Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-13 | 225/80-23.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.5 (546.2) | 37.67 (956.9) | 16.17 (410.7) 75.2% |
| Width inches (mm) | 5.31 (135) | 8.86 (225) | 3.54 (90) 66.7% |
| Circum. inches (mm) | 67.56 (1715.94) | 118.35 (3006.19) | 50.8 (1290.25) 75.2% |
| Sidewall Height inches (mm) | 4.25 (108) | 7.09 (180) | 2.83 (72) 66.7% |
| Revolutions per mile (km) | 937.88 (582.77) | 535.34 (332.65) | -402.54 (-250.12) -42.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 35.04 mph (56.39 km/h) |
| 25 mph (40.23 km/h) | 43.8 mph (70.49 km/h) |
| 30 mph (48.28 km/h) | 52.56 mph (84.58 km/h) |
| 35 mph (56.33 km/h) | 61.32 mph (98.68 km/h) |
| 40 mph (64.37 km/h) | 70.08 mph (112.78 km/h) |
| 45 mph (72.42 km/h) | 78.84 mph (126.88 km/h) |
| 50 mph (80.47 km/h) | 87.6 mph (140.97 km/h) |
| 55 mph (88.51 km/h) | 96.36 mph (155.07 km/h) |
| 60 mph (96.56 km/h) | 105.12 mph (169.17 km/h) |
| 65 mph (104.61 km/h) | 113.87 mph (183.26 km/h) |
| 70 mph (112.65 km/h) | 122.63 mph (197.36 km/h) |
| 75 mph (120.7 km/h) | 131.39 mph (211.46 km/h) |
| 80 mph (128.75 km/h) | 140.15 mph (225.56 km/h) |
| 85 mph (136.79 km/h) | 148.91 mph (239.65 km/h) |
| 90 mph (144.84 km/h) | 157.67 mph (253.75 km/h) |
| 95 mph (152.89 km/h) | 166.43 mph (267.85 km/h) |
| 100 mph (160.93 km/h) | 175.19 mph (281.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1362 | 1583 | 1704 | 1780 | 1861 | 1919 | 1983 | 2058 | 2162 | 2267 | 2383 | 2475 | 2644 | 2829 | 2974 | 3067 | 3119 | 3310 | 3577 | 4157 |
Better Fuel Economy Factory Ratios Increased Power
