Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-20 | 295/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.03 (712) | 29.29 (744) | 1.26 (32) 4.5% |
| Width inches (mm) | 10.04 (255) | 11.61 (295) | 1.57 (40) 15.7% |
| Circum. inches (mm) | 88.06 (2236.81) | 92.02 (2337.34) | 3.96 (100.53) 4.5% |
| Sidewall Height inches (mm) | 4.02 (102) | 4.65 (118) | 0.63 (16) 15.7% |
| Revolutions per mile (km) | 719.48 (447.06) | 688.54 (427.84) | -30.95 (-19.23) -4.3% |
295/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.9 mph (33.63 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.04 km/h) |
| 30 mph (48.28 km/h) | 31.35 mph (50.45 km/h) |
| 35 mph (56.33 km/h) | 36.57 mph (58.86 km/h) |
| 40 mph (64.37 km/h) | 41.8 mph (67.27 km/h) |
| 45 mph (72.42 km/h) | 47.02 mph (75.68 km/h) |
| 50 mph (80.47 km/h) | 52.25 mph (84.08 km/h) |
| 55 mph (88.51 km/h) | 57.47 mph (92.49 km/h) |
| 60 mph (96.56 km/h) | 62.7 mph (100.9 km/h) |
| 65 mph (104.61 km/h) | 67.92 mph (109.31 km/h) |
| 70 mph (112.65 km/h) | 73.15 mph (117.72 km/h) |
| 75 mph (120.7 km/h) | 78.37 mph (126.13 km/h) |
| 80 mph (128.75 km/h) | 83.6 mph (134.53 km/h) |
| 85 mph (136.79 km/h) | 88.82 mph (142.94 km/h) |
| 90 mph (144.84 km/h) | 94.04 mph (151.35 km/h) |
| 95 mph (152.89 km/h) | 99.27 mph (159.76 km/h) |
| 100 mph (160.93 km/h) | 104.49 mph (168.17 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
