Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-14 | 195/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.28 (540.6) | 21.91 (556.5) | 0.63 (15.9) 2.9% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 66.86 (1698.34) | 68.83 (1748.3) | 1.97 (49.95) 2.9% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 3.45 (87.75) | -0.19 (-4.75) -5.1% |
| Revolutions per mile (km) | 947.6 (588.81) | 920.52 (571.98) | -27.07 (-16.82) -2.9% |
195/45-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.13 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.42 km/h) |
| 30 mph (48.28 km/h) | 30.88 mph (49.7 km/h) |
| 35 mph (56.33 km/h) | 36.03 mph (57.98 km/h) |
| 40 mph (64.37 km/h) | 41.18 mph (66.27 km/h) |
| 45 mph (72.42 km/h) | 46.32 mph (74.55 km/h) |
| 50 mph (80.47 km/h) | 51.47 mph (82.83 km/h) |
| 55 mph (88.51 km/h) | 56.62 mph (91.12 km/h) |
| 60 mph (96.56 km/h) | 61.76 mph (99.4 km/h) |
| 65 mph (104.61 km/h) | 66.91 mph (107.68 km/h) |
| 70 mph (112.65 km/h) | 72.06 mph (115.97 km/h) |
| 75 mph (120.7 km/h) | 77.21 mph (124.25 km/h) |
| 80 mph (128.75 km/h) | 82.35 mph (132.53 km/h) |
| 85 mph (136.79 km/h) | 87.5 mph (140.82 km/h) |
| 90 mph (144.84 km/h) | 92.65 mph (149.1 km/h) |
| 95 mph (152.89 km/h) | 97.79 mph (157.38 km/h) |
| 100 mph (160.93 km/h) | 102.94 mph (165.67 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
