Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-16 | 185/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.91 (581.9) | 22.56 (572.9) | -0.35 (-9) -1.5% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 71.97 (1828.09) | 70.86 (1799.82) | -1.11 (-28.27) -1.5% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 3.28 (83.25) | -0.18 (-4.5) -5.1% |
| Revolutions per mile (km) | 880.34 (547.02) | 894.17 (555.61) | 13.83 (8.59) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.69 mph (31.69 km/h) |
| 25 mph (40.23 km/h) | 24.61 mph (39.61 km/h) |
| 30 mph (48.28 km/h) | 29.54 mph (47.53 km/h) |
| 35 mph (56.33 km/h) | 34.46 mph (55.46 km/h) |
| 40 mph (64.37 km/h) | 39.38 mph (63.38 km/h) |
| 45 mph (72.42 km/h) | 44.3 mph (71.3 km/h) |
| 50 mph (80.47 km/h) | 49.23 mph (79.22 km/h) |
| 55 mph (88.51 km/h) | 54.15 mph (87.15 km/h) |
| 60 mph (96.56 km/h) | 59.07 mph (95.07 km/h) |
| 65 mph (104.61 km/h) | 63.99 mph (102.99 km/h) |
| 70 mph (112.65 km/h) | 68.92 mph (110.91 km/h) |
| 75 mph (120.7 km/h) | 73.84 mph (118.83 km/h) |
| 80 mph (128.75 km/h) | 78.76 mph (126.76 km/h) |
| 85 mph (136.79 km/h) | 83.69 mph (134.68 km/h) |
| 90 mph (144.84 km/h) | 88.61 mph (142.6 km/h) |
| 95 mph (152.89 km/h) | 93.53 mph (150.52 km/h) |
| 100 mph (160.93 km/h) | 98.45 mph (158.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2275 | 2643 | 2847 | 2973 | 3108 | 3205 | 3312 | 3437 | 3612 | 3786 | 3980 | 4135 | 4415 | 4725 | 4967 | 5122 | 5209 | 5529 | 5974 | 6943 |
Better Fuel Economy Factory Ratios Increased Power
