Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/55-13 | 245/30-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 18.79 (477.2) | -2.66 (-67.5) -12.4% |
| Width inches (mm) | 7.68 (195) | 9.65 (245) | 1.97 (50) 25.6% |
| Circum. inches (mm) | 67.37 (1711.23) | 59.02 (1499.17) | -8.35 (-212.06) -12.4% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 2.89 (73.5) | -1.33 (-33.75) -31.5% |
| Revolutions per mile (km) | 940.46 (584.38) | 1073.49 (667.04) | 133.03 (82.66) 14.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.52 mph (28.2 km/h) |
| 25 mph (40.23 km/h) | 21.9 mph (35.25 km/h) |
| 30 mph (48.28 km/h) | 26.28 mph (42.3 km/h) |
| 35 mph (56.33 km/h) | 30.66 mph (49.35 km/h) |
| 40 mph (64.37 km/h) | 35.04 mph (56.4 km/h) |
| 45 mph (72.42 km/h) | 39.42 mph (63.45 km/h) |
| 50 mph (80.47 km/h) | 43.8 mph (70.5 km/h) |
| 55 mph (88.51 km/h) | 48.18 mph (77.55 km/h) |
| 60 mph (96.56 km/h) | 52.56 mph (84.59 km/h) |
| 65 mph (104.61 km/h) | 56.95 mph (91.64 km/h) |
| 70 mph (112.65 km/h) | 61.33 mph (98.69 km/h) |
| 75 mph (120.7 km/h) | 65.71 mph (105.74 km/h) |
| 80 mph (128.75 km/h) | 70.09 mph (112.79 km/h) |
| 85 mph (136.79 km/h) | 74.47 mph (119.84 km/h) |
| 90 mph (144.84 km/h) | 78.85 mph (126.89 km/h) |
| 95 mph (152.89 km/h) | 83.23 mph (133.94 km/h) |
| 100 mph (160.93 km/h) | 87.61 mph (140.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
