Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/75-18 | 275/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.65 (854.7) | 34.24 (869.7) | 0.59 (15) 1.8% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 105.71 (2685.12) | 107.57 (2732.24) | 1.86 (47.12) 1.8% |
| Sidewall Height inches (mm) | 7.82 (198.75) | 8.12 (206.25) | 0.3 (7.5) 3.8% |
| Revolutions per mile (km) | 599.36 (372.42) | 589.02 (366) | -10.34 (-6.42) -1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.35 mph (32.75 km/h) |
| 25 mph (40.23 km/h) | 25.44 mph (40.94 km/h) |
| 30 mph (48.28 km/h) | 30.53 mph (49.13 km/h) |
| 35 mph (56.33 km/h) | 35.61 mph (57.32 km/h) |
| 40 mph (64.37 km/h) | 40.7 mph (65.5 km/h) |
| 45 mph (72.42 km/h) | 45.79 mph (73.69 km/h) |
| 50 mph (80.47 km/h) | 50.88 mph (81.88 km/h) |
| 55 mph (88.51 km/h) | 55.97 mph (90.07 km/h) |
| 60 mph (96.56 km/h) | 61.05 mph (98.26 km/h) |
| 65 mph (104.61 km/h) | 66.14 mph (106.44 km/h) |
| 70 mph (112.65 km/h) | 71.23 mph (114.63 km/h) |
| 75 mph (120.7 km/h) | 76.32 mph (122.82 km/h) |
| 80 mph (128.75 km/h) | 81.4 mph (131.01 km/h) |
| 85 mph (136.79 km/h) | 86.49 mph (139.2 km/h) |
| 90 mph (144.84 km/h) | 91.58 mph (147.38 km/h) |
| 95 mph (152.89 km/h) | 96.67 mph (155.57 km/h) |
| 100 mph (160.93 km/h) | 101.76 mph (163.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1499 | 1741 | 1875 | 1958 | 2047 | 2111 | 2181 | 2264 | 2379 | 2494 | 2622 | 2724 | 2909 | 3113 | 3272 | 3374 | 3432 | 3642 | 3936 | 4573 |
Better Fuel Economy Factory Ratios Increased Power
