Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 266/76-15 | 266/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.92 (785.32) | 25.47 (647) | -5.45 (-138.32) -17.6% |
| Width inches (mm) | 10.47 (266) | 10.47 (266) | 0 (0) 0% |
| Circum. inches (mm) | 97.13 (2467.16) | 80.02 (2032.61) | -17.11 (-434.55) -17.6% |
| Sidewall Height inches (mm) | 7.96 (202.16) | 5.24 (133) | -2.72 (-69.16) -34.2% |
| Revolutions per mile (km) | 652.31 (405.32) | 791.76 (491.98) | 139.45 (86.65) 21.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.48 mph (26.52 km/h) |
| 25 mph (40.23 km/h) | 20.6 mph (33.15 km/h) |
| 30 mph (48.28 km/h) | 24.72 mph (39.78 km/h) |
| 35 mph (56.33 km/h) | 28.84 mph (46.41 km/h) |
| 40 mph (64.37 km/h) | 32.95 mph (53.04 km/h) |
| 45 mph (72.42 km/h) | 37.07 mph (59.67 km/h) |
| 50 mph (80.47 km/h) | 41.19 mph (66.29 km/h) |
| 55 mph (88.51 km/h) | 45.31 mph (72.92 km/h) |
| 60 mph (96.56 km/h) | 49.43 mph (79.55 km/h) |
| 65 mph (104.61 km/h) | 53.55 mph (86.18 km/h) |
| 70 mph (112.65 km/h) | 57.67 mph (92.81 km/h) |
| 75 mph (120.7 km/h) | 61.79 mph (99.44 km/h) |
| 80 mph (128.75 km/h) | 65.91 mph (106.07 km/h) |
| 85 mph (136.79 km/h) | 70.03 mph (112.7 km/h) |
| 90 mph (144.84 km/h) | 74.15 mph (119.33 km/h) |
| 95 mph (152.89 km/h) | 78.27 mph (125.96 km/h) |
| 100 mph (160.93 km/h) | 82.39 mph (132.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 2341 | 2521 | 2632 | 2752 | 2838 | 2932 | 3044 | 3198 | 3352 | 3524 | 3661 | 3910 | 4184 | 4398 | 4536 | 4613 | 4896 | 5290 | 6148 |
Better Fuel Economy Factory Ratios Increased Power
