Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-18 | 295/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 27.29 (693.2) | 0.63 (16) 2.4% |
| Width inches (mm) | 10.83 (275) | 11.61 (295) | 0.79 (20) 7.3% |
| Circum. inches (mm) | 83.76 (2127.49) | 85.74 (2177.75) | 1.98 (50.27) 2.4% |
| Sidewall Height inches (mm) | 4.33 (110) | 4.65 (118) | 0.31 (8) 7.3% |
| Revolutions per mile (km) | 756.45 (470.04) | 738.99 (459.19) | -17.46 (-10.85) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.18 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.89 km/h) |
| 45 mph (72.42 km/h) | 46.06 mph (74.13 km/h) |
| 50 mph (80.47 km/h) | 51.18 mph (82.37 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.61 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.84 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.08 km/h) |
| 70 mph (112.65 km/h) | 71.65 mph (115.32 km/h) |
| 75 mph (120.7 km/h) | 76.77 mph (123.55 km/h) |
| 80 mph (128.75 km/h) | 81.89 mph (131.79 km/h) |
| 85 mph (136.79 km/h) | 87.01 mph (140.03 km/h) |
| 90 mph (144.84 km/h) | 92.13 mph (148.26 km/h) |
| 95 mph (152.89 km/h) | 97.24 mph (156.5 km/h) |
| 100 mph (160.93 km/h) | 102.36 mph (164.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1881 | 2185 | 2353 | 2457 | 2569 | 2649 | 2737 | 2841 | 2985 | 3129 | 3289 | 3417 | 3649 | 3905 | 4105 | 4233 | 4305 | 4569 | 4938 | 5738 |
Better Fuel Economy Factory Ratios Increased Power
