Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-17 | 305/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.3) | 27.81 (706.3) | 2.4 (61) 9.5% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 79.81 (2027.27) | 87.36 (2218.91) | 7.54 (191.64) 9.5% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 5.4 (137.25) | 1.2 (30.5) 28.6% |
| Revolutions per mile (km) | 793.85 (493.27) | 725.29 (450.67) | -68.56 (-42.6) -8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.89 mph (35.23 km/h) |
| 25 mph (40.23 km/h) | 27.36 mph (44.04 km/h) |
| 30 mph (48.28 km/h) | 32.84 mph (52.84 km/h) |
| 35 mph (56.33 km/h) | 38.31 mph (61.65 km/h) |
| 40 mph (64.37 km/h) | 43.78 mph (70.46 km/h) |
| 45 mph (72.42 km/h) | 49.25 mph (79.27 km/h) |
| 50 mph (80.47 km/h) | 54.73 mph (88.07 km/h) |
| 55 mph (88.51 km/h) | 60.2 mph (96.88 km/h) |
| 60 mph (96.56 km/h) | 65.67 mph (105.69 km/h) |
| 65 mph (104.61 km/h) | 71.14 mph (114.5 km/h) |
| 70 mph (112.65 km/h) | 76.62 mph (123.3 km/h) |
| 75 mph (120.7 km/h) | 82.09 mph (132.11 km/h) |
| 80 mph (128.75 km/h) | 87.56 mph (140.92 km/h) |
| 85 mph (136.79 km/h) | 93.04 mph (149.73 km/h) |
| 90 mph (144.84 km/h) | 98.51 mph (158.53 km/h) |
| 95 mph (152.89 km/h) | 103.98 mph (167.34 km/h) |
| 100 mph (160.93 km/h) | 109.45 mph (176.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1846 | 2144 | 2309 | 2411 | 2521 | 2600 | 2686 | 2788 | 2930 | 3071 | 3228 | 3354 | 3581 | 3833 | 4029 | 4155 | 4226 | 4485 | 4846 | 5631 |
Better Fuel Economy Factory Ratios Increased Power
