Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/45-18 | 295/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.81 (731.7) | 28.45 (722.7) | -0.35 (-9) -1.2% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 90.5 (2298.7) | 89.39 (2270.43) | -1.11 (-28.27) -1.2% |
| Sidewall Height inches (mm) | 5.4 (137.25) | 5.23 (132.75) | -0.18 (-4.5) -3.3% |
| Revolutions per mile (km) | 700.11 (435.03) | 708.83 (440.44) | 8.72 (5.42) 1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.79 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.74 km/h) |
| 30 mph (48.28 km/h) | 29.63 mph (47.69 km/h) |
| 35 mph (56.33 km/h) | 34.57 mph (55.63 km/h) |
| 40 mph (64.37 km/h) | 39.51 mph (63.58 km/h) |
| 45 mph (72.42 km/h) | 44.45 mph (71.53 km/h) |
| 50 mph (80.47 km/h) | 49.38 mph (79.48 km/h) |
| 55 mph (88.51 km/h) | 54.32 mph (87.43 km/h) |
| 60 mph (96.56 km/h) | 59.26 mph (95.37 km/h) |
| 65 mph (104.61 km/h) | 64.2 mph (103.32 km/h) |
| 70 mph (112.65 km/h) | 69.14 mph (111.27 km/h) |
| 75 mph (120.7 km/h) | 74.08 mph (119.22 km/h) |
| 80 mph (128.75 km/h) | 79.02 mph (127.16 km/h) |
| 85 mph (136.79 km/h) | 83.95 mph (135.11 km/h) |
| 90 mph (144.84 km/h) | 88.89 mph (143.06 km/h) |
| 95 mph (152.89 km/h) | 93.83 mph (151.01 km/h) |
| 100 mph (160.93 km/h) | 98.77 mph (158.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1804 | 2096 | 2257 | 2356 | 2464 | 2541 | 2625 | 2725 | 2863 | 3001 | 3155 | 3278 | 3500 | 3746 | 3938 | 4061 | 4130 | 4383 | 4736 | 5504 |
Better Fuel Economy Factory Ratios Increased Power
