Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 250/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 32.75 (831.8) | 5.35 (136) 19.5% |
| Width inches (mm) | 6.5 (165) | 9.84 (250) | 3.35 (85) 51.5% |
| Circum. inches (mm) | 86.06 (2185.92) | 102.88 (2613.18) | 16.82 (427.26) 19.5% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.87 (200) | 2.68 (68) 51.5% |
| Revolutions per mile (km) | 736.23 (457.47) | 615.86 (382.68) | -120.37 (-74.8) -16.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.91 mph (38.48 km/h) |
| 25 mph (40.23 km/h) | 29.89 mph (48.1 km/h) |
| 30 mph (48.28 km/h) | 35.86 mph (57.72 km/h) |
| 35 mph (56.33 km/h) | 41.84 mph (67.34 km/h) |
| 40 mph (64.37 km/h) | 47.82 mph (76.96 km/h) |
| 45 mph (72.42 km/h) | 53.8 mph (86.58 km/h) |
| 50 mph (80.47 km/h) | 59.77 mph (96.2 km/h) |
| 55 mph (88.51 km/h) | 65.75 mph (105.81 km/h) |
| 60 mph (96.56 km/h) | 71.73 mph (115.43 km/h) |
| 65 mph (104.61 km/h) | 77.7 mph (125.05 km/h) |
| 70 mph (112.65 km/h) | 83.68 mph (134.67 km/h) |
| 75 mph (120.7 km/h) | 89.66 mph (144.29 km/h) |
| 80 mph (128.75 km/h) | 95.64 mph (153.91 km/h) |
| 85 mph (136.79 km/h) | 101.61 mph (163.53 km/h) |
| 90 mph (144.84 km/h) | 107.59 mph (173.15 km/h) |
| 95 mph (152.89 km/h) | 113.57 mph (182.77 km/h) |
| 100 mph (160.93 km/h) | 119.55 mph (192.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1567 | 1821 | 1961 | 2047 | 2141 | 2207 | 2281 | 2368 | 2488 | 2608 | 2741 | 2848 | 3041 | 3255 | 3421 | 3528 | 3588 | 3808 | 4115 | 4782 |
Better Fuel Economy Factory Ratios Increased Power
