Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/40-20 | 275/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (744) | 28.66 (728) | -0.63 (-16) -2.2% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 92.02 (2337.34) | 90.04 (2287.08) | -1.98 (-50.27) -2.2% |
| Sidewall Height inches (mm) | 4.65 (118) | 4.33 (110) | -0.31 (-8) -6.8% |
| Revolutions per mile (km) | 688.54 (427.84) | 703.67 (437.24) | 15.13 (9.4) 2.2% |
275/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.49 km/h) |
| 25 mph (40.23 km/h) | 24.46 mph (39.37 km/h) |
| 30 mph (48.28 km/h) | 29.35 mph (47.24 km/h) |
| 35 mph (56.33 km/h) | 34.25 mph (55.12 km/h) |
| 40 mph (64.37 km/h) | 39.14 mph (62.99 km/h) |
| 45 mph (72.42 km/h) | 44.03 mph (70.86 km/h) |
| 50 mph (80.47 km/h) | 48.92 mph (78.74 km/h) |
| 55 mph (88.51 km/h) | 53.82 mph (86.61 km/h) |
| 60 mph (96.56 km/h) | 58.71 mph (94.48 km/h) |
| 65 mph (104.61 km/h) | 63.6 mph (102.36 km/h) |
| 70 mph (112.65 km/h) | 68.49 mph (110.23 km/h) |
| 75 mph (120.7 km/h) | 73.39 mph (118.11 km/h) |
| 80 mph (128.75 km/h) | 78.28 mph (125.98 km/h) |
| 85 mph (136.79 km/h) | 83.17 mph (133.85 km/h) |
| 90 mph (144.84 km/h) | 88.06 mph (141.73 km/h) |
| 95 mph (152.89 km/h) | 92.96 mph (149.6 km/h) |
| 100 mph (160.93 km/h) | 97.85 mph (157.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1791 | 2080 | 2240 | 2339 | 2446 | 2522 | 2606 | 2705 | 2842 | 2979 | 3132 | 3254 | 3475 | 3719 | 3909 | 4031 | 4100 | 4351 | 4702 | 5464 |
Better Fuel Economy Factory Ratios Increased Power
