Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/50-15 | 295/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.61 (676) | 27.29 (693.2) | 0.68 (17.2) 2.5% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 83.61 (2123.72) | 85.74 (2177.75) | 2.13 (54.04) 2.5% |
| Sidewall Height inches (mm) | 5.81 (147.5) | 4.65 (118) | -1.16 (-29.5) -20% |
| Revolutions per mile (km) | 757.8 (470.87) | 738.99 (459.19) | -18.8 (-11.68) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.51 mph (33.01 km/h) |
| 25 mph (40.23 km/h) | 25.64 mph (41.26 km/h) |
| 30 mph (48.28 km/h) | 30.76 mph (49.51 km/h) |
| 35 mph (56.33 km/h) | 35.89 mph (57.76 km/h) |
| 40 mph (64.37 km/h) | 41.02 mph (66.01 km/h) |
| 45 mph (72.42 km/h) | 46.14 mph (74.26 km/h) |
| 50 mph (80.47 km/h) | 51.27 mph (82.51 km/h) |
| 55 mph (88.51 km/h) | 56.4 mph (90.77 km/h) |
| 60 mph (96.56 km/h) | 61.53 mph (99.02 km/h) |
| 65 mph (104.61 km/h) | 66.65 mph (107.27 km/h) |
| 70 mph (112.65 km/h) | 71.78 mph (115.52 km/h) |
| 75 mph (120.7 km/h) | 76.91 mph (123.77 km/h) |
| 80 mph (128.75 km/h) | 82.04 mph (132.02 km/h) |
| 85 mph (136.79 km/h) | 87.16 mph (140.28 km/h) |
| 90 mph (144.84 km/h) | 92.29 mph (148.53 km/h) |
| 95 mph (152.89 km/h) | 97.42 mph (156.78 km/h) |
| 100 mph (160.93 km/h) | 102.54 mph (165.03 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
