Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-17 | 265/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.35 (643.8) | 27.43 (696.8) | 2.09 (53) 8.2% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 79.63 (2022.56) | 86.18 (2189.06) | 6.56 (166.5) 8.2% |
| Sidewall Height inches (mm) | 4.17 (106) | 5.22 (132.5) | 1.04 (26.5) 25% |
| Revolutions per mile (km) | 795.7 (494.42) | 735.18 (456.82) | -60.52 (-37.61) -7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.65 mph (34.84 km/h) |
| 25 mph (40.23 km/h) | 27.06 mph (43.55 km/h) |
| 30 mph (48.28 km/h) | 32.47 mph (52.26 km/h) |
| 35 mph (56.33 km/h) | 37.88 mph (60.96 km/h) |
| 40 mph (64.37 km/h) | 43.29 mph (69.67 km/h) |
| 45 mph (72.42 km/h) | 48.7 mph (78.38 km/h) |
| 50 mph (80.47 km/h) | 54.12 mph (87.09 km/h) |
| 55 mph (88.51 km/h) | 59.53 mph (95.8 km/h) |
| 60 mph (96.56 km/h) | 64.94 mph (104.51 km/h) |
| 65 mph (104.61 km/h) | 70.35 mph (113.22 km/h) |
| 70 mph (112.65 km/h) | 75.76 mph (121.93 km/h) |
| 75 mph (120.7 km/h) | 81.17 mph (130.64 km/h) |
| 80 mph (128.75 km/h) | 86.59 mph (139.35 km/h) |
| 85 mph (136.79 km/h) | 92 mph (148.06 km/h) |
| 90 mph (144.84 km/h) | 97.41 mph (156.77 km/h) |
| 95 mph (152.89 km/h) | 102.82 mph (165.47 km/h) |
| 100 mph (160.93 km/h) | 108.23 mph (174.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1871 | 2173 | 2341 | 2444 | 2556 | 2635 | 2723 | 2826 | 2970 | 3113 | 3272 | 3399 | 3630 | 3885 | 4084 | 4211 | 4283 | 4546 | 4912 | 5708 |
Better Fuel Economy Factory Ratios Increased Power
