Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-20 | 295/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.61 (752) | 29.29 (744) | -0.31 (-8) -1.1% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 93.01 (2362.48) | 92.02 (2337.34) | -0.99 (-25.13) -1.1% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.65 (118) | -0.16 (-4) -3.3% |
| Revolutions per mile (km) | 681.21 (423.28) | 688.54 (427.84) | 7.32 (4.55) 1.1% |
295/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.84 km/h) |
| 25 mph (40.23 km/h) | 24.73 mph (39.81 km/h) |
| 30 mph (48.28 km/h) | 29.68 mph (47.77 km/h) |
| 35 mph (56.33 km/h) | 34.63 mph (55.73 km/h) |
| 40 mph (64.37 km/h) | 39.57 mph (63.69 km/h) |
| 45 mph (72.42 km/h) | 44.52 mph (71.65 km/h) |
| 50 mph (80.47 km/h) | 49.47 mph (79.61 km/h) |
| 55 mph (88.51 km/h) | 54.41 mph (87.57 km/h) |
| 60 mph (96.56 km/h) | 59.36 mph (95.53 km/h) |
| 65 mph (104.61 km/h) | 64.31 mph (103.49 km/h) |
| 70 mph (112.65 km/h) | 69.26 mph (111.46 km/h) |
| 75 mph (120.7 km/h) | 74.2 mph (119.42 km/h) |
| 80 mph (128.75 km/h) | 79.15 mph (127.38 km/h) |
| 85 mph (136.79 km/h) | 84.1 mph (135.34 km/h) |
| 90 mph (144.84 km/h) | 89.04 mph (143.3 km/h) |
| 95 mph (152.89 km/h) | 93.99 mph (151.26 km/h) |
| 100 mph (160.93 km/h) | 98.94 mph (159.22 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
