Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-15 | 28/8.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.19 (589) | 27.93 (709.32) | 4.74 (120.32) 20.4% |
| Width inches (mm) | 5.12 (130) | 8.5 (216) | 3.39 (86) 66.2% |
| Circum. inches (mm) | 72.85 (1850.4) | 87.73 (2228.39) | 14.88 (378) 20.4% |
| Sidewall Height inches (mm) | 4.09 (104) | 6.46 (164.16) | 2.37 (60.16) 57.8% |
| Revolutions per mile (km) | 869.73 (540.42) | 722.2 (448.75) | -147.53 (-91.67) -17% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.09 mph (38.76 km/h) |
| 25 mph (40.23 km/h) | 30.11 mph (48.45 km/h) |
| 30 mph (48.28 km/h) | 36.13 mph (58.14 km/h) |
| 35 mph (56.33 km/h) | 42.15 mph (67.83 km/h) |
| 40 mph (64.37 km/h) | 48.17 mph (77.52 km/h) |
| 45 mph (72.42 km/h) | 54.19 mph (87.21 km/h) |
| 50 mph (80.47 km/h) | 60.21 mph (96.91 km/h) |
| 55 mph (88.51 km/h) | 66.24 mph (106.6 km/h) |
| 60 mph (96.56 km/h) | 72.26 mph (116.29 km/h) |
| 65 mph (104.61 km/h) | 78.28 mph (125.98 km/h) |
| 70 mph (112.65 km/h) | 84.3 mph (135.67 km/h) |
| 75 mph (120.7 km/h) | 90.32 mph (145.36 km/h) |
| 80 mph (128.75 km/h) | 96.34 mph (155.05 km/h) |
| 85 mph (136.79 km/h) | 102.36 mph (164.74 km/h) |
| 90 mph (144.84 km/h) | 108.39 mph (174.43 km/h) |
| 95 mph (152.89 km/h) | 114.41 mph (184.12 km/h) |
| 100 mph (160.93 km/h) | 120.43 mph (193.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1838 | 2135 | 2299 | 2401 | 2510 | 2589 | 2675 | 2776 | 2917 | 3058 | 3214 | 3339 | 3566 | 3816 | 4012 | 4137 | 4208 | 4466 | 4825 | 5607 |
Better Fuel Economy Factory Ratios Increased Power
