Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/55-13 | 245/40-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 20.72 (526.2) | -0.73 (-18.5) -3.4% |
| Width inches (mm) | 7.68 (195) | 9.65 (245) | 1.97 (50) 25.6% |
| Circum. inches (mm) | 67.37 (1711.23) | 65.08 (1653.11) | -2.29 (-58.12) -3.4% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 3.86 (98) | -0.36 (-9.25) -8.6% |
| Revolutions per mile (km) | 940.46 (584.38) | 973.53 (604.92) | 33.06 (20.55) 3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.32 mph (31.09 km/h) |
| 25 mph (40.23 km/h) | 24.15 mph (38.87 km/h) |
| 30 mph (48.28 km/h) | 28.98 mph (46.64 km/h) |
| 35 mph (56.33 km/h) | 33.81 mph (54.41 km/h) |
| 40 mph (64.37 km/h) | 38.64 mph (62.19 km/h) |
| 45 mph (72.42 km/h) | 43.47 mph (69.96 km/h) |
| 50 mph (80.47 km/h) | 48.3 mph (77.73 km/h) |
| 55 mph (88.51 km/h) | 53.13 mph (85.51 km/h) |
| 60 mph (96.56 km/h) | 57.96 mph (93.28 km/h) |
| 65 mph (104.61 km/h) | 62.79 mph (101.05 km/h) |
| 70 mph (112.65 km/h) | 67.62 mph (108.83 km/h) |
| 75 mph (120.7 km/h) | 72.45 mph (116.6 km/h) |
| 80 mph (128.75 km/h) | 77.28 mph (124.38 km/h) |
| 85 mph (136.79 km/h) | 82.11 mph (132.15 km/h) |
| 90 mph (144.84 km/h) | 86.94 mph (139.92 km/h) |
| 95 mph (152.89 km/h) | 91.77 mph (147.7 km/h) |
| 100 mph (160.93 km/h) | 96.6 mph (155.47 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
