Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/60-17 | 305/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.41 (797.8) | 32.61 (828.3) | 1.2 (30.5) 3.8% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 98.68 (2506.36) | 102.45 (2602.18) | 3.77 (95.82) 3.8% |
| Sidewall Height inches (mm) | 7.2 (183) | 7.81 (198.25) | 0.6 (15.25) 8.3% |
| Revolutions per mile (km) | 642.1 (398.98) | 618.46 (384.29) | -23.64 (-14.69) -3.7% |
305/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.42 km/h) |
| 25 mph (40.23 km/h) | 25.96 mph (41.77 km/h) |
| 30 mph (48.28 km/h) | 31.15 mph (50.13 km/h) |
| 35 mph (56.33 km/h) | 36.34 mph (58.48 km/h) |
| 40 mph (64.37 km/h) | 41.53 mph (66.83 km/h) |
| 45 mph (72.42 km/h) | 46.72 mph (75.19 km/h) |
| 50 mph (80.47 km/h) | 51.91 mph (83.54 km/h) |
| 55 mph (88.51 km/h) | 57.1 mph (91.9 km/h) |
| 60 mph (96.56 km/h) | 62.29 mph (100.25 km/h) |
| 65 mph (104.61 km/h) | 67.48 mph (108.61 km/h) |
| 70 mph (112.65 km/h) | 72.68 mph (116.96 km/h) |
| 75 mph (120.7 km/h) | 77.87 mph (125.32 km/h) |
| 80 mph (128.75 km/h) | 83.06 mph (133.67 km/h) |
| 85 mph (136.79 km/h) | 88.25 mph (142.02 km/h) |
| 90 mph (144.84 km/h) | 93.44 mph (150.38 km/h) |
| 95 mph (152.89 km/h) | 98.63 mph (158.73 km/h) |
| 100 mph (160.93 km/h) | 103.82 mph (167.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1574 | 1828 | 1969 | 2056 | 2150 | 2217 | 2290 | 2378 | 2498 | 2619 | 2753 | 2860 | 3054 | 3268 | 3436 | 3543 | 3603 | 3824 | 4132 | 4802 |
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