Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-15 | 195/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.5) | 26.52 (673.5) | 0.59 (15) 2.3% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 81.45 (2068.74) | 83.3 (2115.86) | 1.86 (47.12) 2.3% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 5.76 (146.25) | 0.3 (7.5) 5.4% |
| Revolutions per mile (km) | 777.93 (483.39) | 760.61 (472.62) | -17.33 (-10.77) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.92 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.15 km/h) |
| 30 mph (48.28 km/h) | 30.68 mph (49.38 km/h) |
| 35 mph (56.33 km/h) | 35.8 mph (57.61 km/h) |
| 40 mph (64.37 km/h) | 40.91 mph (65.84 km/h) |
| 45 mph (72.42 km/h) | 46.03 mph (74.07 km/h) |
| 50 mph (80.47 km/h) | 51.14 mph (82.3 km/h) |
| 55 mph (88.51 km/h) | 56.25 mph (90.53 km/h) |
| 60 mph (96.56 km/h) | 61.37 mph (98.76 km/h) |
| 65 mph (104.61 km/h) | 66.48 mph (106.99 km/h) |
| 70 mph (112.65 km/h) | 71.59 mph (115.22 km/h) |
| 75 mph (120.7 km/h) | 76.71 mph (123.45 km/h) |
| 80 mph (128.75 km/h) | 81.82 mph (131.68 km/h) |
| 85 mph (136.79 km/h) | 86.94 mph (139.91 km/h) |
| 90 mph (144.84 km/h) | 92.05 mph (148.14 km/h) |
| 95 mph (152.89 km/h) | 97.16 mph (156.37 km/h) |
| 100 mph (160.93 km/h) | 102.28 mph (164.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1936 | 2249 | 2422 | 2529 | 2644 | 2726 | 2817 | 2924 | 3072 | 3221 | 3385 | 3517 | 3756 | 4019 | 4225 | 4357 | 4431 | 4703 | 5082 | 5906 |
Better Fuel Economy Factory Ratios Increased Power
