Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-18 | 315/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.45 (722.7) | 29.16 (740.7) | 0.71 (18) 2.5% |
| Width inches (mm) | 11.61 (295) | 12.4 (315) | 0.79 (20) 6.8% |
| Circum. inches (mm) | 89.39 (2270.43) | 91.61 (2326.98) | 2.23 (56.55) 2.5% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 5.58 (141.75) | 0.35 (9) 6.8% |
| Revolutions per mile (km) | 708.83 (440.44) | 691.6 (429.74) | -17.23 (-10.7) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.5 mph (32.99 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.24 km/h) |
| 30 mph (48.28 km/h) | 30.75 mph (49.48 km/h) |
| 35 mph (56.33 km/h) | 35.87 mph (57.73 km/h) |
| 40 mph (64.37 km/h) | 41 mph (65.98 km/h) |
| 45 mph (72.42 km/h) | 46.12 mph (74.22 km/h) |
| 50 mph (80.47 km/h) | 51.25 mph (82.47 km/h) |
| 55 mph (88.51 km/h) | 56.37 mph (90.72 km/h) |
| 60 mph (96.56 km/h) | 61.49 mph (98.97 km/h) |
| 65 mph (104.61 km/h) | 66.62 mph (107.21 km/h) |
| 70 mph (112.65 km/h) | 71.74 mph (115.46 km/h) |
| 75 mph (120.7 km/h) | 76.87 mph (123.71 km/h) |
| 80 mph (128.75 km/h) | 81.99 mph (131.95 km/h) |
| 85 mph (136.79 km/h) | 87.12 mph (140.2 km/h) |
| 90 mph (144.84 km/h) | 92.24 mph (148.45 km/h) |
| 95 mph (152.89 km/h) | 97.37 mph (156.7 km/h) |
| 100 mph (160.93 km/h) | 102.49 mph (164.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1760 | 2045 | 2202 | 2299 | 2404 | 2479 | 2561 | 2659 | 2794 | 2928 | 3078 | 3198 | 3415 | 3655 | 3842 | 3962 | 4029 | 4276 | 4621 | 5370 |
Better Fuel Economy Factory Ratios Increased Power
