Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 185/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 28.65 (727.8) | 0.91 (23) 3.3% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 87.17 (2214.19) | 90.02 (2286.45) | 2.84 (72.26) 3.3% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 5.83 (148) | 0.45 (11.5) 8.4% |
| Revolutions per mile (km) | 726.83 (451.63) | 703.86 (437.36) | -22.97 (-14.27) -3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.65 mph (33.24 km/h) |
| 25 mph (40.23 km/h) | 25.82 mph (41.55 km/h) |
| 30 mph (48.28 km/h) | 30.98 mph (49.86 km/h) |
| 35 mph (56.33 km/h) | 36.14 mph (58.17 km/h) |
| 40 mph (64.37 km/h) | 41.31 mph (66.47 km/h) |
| 45 mph (72.42 km/h) | 46.47 mph (74.78 km/h) |
| 50 mph (80.47 km/h) | 51.63 mph (83.09 km/h) |
| 55 mph (88.51 km/h) | 56.79 mph (91.4 km/h) |
| 60 mph (96.56 km/h) | 61.96 mph (99.71 km/h) |
| 65 mph (104.61 km/h) | 67.12 mph (108.02 km/h) |
| 70 mph (112.65 km/h) | 72.28 mph (116.33 km/h) |
| 75 mph (120.7 km/h) | 77.45 mph (124.64 km/h) |
| 80 mph (128.75 km/h) | 82.61 mph (132.95 km/h) |
| 85 mph (136.79 km/h) | 87.77 mph (141.26 km/h) |
| 90 mph (144.84 km/h) | 92.94 mph (149.57 km/h) |
| 95 mph (152.89 km/h) | 98.1 mph (157.88 km/h) |
| 100 mph (160.93 km/h) | 103.26 mph (166.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1791 | 2081 | 2241 | 2340 | 2447 | 2523 | 2607 | 2706 | 2843 | 2980 | 3133 | 3255 | 3476 | 3720 | 3910 | 4032 | 4101 | 4352 | 4703 | 5465 |
Better Fuel Economy Factory Ratios Increased Power
