Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 255/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 34.07 (865.3) | 0.37 (9.5) 1.1% |
| Width inches (mm) | 10.43 (265) | 10.04 (255) | -0.39 (-10) -3.8% |
| Circum. inches (mm) | 105.85 (2688.57) | 107.02 (2718.42) | 1.18 (29.85) 1.1% |
| Sidewall Height inches (mm) | 8.35 (212) | 8.53 (216.75) | 0.19 (4.75) 2.2% |
| Revolutions per mile (km) | 598.59 (371.94) | 592.01 (367.86) | -6.57 (-4.08) -1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.54 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.68 km/h) |
| 30 mph (48.28 km/h) | 30.33 mph (48.82 km/h) |
| 35 mph (56.33 km/h) | 35.39 mph (56.95 km/h) |
| 40 mph (64.37 km/h) | 40.44 mph (65.09 km/h) |
| 45 mph (72.42 km/h) | 45.5 mph (73.22 km/h) |
| 50 mph (80.47 km/h) | 50.56 mph (81.36 km/h) |
| 55 mph (88.51 km/h) | 55.61 mph (89.5 km/h) |
| 60 mph (96.56 km/h) | 60.67 mph (97.63 km/h) |
| 65 mph (104.61 km/h) | 65.72 mph (105.77 km/h) |
| 70 mph (112.65 km/h) | 70.78 mph (113.9 km/h) |
| 75 mph (120.7 km/h) | 75.83 mph (122.04 km/h) |
| 80 mph (128.75 km/h) | 80.89 mph (130.18 km/h) |
| 85 mph (136.79 km/h) | 85.94 mph (138.31 km/h) |
| 90 mph (144.84 km/h) | 91 mph (146.45 km/h) |
| 95 mph (152.89 km/h) | 96.05 mph (154.59 km/h) |
| 100 mph (160.93 km/h) | 101.11 mph (162.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1507 | 1750 | 1885 | 1968 | 2058 | 2122 | 2193 | 2276 | 2391 | 2507 | 2635 | 2737 | 2923 | 3129 | 3289 | 3391 | 3449 | 3661 | 3956 | 4597 |
Better Fuel Economy Factory Ratios Increased Power
