Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 250/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 34.72 (881.8) | 6.02 (153) 21% |
| Width inches (mm) | 6.5 (165) | 9.84 (250) | 3.35 (85) 51.5% |
| Circum. inches (mm) | 90.14 (2289.59) | 109.07 (2770.26) | 18.92 (480.66) 21% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 8.86 (225) | 3.01 (76.5) 51.5% |
| Revolutions per mile (km) | 702.9 (436.76) | 580.94 (360.98) | -121.96 (-75.78) -17.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.2 mph (38.94 km/h) |
| 25 mph (40.23 km/h) | 30.25 mph (48.68 km/h) |
| 30 mph (48.28 km/h) | 36.3 mph (58.42 km/h) |
| 35 mph (56.33 km/h) | 42.35 mph (68.15 km/h) |
| 40 mph (64.37 km/h) | 48.4 mph (77.89 km/h) |
| 45 mph (72.42 km/h) | 54.45 mph (87.62 km/h) |
| 50 mph (80.47 km/h) | 60.5 mph (97.36 km/h) |
| 55 mph (88.51 km/h) | 66.55 mph (107.1 km/h) |
| 60 mph (96.56 km/h) | 72.6 mph (116.83 km/h) |
| 65 mph (104.61 km/h) | 78.65 mph (126.57 km/h) |
| 70 mph (112.65 km/h) | 84.7 mph (136.3 km/h) |
| 75 mph (120.7 km/h) | 90.75 mph (146.04 km/h) |
| 80 mph (128.75 km/h) | 96.79 mph (155.78 km/h) |
| 85 mph (136.79 km/h) | 102.84 mph (165.51 km/h) |
| 90 mph (144.84 km/h) | 108.89 mph (175.25 km/h) |
| 95 mph (152.89 km/h) | 114.94 mph (184.98 km/h) |
| 100 mph (160.93 km/h) | 120.99 mph (194.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1478 | 1717 | 1850 | 1931 | 2019 | 2082 | 2152 | 2233 | 2347 | 2460 | 2586 | 2686 | 2869 | 3070 | 3227 | 3328 | 3385 | 3592 | 3882 | 4511 |
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