Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-16 | 245/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.68 (626.9) | 23.72 (602.4) | -0.96 (-24.5) -3.9% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 77.54 (1969.46) | 74.51 (1892.5) | -3.03 (-76.97) -3.9% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 3.86 (98) | -0.48 (-12.25) -11.1% |
| Revolutions per mile (km) | 817.15 (507.75) | 850.38 (528.4) | 33.23 (20.65) 4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.93 km/h) |
| 25 mph (40.23 km/h) | 24.02 mph (38.66 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.39 km/h) |
| 35 mph (56.33 km/h) | 33.63 mph (54.13 km/h) |
| 40 mph (64.37 km/h) | 38.44 mph (61.86 km/h) |
| 45 mph (72.42 km/h) | 43.24 mph (69.59 km/h) |
| 50 mph (80.47 km/h) | 48.05 mph (77.32 km/h) |
| 55 mph (88.51 km/h) | 52.85 mph (85.05 km/h) |
| 60 mph (96.56 km/h) | 57.66 mph (92.79 km/h) |
| 65 mph (104.61 km/h) | 62.46 mph (100.52 km/h) |
| 70 mph (112.65 km/h) | 67.26 mph (108.25 km/h) |
| 75 mph (120.7 km/h) | 72.07 mph (115.98 km/h) |
| 80 mph (128.75 km/h) | 76.87 mph (123.72 km/h) |
| 85 mph (136.79 km/h) | 81.68 mph (131.45 km/h) |
| 90 mph (144.84 km/h) | 86.48 mph (139.18 km/h) |
| 95 mph (152.89 km/h) | 91.29 mph (146.91 km/h) |
| 100 mph (160.93 km/h) | 96.09 mph (154.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2164 | 2514 | 2707 | 2827 | 2956 | 3048 | 3149 | 3269 | 3435 | 3601 | 3785 | 3932 | 4199 | 4494 | 4724 | 4871 | 4954 | 5258 | 5682 | 6603 |
Better Fuel Economy Factory Ratios Increased Power
