Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/55-18 | 195/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.88 (682.7) | 27.21 (691.2) | 0.33 (8.5) 1.2% |
| Width inches (mm) | 8.07 (205) | 7.68 (195) | -0.39 (-10) -4.9% |
| Circum. inches (mm) | 84.44 (2144.77) | 85.49 (2171.47) | 1.05 (26.7) 1.2% |
| Sidewall Height inches (mm) | 4.44 (112.75) | 4.61 (117) | 0.17 (4.25) 3.8% |
| Revolutions per mile (km) | 750.36 (466.25) | 741.13 (460.52) | -9.23 (-5.73) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.25 mph (32.59 km/h) |
| 25 mph (40.23 km/h) | 25.31 mph (40.73 km/h) |
| 30 mph (48.28 km/h) | 30.37 mph (48.88 km/h) |
| 35 mph (56.33 km/h) | 35.44 mph (57.03 km/h) |
| 40 mph (64.37 km/h) | 40.5 mph (65.18 km/h) |
| 45 mph (72.42 km/h) | 45.56 mph (73.32 km/h) |
| 50 mph (80.47 km/h) | 50.62 mph (81.47 km/h) |
| 55 mph (88.51 km/h) | 55.68 mph (89.62 km/h) |
| 60 mph (96.56 km/h) | 60.75 mph (97.76 km/h) |
| 65 mph (104.61 km/h) | 65.81 mph (105.91 km/h) |
| 70 mph (112.65 km/h) | 70.87 mph (114.06 km/h) |
| 75 mph (120.7 km/h) | 75.93 mph (122.2 km/h) |
| 80 mph (128.75 km/h) | 81 mph (130.35 km/h) |
| 85 mph (136.79 km/h) | 86.06 mph (138.5 km/h) |
| 90 mph (144.84 km/h) | 91.12 mph (146.64 km/h) |
| 95 mph (152.89 km/h) | 96.18 mph (154.79 km/h) |
| 100 mph (160.93 km/h) | 101.25 mph (162.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1886 | 2191 | 2360 | 2464 | 2576 | 2657 | 2745 | 2849 | 2994 | 3138 | 3299 | 3427 | 3660 | 3917 | 4117 | 4246 | 4318 | 4583 | 4952 | 5754 |
Better Fuel Economy Factory Ratios Increased Power
