Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/40-20 | 265/45-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (744) | 29.39 (746.5) | 0.1 (2.5) 0.3% |
| Width inches (mm) | 11.61 (295) | 10.43 (265) | -1.18 (-30) -10.2% |
| Circum. inches (mm) | 92.02 (2337.34) | 92.33 (2345.2) | 0.31 (7.85) 0.3% |
| Sidewall Height inches (mm) | 4.65 (118) | 4.69 (119.25) | 0.05 (1.25) 1.1% |
| Revolutions per mile (km) | 688.54 (427.84) | 686.23 (426.4) | -2.31 (-1.43) -0.3% |
265/45-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.07 mph (32.3 km/h) |
| 25 mph (40.23 km/h) | 25.08 mph (40.37 km/h) |
| 30 mph (48.28 km/h) | 30.1 mph (48.44 km/h) |
| 35 mph (56.33 km/h) | 35.12 mph (56.52 km/h) |
| 40 mph (64.37 km/h) | 40.13 mph (64.59 km/h) |
| 45 mph (72.42 km/h) | 45.15 mph (72.66 km/h) |
| 50 mph (80.47 km/h) | 50.17 mph (80.74 km/h) |
| 55 mph (88.51 km/h) | 55.18 mph (88.81 km/h) |
| 60 mph (96.56 km/h) | 60.2 mph (96.89 km/h) |
| 65 mph (104.61 km/h) | 65.22 mph (104.96 km/h) |
| 70 mph (112.65 km/h) | 70.24 mph (113.03 km/h) |
| 75 mph (120.7 km/h) | 75.25 mph (121.11 km/h) |
| 80 mph (128.75 km/h) | 80.27 mph (129.18 km/h) |
| 85 mph (136.79 km/h) | 85.29 mph (137.25 km/h) |
| 90 mph (144.84 km/h) | 90.3 mph (145.33 km/h) |
| 95 mph (152.89 km/h) | 95.32 mph (153.4 km/h) |
| 100 mph (160.93 km/h) | 100.34 mph (161.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1746 | 2029 | 2185 | 2281 | 2385 | 2460 | 2541 | 2638 | 2772 | 2906 | 3054 | 3173 | 3389 | 3626 | 3812 | 3931 | 3998 | 4243 | 4585 | 5328 |
Better Fuel Economy Factory Ratios Increased Power
