 70 mph (112.65 km/h) | 73.37 mph (118.08 km/h) |
| 75 mph (120.7 km/h) | 78.61 mph (126.52 km/h) |
| 80 mph (128.75 km/h) | 83.85 mph (134.95 km/h) |
| 85 mph (136.79 km/h) | 89.09 mph (143.38 km/h) |
| 90 mph (144.84 km/h) | 94.34 mph (151.82 km/h) |
| 95 mph (152.89 km/h) | 99.58 mph (160.25 km/h) |
| 100 mph (160.93 km/h) | 104.82 mph (168.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1750 | 2033 | 2189 | 2286 | 2390 | 2465 | 2547 | 2643 | 2777 | 2911 | 3060 | 3179 | 3395 | 3634 | 3820 | 3939 | 4006 | 4252 | 4594 | 5339 |
Better Fuel Economy Factory Ratios Increased Power
