Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.57 (802) | 30.43 (773) | -1.14 (-29) -3.6% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 99.2 (2519.56) | 95.61 (2428.45) | -3.59 (-91.11) -3.6% |
| Sidewall Height inches (mm) | 5.79 (147) | 5.22 (132.5) | -0.57 (-14.5) -9.9% |
| Revolutions per mile (km) | 638.74 (396.89) | 662.7 (411.78) | 23.96 (14.89) 3.8% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.28 mph (31.02 km/h) |
| 25 mph (40.23 km/h) | 24.1 mph (38.78 km/h) |
| 30 mph (48.28 km/h) | 28.92 mph (46.53 km/h) |
| 35 mph (56.33 km/h) | 33.73 mph (54.29 km/h) |
| 40 mph (64.37 km/h) | 38.55 mph (62.05 km/h) |
| 45 mph (72.42 km/h) | 43.37 mph (69.8 km/h) |
| 50 mph (80.47 km/h) | 48.19 mph (77.56 km/h) |
| 55 mph (88.51 km/h) | 53.01 mph (85.31 km/h) |
| 60 mph (96.56 km/h) | 57.83 mph (93.07 km/h) |
| 65 mph (104.61 km/h) | 62.65 mph (100.82 km/h) |
| 70 mph (112.65 km/h) | 67.47 mph (108.58 km/h) |
| 75 mph (120.7 km/h) | 72.29 mph (116.34 km/h) |
| 80 mph (128.75 km/h) | 77.11 mph (124.09 km/h) |
| 85 mph (136.79 km/h) | 81.93 mph (131.85 km/h) |
| 90 mph (144.84 km/h) | 86.75 mph (139.6 km/h) |
| 95 mph (152.89 km/h) | 91.56 mph (147.36 km/h) |
| 100 mph (160.93 km/h) | 96.38 mph (155.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1686 | 1959 | 2110 | 2203 | 2304 | 2375 | 2454 | 2548 | 2677 | 2806 | 2950 | 3064 | 3272 | 3502 | 3681 | 3796 | 3861 | 4098 | 4428 | 5145 |
Better Fuel Economy Factory Ratios Increased Power
