Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-20 | 235/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.8 (706) | 26.25 (666.8) | -1.54 (-39.2) -5.6% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 87.32 (2217.96) | 82.47 (2094.81) | -4.85 (-123.15) -5.6% |
| Sidewall Height inches (mm) | 3.9 (99) | 4.63 (117.5) | 0.73 (18.5) 18.7% |
| Revolutions per mile (km) | 725.6 (450.86) | 768.25 (477.37) | 42.66 (26.51) 5.9% |
235/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.89 mph (30.4 km/h) |
| 25 mph (40.23 km/h) | 23.61 mph (38 km/h) |
| 30 mph (48.28 km/h) | 28.33 mph (45.6 km/h) |
| 35 mph (56.33 km/h) | 33.06 mph (53.2 km/h) |
| 40 mph (64.37 km/h) | 37.78 mph (60.8 km/h) |
| 45 mph (72.42 km/h) | 42.5 mph (68.4 km/h) |
| 50 mph (80.47 km/h) | 47.22 mph (76 km/h) |
| 55 mph (88.51 km/h) | 51.95 mph (83.6 km/h) |
| 60 mph (96.56 km/h) | 56.67 mph (91.2 km/h) |
| 65 mph (104.61 km/h) | 61.39 mph (98.8 km/h) |
| 70 mph (112.65 km/h) | 66.11 mph (106.4 km/h) |
| 75 mph (120.7 km/h) | 70.84 mph (114 km/h) |
| 80 mph (128.75 km/h) | 75.56 mph (121.6 km/h) |
| 85 mph (136.79 km/h) | 80.28 mph (129.2 km/h) |
| 90 mph (144.84 km/h) | 85 mph (136.8 km/h) |
| 95 mph (152.89 km/h) | 89.73 mph (144.4 km/h) |
| 100 mph (160.93 km/h) | 94.45 mph (152 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1955 | 2271 | 2446 | 2554 | 2671 | 2754 | 2845 | 2953 | 3103 | 3253 | 3419 | 3552 | 3794 | 4060 | 4268 | 4401 | 4476 | 4750 | 5133 | 5965 |
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