Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 285/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 37.2 (944.8) | 8.5 (216) 29.6% |
| Width inches (mm) | 6.5 (165) | 11.22 (285) | 4.72 (120) 72.7% |
| Circum. inches (mm) | 90.14 (2289.59) | 116.86 (2968.18) | 26.72 (678.58) 29.6% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 10.1 (256.5) | 4.25 (108) 72.7% |
| Revolutions per mile (km) | 702.9 (436.76) | 542.2 (336.91) | -160.7 (-99.85) -22.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.93 mph (41.73 km/h) |
| 25 mph (40.23 km/h) | 32.41 mph (52.16 km/h) |
| 30 mph (48.28 km/h) | 38.89 mph (62.59 km/h) |
| 35 mph (56.33 km/h) | 45.37 mph (73.02 km/h) |
| 40 mph (64.37 km/h) | 51.86 mph (83.45 km/h) |
| 45 mph (72.42 km/h) | 58.34 mph (93.88 km/h) |
| 50 mph (80.47 km/h) | 64.82 mph (104.32 km/h) |
| 55 mph (88.51 km/h) | 71.3 mph (114.75 km/h) |
| 60 mph (96.56 km/h) | 77.78 mph (125.18 km/h) |
| 65 mph (104.61 km/h) | 84.26 mph (135.61 km/h) |
| 70 mph (112.65 km/h) | 90.75 mph (146.04 km/h) |
| 75 mph (120.7 km/h) | 97.23 mph (156.47 km/h) |
| 80 mph (128.75 km/h) | 103.71 mph (166.91 km/h) |
| 85 mph (136.79 km/h) | 110.19 mph (177.34 km/h) |
| 90 mph (144.84 km/h) | 116.67 mph (187.77 km/h) |
| 95 mph (152.89 km/h) | 123.16 mph (198.2 km/h) |
| 100 mph (160.93 km/h) | 129.64 mph (208.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1380 | 1603 | 1726 | 1803 | 1885 | 1943 | 2008 | 2084 | 2190 | 2296 | 2413 | 2507 | 2677 | 2865 | 3012 | 3106 | 3159 | 3353 | 3623 | 4210 |
Better Fuel Economy Factory Ratios Increased Power
