Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-17 | 26/9.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.35 (643.8) | 26.01 (660.56) | 0.66 (16.76) 2.6% |
| Width inches (mm) | 10.43 (265) | 9.49 (241) | -0.94 (-24) -9.1% |
| Circum. inches (mm) | 79.63 (2022.56) | 81.7 (2075.21) | 2.07 (52.65) 2.6% |
| Sidewall Height inches (mm) | 4.17 (106) | 5.5 (139.78) | 1.33 (33.78) 31.9% |
| Revolutions per mile (km) | 795.7 (494.42) | 775.51 (481.88) | -20.19 (-12.54) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.52 mph (33.02 km/h) |
| 25 mph (40.23 km/h) | 25.65 mph (41.28 km/h) |
| 30 mph (48.28 km/h) | 30.78 mph (49.54 km/h) |
| 35 mph (56.33 km/h) | 35.91 mph (57.79 km/h) |
| 40 mph (64.37 km/h) | 41.04 mph (66.05 km/h) |
| 45 mph (72.42 km/h) | 46.17 mph (74.31 km/h) |
| 50 mph (80.47 km/h) | 51.3 mph (82.56 km/h) |
| 55 mph (88.51 km/h) | 56.43 mph (90.82 km/h) |
| 60 mph (96.56 km/h) | 61.56 mph (99.07 km/h) |
| 65 mph (104.61 km/h) | 66.69 mph (107.33 km/h) |
| 70 mph (112.65 km/h) | 71.82 mph (115.59 km/h) |
| 75 mph (120.7 km/h) | 76.95 mph (123.84 km/h) |
| 80 mph (128.75 km/h) | 82.08 mph (132.1 km/h) |
| 85 mph (136.79 km/h) | 87.21 mph (140.36 km/h) |
| 90 mph (144.84 km/h) | 92.34 mph (148.61 km/h) |
| 95 mph (152.89 km/h) | 97.47 mph (156.87 km/h) |
| 100 mph (160.93 km/h) | 102.6 mph (165.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974 | 2293 | 2469 | 2578 | 2696 | 2780 | 2872 | 2981 | 3132 | 3284 | 3452 | 3586 | 3829 | 4098 | 4308 | 4443 | 4518 | 4795 | 5182 | 6021 |
Better Fuel Economy Factory Ratios Increased Power
