Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 225/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 29.17 (741) | 1.19 (30.24) 4.3% |
| Width inches (mm) | 9.02 (229) | 8.86 (225) | -0.16 (-4) -1.7% |
| Circum. inches (mm) | 87.91 (2232.92) | 91.65 (2327.92) | 3.74 (95) 4.3% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 7.09 (180) | 0.6 (15.12) 9.2% |
| Revolutions per mile (km) | 720.74 (447.84) | 691.32 (429.57) | -29.41 (-18.28) -4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.85 mph (33.56 km/h) |
| 25 mph (40.23 km/h) | 26.06 mph (41.95 km/h) |
| 30 mph (48.28 km/h) | 31.28 mph (50.33 km/h) |
| 35 mph (56.33 km/h) | 36.49 mph (58.72 km/h) |
| 40 mph (64.37 km/h) | 41.7 mph (67.11 km/h) |
| 45 mph (72.42 km/h) | 46.91 mph (75.5 km/h) |
| 50 mph (80.47 km/h) | 52.13 mph (83.89 km/h) |
| 55 mph (88.51 km/h) | 57.34 mph (92.28 km/h) |
| 60 mph (96.56 km/h) | 62.55 mph (100.67 km/h) |
| 65 mph (104.61 km/h) | 67.77 mph (109.06 km/h) |
| 70 mph (112.65 km/h) | 72.98 mph (117.45 km/h) |
| 75 mph (120.7 km/h) | 78.19 mph (125.84 km/h) |
| 80 mph (128.75 km/h) | 83.4 mph (134.23 km/h) |
| 85 mph (136.79 km/h) | 88.62 mph (142.61 km/h) |
| 90 mph (144.84 km/h) | 93.83 mph (151 km/h) |
| 95 mph (152.89 km/h) | 99.04 mph (159.39 km/h) |
| 100 mph (160.93 km/h) | 104.25 mph (167.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2044 | 2201 | 2298 | 2403 | 2478 | 2560 | 2658 | 2792 | 2927 | 3077 | 3197 | 3414 | 3653 | 3840 | 3960 | 4028 | 4275 | 4619 | 5368 |
Better Fuel Economy Factory Ratios Increased Power
