Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 185/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 27.2 (690.8) | -0.55 (-14) -2% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 87.17 (2214.19) | 85.44 (2170.21) | -1.73 (-43.98) -2% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 5.1 (129.5) | -0.28 (-7) -5.1% |
| Revolutions per mile (km) | 726.83 (451.63) | 741.56 (460.78) | 14.73 (9.15) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.55 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.32 km/h) |
| 35 mph (56.33 km/h) | 34.3 mph (55.21 km/h) |
| 40 mph (64.37 km/h) | 39.21 mph (63.1 km/h) |
| 45 mph (72.42 km/h) | 44.11 mph (70.98 km/h) |
| 50 mph (80.47 km/h) | 49.01 mph (78.87 km/h) |
| 55 mph (88.51 km/h) | 53.91 mph (86.76 km/h) |
| 60 mph (96.56 km/h) | 58.81 mph (94.64 km/h) |
| 65 mph (104.61 km/h) | 63.71 mph (102.53 km/h) |
| 70 mph (112.65 km/h) | 68.61 mph (110.42 km/h) |
| 75 mph (120.7 km/h) | 73.51 mph (118.3 km/h) |
| 80 mph (128.75 km/h) | 78.41 mph (126.19 km/h) |
| 85 mph (136.79 km/h) | 83.31 mph (134.08 km/h) |
| 90 mph (144.84 km/h) | 88.21 mph (141.96 km/h) |
| 95 mph (152.89 km/h) | 93.11 mph (149.85 km/h) |
| 100 mph (160.93 km/h) | 98.01 mph (157.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1887 | 2192 | 2361 | 2465 | 2578 | 2658 | 2746 | 2851 | 2995 | 3140 | 3300 | 3429 | 3662 | 3919 | 4120 | 4248 | 4320 | 4585 | 4955 | 5758 |
Better Fuel Economy Factory Ratios Increased Power
