Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 26/7.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 26.02 (661) | 1.74 (44.2) 7.2% |
| Width inches (mm) | 7.28 (185) | 7.52 (191) | 0.24 (6) 3.2% |
| Circum. inches (mm) | 76.29 (1937.73) | 81.76 (2076.59) | 5.47 (138.86) 7.2% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 4.51 (114.6) | 0.87 (22.1) 23.9% |
| Revolutions per mile (km) | 830.53 (516.07) | 774.99 (481.56) | -55.54 (-34.51) -6.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.43 mph (34.49 km/h) |
| 25 mph (40.23 km/h) | 26.79 mph (43.12 km/h) |
| 30 mph (48.28 km/h) | 32.15 mph (51.74 km/h) |
| 35 mph (56.33 km/h) | 37.51 mph (60.36 km/h) |
| 40 mph (64.37 km/h) | 42.87 mph (68.99 km/h) |
| 45 mph (72.42 km/h) | 48.22 mph (77.61 km/h) |
| 50 mph (80.47 km/h) | 53.58 mph (86.23 km/h) |
| 55 mph (88.51 km/h) | 58.94 mph (94.86 km/h) |
| 60 mph (96.56 km/h) | 64.3 mph (103.48 km/h) |
| 65 mph (104.61 km/h) | 69.66 mph (112.1 km/h) |
| 70 mph (112.65 km/h) | 75.02 mph (120.73 km/h) |
| 75 mph (120.7 km/h) | 80.37 mph (129.35 km/h) |
| 80 mph (128.75 km/h) | 85.73 mph (137.97 km/h) |
| 85 mph (136.79 km/h) | 91.09 mph (146.6 km/h) |
| 90 mph (144.84 km/h) | 96.45 mph (155.22 km/h) |
| 95 mph (152.89 km/h) | 101.81 mph (163.84 km/h) |
| 100 mph (160.93 km/h) | 107.17 mph (172.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1972 | 2291 | 2467 | 2576 | 2694 | 2778 | 2870 | 2979 | 3130 | 3281 | 3449 | 3584 | 3827 | 4095 | 4305 | 4440 | 4515 | 4792 | 5178 | 6017 |
Better Fuel Economy Factory Ratios Increased Power
