Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-18 | 295/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.45 (722.7) | 29.29 (744) | 0.84 (21.3) 2.9% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 89.39 (2270.43) | 92.02 (2337.34) | 2.63 (66.92) 2.9% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 4.65 (118) | -0.58 (-14.75) -11.1% |
| Revolutions per mile (km) | 708.83 (440.44) | 688.54 (427.84) | -20.29 (-12.61) -2.9% |
295/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.14 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.42 km/h) |
| 30 mph (48.28 km/h) | 30.88 mph (49.7 km/h) |
| 35 mph (56.33 km/h) | 36.03 mph (57.99 km/h) |
| 40 mph (64.37 km/h) | 41.18 mph (66.27 km/h) |
| 45 mph (72.42 km/h) | 46.33 mph (74.56 km/h) |
| 50 mph (80.47 km/h) | 51.47 mph (82.84 km/h) |
| 55 mph (88.51 km/h) | 56.62 mph (91.12 km/h) |
| 60 mph (96.56 km/h) | 61.77 mph (99.41 km/h) |
| 65 mph (104.61 km/h) | 66.92 mph (107.69 km/h) |
| 70 mph (112.65 km/h) | 72.06 mph (115.97 km/h) |
| 75 mph (120.7 km/h) | 77.21 mph (124.26 km/h) |
| 80 mph (128.75 km/h) | 82.36 mph (132.54 km/h) |
| 85 mph (136.79 km/h) | 87.51 mph (140.83 km/h) |
| 90 mph (144.84 km/h) | 92.65 mph (149.11 km/h) |
| 95 mph (152.89 km/h) | 97.8 mph (157.39 km/h) |
| 100 mph (160.93 km/h) | 102.95 mph (165.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1752 | 2036 | 2192 | 2289 | 2393 | 2468 | 2550 | 2647 | 2781 | 2915 | 3064 | 3184 | 3400 | 3639 | 3825 | 3944 | 4011 | 4257 | 4600 | 5346 |
Better Fuel Economy Factory Ratios Increased Power
