Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-18 | 275/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.26 (870.2) | 32.07 (814.7) | -2.19 (-55.5) -6.4% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 107.63 (2733.81) | 100.77 (2559.46) | -6.86 (-174.36) -6.4% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 7.04 (178.75) | -1.09 (-27.75) -13.4% |
| Revolutions per mile (km) | 588.68 (365.79) | 628.78 (390.71) | 40.1 (24.92) 6.8% |
275/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.72 mph (30.13 km/h) |
| 25 mph (40.23 km/h) | 23.41 mph (37.67 km/h) |
| 30 mph (48.28 km/h) | 28.09 mph (45.2 km/h) |
| 35 mph (56.33 km/h) | 32.77 mph (52.73 km/h) |
| 40 mph (64.37 km/h) | 37.45 mph (60.27 km/h) |
| 45 mph (72.42 km/h) | 42.13 mph (67.8 km/h) |
| 50 mph (80.47 km/h) | 46.81 mph (75.34 km/h) |
| 55 mph (88.51 km/h) | 51.49 mph (82.87 km/h) |
| 60 mph (96.56 km/h) | 56.17 mph (90.4 km/h) |
| 65 mph (104.61 km/h) | 60.85 mph (97.94 km/h) |
| 70 mph (112.65 km/h) | 65.54 mph (105.47 km/h) |
| 75 mph (120.7 km/h) | 70.22 mph (113 km/h) |
| 80 mph (128.75 km/h) | 74.9 mph (120.54 km/h) |
| 85 mph (136.79 km/h) | 79.58 mph (128.07 km/h) |
| 90 mph (144.84 km/h) | 84.26 mph (135.6 km/h) |
| 95 mph (152.89 km/h) | 88.94 mph (143.14 km/h) |
| 100 mph (160.93 km/h) | 93.62 mph (150.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1600 | 1859 | 2002 | 2090 | 2186 | 2254 | 2329 | 2417 | 2540 | 2662 | 2799 | 2907 | 3105 | 3323 | 3493 | 3602 | 3663 | 3888 | 4201 | 4882 |
Better Fuel Economy Factory Ratios Increased Power
