Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/50-16 | 245/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.04 (661.4) | 24.68 (626.9) | -1.36 (-34.5) -5.2% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 81.81 (2077.85) | 77.54 (1969.46) | -4.27 (-108.38) -5.2% |
| Sidewall Height inches (mm) | 5.02 (127.5) | 4.34 (110.25) | -0.68 (-17.25) -13.5% |
| Revolutions per mile (km) | 774.52 (481.27) | 817.15 (507.75) | 42.62 (26.49) 5.5% |
245/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.96 mph (30.51 km/h) |
| 25 mph (40.23 km/h) | 23.7 mph (38.14 km/h) |
| 30 mph (48.28 km/h) | 28.44 mph (45.76 km/h) |
| 35 mph (56.33 km/h) | 33.17 mph (53.39 km/h) |
| 40 mph (64.37 km/h) | 37.91 mph (61.02 km/h) |
| 45 mph (72.42 km/h) | 42.65 mph (68.64 km/h) |
| 50 mph (80.47 km/h) | 47.39 mph (76.27 km/h) |
| 55 mph (88.51 km/h) | 52.13 mph (83.9 km/h) |
| 60 mph (96.56 km/h) | 56.87 mph (91.52 km/h) |
| 65 mph (104.61 km/h) | 61.61 mph (99.15 km/h) |
| 70 mph (112.65 km/h) | 66.35 mph (106.78 km/h) |
| 75 mph (120.7 km/h) | 71.09 mph (114.41 km/h) |
| 80 mph (128.75 km/h) | 75.83 mph (122.03 km/h) |
| 85 mph (136.79 km/h) | 80.57 mph (129.66 km/h) |
| 90 mph (144.84 km/h) | 85.31 mph (137.29 km/h) |
| 95 mph (152.89 km/h) | 90.04 mph (144.91 km/h) |
| 100 mph (160.93 km/h) | 94.78 mph (152.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2079 | 2416 | 2602 | 2717 | 2840 | 2929 | 3026 | 3141 | 3301 | 3460 | 3637 | 3778 | 4035 | 4318 | 4539 | 4681 | 4761 | 5053 | 5460 | 6345 |
Better Fuel Economy Factory Ratios Increased Power
