Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-18 | 275/55-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.45 (722.7) | 29.91 (759.7) | 1.46 (37) 5.1% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 89.39 (2270.43) | 93.96 (2386.67) | 4.58 (116.24) 5.1% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 5.95 (151.25) | 0.73 (18.5) 13.9% |
| Revolutions per mile (km) | 708.83 (440.44) | 674.31 (418.99) | -34.52 (-21.45) -4.9% |
275/55-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.83 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.29 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.75 km/h) |
| 35 mph (56.33 km/h) | 36.79 mph (59.21 km/h) |
| 40 mph (64.37 km/h) | 42.05 mph (67.67 km/h) |
| 45 mph (72.42 km/h) | 47.3 mph (76.13 km/h) |
| 50 mph (80.47 km/h) | 52.56 mph (84.59 km/h) |
| 55 mph (88.51 km/h) | 57.82 mph (93.05 km/h) |
| 60 mph (96.56 km/h) | 63.07 mph (101.5 km/h) |
| 65 mph (104.61 km/h) | 68.33 mph (109.96 km/h) |
| 70 mph (112.65 km/h) | 73.58 mph (118.42 km/h) |
| 75 mph (120.7 km/h) | 78.84 mph (126.88 km/h) |
| 80 mph (128.75 km/h) | 84.1 mph (135.34 km/h) |
| 85 mph (136.79 km/h) | 89.35 mph (143.8 km/h) |
| 90 mph (144.84 km/h) | 94.61 mph (152.26 km/h) |
| 95 mph (152.89 km/h) | 99.86 mph (160.72 km/h) |
| 100 mph (160.93 km/h) | 105.12 mph (169.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1716 | 1993 | 2147 | 2242 | 2344 | 2417 | 2497 | 2592 | 2724 | 2855 | 3001 | 3118 | 3330 | 3563 | 3746 | 3863 | 3928 | 4169 | 4505 | 5236 |
Better Fuel Economy Factory Ratios Increased Power
