Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-17 | 265/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.73 (831.3) | 32.65 (829.3) | -0.08 (-2) -0.2% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 102.82 (2611.61) | 102.57 (2605.32) | -0.25 (-6.28) -0.2% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 7.82 (198.75) | -0.04 (-1) -0.5% |
| Revolutions per mile (km) | 616.23 (382.91) | 617.71 (383.83) | 1.49 (0.92) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.95 mph (32.11 km/h) |
| 25 mph (40.23 km/h) | 24.94 mph (40.14 km/h) |
| 30 mph (48.28 km/h) | 29.93 mph (48.16 km/h) |
| 35 mph (56.33 km/h) | 34.92 mph (56.19 km/h) |
| 40 mph (64.37 km/h) | 39.9 mph (64.22 km/h) |
| 45 mph (72.42 km/h) | 44.89 mph (72.25 km/h) |
| 50 mph (80.47 km/h) | 49.88 mph (80.27 km/h) |
| 55 mph (88.51 km/h) | 54.87 mph (88.3 km/h) |
| 60 mph (96.56 km/h) | 59.86 mph (96.33 km/h) |
| 65 mph (104.61 km/h) | 64.84 mph (104.36 km/h) |
| 70 mph (112.65 km/h) | 69.83 mph (112.38 km/h) |
| 75 mph (120.7 km/h) | 74.82 mph (120.41 km/h) |
| 80 mph (128.75 km/h) | 79.81 mph (128.44 km/h) |
| 85 mph (136.79 km/h) | 84.8 mph (136.47 km/h) |
| 90 mph (144.84 km/h) | 89.78 mph (144.49 km/h) |
| 95 mph (152.89 km/h) | 94.77 mph (152.52 km/h) |
| 100 mph (160.93 km/h) | 99.76 mph (160.55 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
