Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 275/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 25.83 (656) | -3.68 (-93.46) -12.5% |
| Width inches (mm) | 10.51 (267) | 10.83 (275) | 0.31 (8) 3% |
| Circum. inches (mm) | 92.7 (2354.5) | 81.14 (2060.88) | -11.56 (-293.61) -12.5% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 5.41 (137.5) | -1.84 (-46.73) -25.4% |
| Revolutions per mile (km) | 683.52 (424.72) | 780.9 (485.23) | 97.38 (60.51) 14.2% |
275/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.51 mph (28.17 km/h) |
| 25 mph (40.23 km/h) | 21.88 mph (35.22 km/h) |
| 30 mph (48.28 km/h) | 26.26 mph (42.26 km/h) |
| 35 mph (56.33 km/h) | 30.64 mph (49.3 km/h) |
| 40 mph (64.37 km/h) | 35.01 mph (56.35 km/h) |
| 45 mph (72.42 km/h) | 39.39 mph (63.39 km/h) |
| 50 mph (80.47 km/h) | 43.76 mph (70.43 km/h) |
| 55 mph (88.51 km/h) | 48.14 mph (77.48 km/h) |
| 60 mph (96.56 km/h) | 52.52 mph (84.52 km/h) |
| 65 mph (104.61 km/h) | 56.89 mph (91.56 km/h) |
| 70 mph (112.65 km/h) | 61.27 mph (98.61 km/h) |
| 75 mph (120.7 km/h) | 65.65 mph (105.65 km/h) |
| 80 mph (128.75 km/h) | 70.02 mph (112.69 km/h) |
| 85 mph (136.79 km/h) | 74.4 mph (119.74 km/h) |
| 90 mph (144.84 km/h) | 78.78 mph (126.78 km/h) |
| 95 mph (152.89 km/h) | 83.15 mph (133.82 km/h) |
| 100 mph (160.93 km/h) | 87.53 mph (140.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | 2309 | 2486 | 2596 | 2714 | 2799 | 2892 | 3002 | 3154 | 3306 | 3476 | 3611 | 3856 | 4127 | 4338 | 4473 | 4550 | 4829 | 5218 | 6063 |
Better Fuel Economy Factory Ratios Increased Power
