Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/65-17 | 275/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.59 (802.3) | 31.07 (789.3) | -0.51 (-13) -1.6% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 99.23 (2520.5) | 97.62 (2479.66) | -1.61 (-40.84) -1.6% |
| Sidewall Height inches (mm) | 7.29 (185.25) | 7.04 (178.75) | -0.26 (-6.5) -3.5% |
| Revolutions per mile (km) | 638.5 (396.75) | 649.02 (403.28) | 10.52 (6.53) 1.6% |
275/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.58 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.41 km/h) |
| 40 mph (64.37 km/h) | 39.35 mph (63.33 km/h) |
| 45 mph (72.42 km/h) | 44.27 mph (71.25 km/h) |
| 50 mph (80.47 km/h) | 49.19 mph (79.16 km/h) |
| 55 mph (88.51 km/h) | 54.11 mph (87.08 km/h) |
| 60 mph (96.56 km/h) | 59.03 mph (95 km/h) |
| 65 mph (104.61 km/h) | 63.95 mph (102.91 km/h) |
| 70 mph (112.65 km/h) | 68.87 mph (110.83 km/h) |
| 75 mph (120.7 km/h) | 73.78 mph (118.75 km/h) |
| 80 mph (128.75 km/h) | 78.7 mph (126.66 km/h) |
| 85 mph (136.79 km/h) | 83.62 mph (134.58 km/h) |
| 90 mph (144.84 km/h) | 88.54 mph (142.49 km/h) |
| 95 mph (152.89 km/h) | 93.46 mph (150.41 km/h) |
| 100 mph (160.93 km/h) | 98.38 mph (158.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1652 | 1919 | 2066 | 2158 | 2256 | 2326 | 2404 | 2495 | 2622 | 2748 | 2889 | 3001 | 3205 | 3430 | 3605 | 3718 | 3781 | 4013 | 4336 | 5039 |
Better Fuel Economy Factory Ratios Increased Power
