Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-15 | 205/40-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.91 (556.5) | 21.46 (545) | -0.45 (-11.5) -2.1% |
| Width inches (mm) | 7.68 (195) | 8.07 (205) | 0.39 (10) 5.1% |
| Circum. inches (mm) | 68.83 (1748.3) | 67.41 (1712.17) | -1.42 (-36.13) -2.1% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 3.23 (82) | -0.23 (-5.75) -6.6% |
| Revolutions per mile (km) | 920.52 (571.98) | 939.95 (584.05) | 19.42 (12.07) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.52 km/h) |
| 25 mph (40.23 km/h) | 24.48 mph (39.4 km/h) |
| 30 mph (48.28 km/h) | 29.38 mph (47.28 km/h) |
| 35 mph (56.33 km/h) | 34.28 mph (55.16 km/h) |
| 40 mph (64.37 km/h) | 39.17 mph (63.04 km/h) |
| 45 mph (72.42 km/h) | 44.07 mph (70.92 km/h) |
| 50 mph (80.47 km/h) | 48.97 mph (78.8 km/h) |
| 55 mph (88.51 km/h) | 53.86 mph (86.68 km/h) |
| 60 mph (96.56 km/h) | 58.76 mph (94.57 km/h) |
| 65 mph (104.61 km/h) | 63.66 mph (102.45 km/h) |
| 70 mph (112.65 km/h) | 68.55 mph (110.33 km/h) |
| 75 mph (120.7 km/h) | 73.45 mph (118.21 km/h) |
| 80 mph (128.75 km/h) | 78.35 mph (126.09 km/h) |
| 85 mph (136.79 km/h) | 83.24 mph (133.97 km/h) |
| 90 mph (144.84 km/h) | 88.14 mph (141.85 km/h) |
| 95 mph (152.89 km/h) | 93.04 mph (149.73 km/h) |
| 100 mph (160.93 km/h) | 97.93 mph (157.61 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
