Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-15 | 195/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.33 (643.5) | 26.52 (673.5) | 1.18 (30) 4.7% |
| Width inches (mm) | 6.89 (175) | 7.68 (195) | 0.79 (20) 11.4% |
| Circum. inches (mm) | 79.59 (2021.61) | 83.3 (2115.86) | 3.71 (94.25) 4.7% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 5.76 (146.25) | 0.59 (15) 11.4% |
| Revolutions per mile (km) | 796.07 (494.65) | 760.61 (472.62) | -35.46 (-22.03) -4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.93 mph (33.69 km/h) |
| 25 mph (40.23 km/h) | 26.17 mph (42.11 km/h) |
| 30 mph (48.28 km/h) | 31.4 mph (50.53 km/h) |
| 35 mph (56.33 km/h) | 36.63 mph (58.95 km/h) |
| 40 mph (64.37 km/h) | 41.86 mph (67.37 km/h) |
| 45 mph (72.42 km/h) | 47.1 mph (75.8 km/h) |
| 50 mph (80.47 km/h) | 52.33 mph (84.22 km/h) |
| 55 mph (88.51 km/h) | 57.56 mph (92.64 km/h) |
| 60 mph (96.56 km/h) | 62.8 mph (101.06 km/h) |
| 65 mph (104.61 km/h) | 68.03 mph (109.48 km/h) |
| 70 mph (112.65 km/h) | 73.26 mph (117.91 km/h) |
| 75 mph (120.7 km/h) | 78.5 mph (126.33 km/h) |
| 80 mph (128.75 km/h) | 83.73 mph (134.75 km/h) |
| 85 mph (136.79 km/h) | 88.96 mph (143.17 km/h) |
| 90 mph (144.84 km/h) | 94.2 mph (151.59 km/h) |
| 95 mph (152.89 km/h) | 99.43 mph (160.02 km/h) |
| 100 mph (160.93 km/h) | 104.66 mph (168.44 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
