Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 260/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 31.26 (794) | 5.61 (142.4) 21.9% |
| Width inches (mm) | 6.5 (165) | 10.24 (260) | 3.74 (95) 57.6% |
| Circum. inches (mm) | 80.59 (2047.06) | 98.21 (2494.42) | 17.61 (447.36) 21.9% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 5.63 (143) | 0.3 (7.7) 5.7% |
| Revolutions per mile (km) | 786.17 (488.5) | 645.18 (400.89) | -141 (-87.61) -17.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.37 mph (39.22 km/h) |
| 25 mph (40.23 km/h) | 30.46 mph (49.03 km/h) |
| 30 mph (48.28 km/h) | 36.56 mph (58.83 km/h) |
| 35 mph (56.33 km/h) | 42.65 mph (68.64 km/h) |
| 40 mph (64.37 km/h) | 48.74 mph (78.44 km/h) |
| 45 mph (72.42 km/h) | 54.83 mph (88.25 km/h) |
| 50 mph (80.47 km/h) | 60.93 mph (98.05 km/h) |
| 55 mph (88.51 km/h) | 67.02 mph (107.86 km/h) |
| 60 mph (96.56 km/h) | 73.11 mph (117.66 km/h) |
| 65 mph (104.61 km/h) | 79.21 mph (127.47 km/h) |
| 70 mph (112.65 km/h) | 85.3 mph (137.27 km/h) |
| 75 mph (120.7 km/h) | 91.39 mph (147.08 km/h) |
| 80 mph (128.75 km/h) | 97.48 mph (156.88 km/h) |
| 85 mph (136.79 km/h) | 103.58 mph (166.69 km/h) |
| 90 mph (144.84 km/h) | 109.67 mph (176.49 km/h) |
| 95 mph (152.89 km/h) | 115.76 mph (186.3 km/h) |
| 100 mph (160.93 km/h) | 121.85 mph (196.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1642 | 1907 | 2054 | 2145 | 2243 | 2313 | 2389 | 2480 | 2606 | 2732 | 2871 | 2983 | 3186 | 3409 | 3584 | 3696 | 3759 | 3989 | 4311 | 5009 |
Better Fuel Economy Factory Ratios Increased Power
