Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 290/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 32.98 (837.8) | 1.65 (42) 5.3% |
| Width inches (mm) | 10.24 (260) | 11.42 (290) | 1.18 (30) 11.5% |
| Circum. inches (mm) | 98.43 (2500.08) | 103.62 (2632.03) | 5.19 (131.95) 5.3% |
| Sidewall Height inches (mm) | 7.17 (182) | 7.99 (203) | 0.83 (21) 11.5% |
| Revolutions per mile (km) | 643.72 (399.99) | 611.45 (379.93) | -32.27 (-20.05) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.89 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.36 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.83 km/h) |
| 35 mph (56.33 km/h) | 36.85 mph (59.3 km/h) |
| 40 mph (64.37 km/h) | 42.11 mph (67.77 km/h) |
| 45 mph (72.42 km/h) | 47.37 mph (76.24 km/h) |
| 50 mph (80.47 km/h) | 52.64 mph (84.71 km/h) |
| 55 mph (88.51 km/h) | 57.9 mph (93.19 km/h) |
| 60 mph (96.56 km/h) | 63.17 mph (101.66 km/h) |
| 65 mph (104.61 km/h) | 68.43 mph (110.13 km/h) |
| 70 mph (112.65 km/h) | 73.69 mph (118.6 km/h) |
| 75 mph (120.7 km/h) | 78.96 mph (127.07 km/h) |
| 80 mph (128.75 km/h) | 84.22 mph (135.54 km/h) |
| 85 mph (136.79 km/h) | 89.49 mph (144.01 km/h) |
| 90 mph (144.84 km/h) | 94.75 mph (152.49 km/h) |
| 95 mph (152.89 km/h) | 100.01 mph (160.96 km/h) |
| 100 mph (160.93 km/h) | 105.28 mph (169.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1808 | 1947 | 2033 | 2125 | 2192 | 2264 | 2351 | 2470 | 2589 | 2721 | 2827 | 3019 | 3231 | 3397 | 3503 | 3562 | 3781 | 4085 | 4748 |
Better Fuel Economy Factory Ratios Increased Power
