Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-17 | 265/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.06 (839.8) | 32.65 (829.3) | -0.41 (-10.5) -1.3% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 103.87 (2638.31) | 102.57 (2605.32) | -1.3 (-32.99) -1.3% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.82 (198.75) | -0.21 (-5.25) -2.6% |
| Revolutions per mile (km) | 609.99 (379.03) | 617.71 (383.83) | 7.72 (4.8) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.73 km/h) |
| 30 mph (48.28 km/h) | 29.62 mph (47.68 km/h) |
| 35 mph (56.33 km/h) | 34.56 mph (55.62 km/h) |
| 40 mph (64.37 km/h) | 39.5 mph (63.57 km/h) |
| 45 mph (72.42 km/h) | 44.44 mph (71.52 km/h) |
| 50 mph (80.47 km/h) | 49.37 mph (79.46 km/h) |
| 55 mph (88.51 km/h) | 54.31 mph (87.41 km/h) |
| 60 mph (96.56 km/h) | 59.25 mph (95.35 km/h) |
| 65 mph (104.61 km/h) | 64.19 mph (103.3 km/h) |
| 70 mph (112.65 km/h) | 69.12 mph (111.25 km/h) |
| 75 mph (120.7 km/h) | 74.06 mph (119.19 km/h) |
| 80 mph (128.75 km/h) | 79 mph (127.14 km/h) |
| 85 mph (136.79 km/h) | 83.94 mph (135.08 km/h) |
| 90 mph (144.84 km/h) | 88.87 mph (143.03 km/h) |
| 95 mph (152.89 km/h) | 93.81 mph (150.98 km/h) |
| 100 mph (160.93 km/h) | 98.75 mph (158.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1572 | 1826 | 1967 | 2054 | 2147 | 2214 | 2288 | 2375 | 2495 | 2615 | 2749 | 2856 | 3050 | 3264 | 3432 | 3539 | 3599 | 3820 | 4127 | 4796 |
Better Fuel Economy Factory Ratios Increased Power
