Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/80-16 | 185/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.28 (718.4) | 27.65 (702.4) | -0.63 (-16) -2.2% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 88.86 (2256.92) | 86.88 (2206.65) | -1.98 (-50.27) -2.2% |
| Sidewall Height inches (mm) | 6.14 (156) | 5.83 (148) | -0.31 (-8) -5.1% |
| Revolutions per mile (km) | 713.07 (443.08) | 729.31 (453.17) | 16.24 (10.09) 2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.47 km/h) |
| 25 mph (40.23 km/h) | 24.44 mph (39.34 km/h) |
| 30 mph (48.28 km/h) | 29.33 mph (47.21 km/h) |
| 35 mph (56.33 km/h) | 34.22 mph (55.07 km/h) |
| 40 mph (64.37 km/h) | 39.11 mph (62.94 km/h) |
| 45 mph (72.42 km/h) | 44 mph (70.81 km/h) |
| 50 mph (80.47 km/h) | 48.89 mph (78.68 km/h) |
| 55 mph (88.51 km/h) | 53.78 mph (86.54 km/h) |
| 60 mph (96.56 km/h) | 58.66 mph (94.41 km/h) |
| 65 mph (104.61 km/h) | 63.55 mph (102.28 km/h) |
| 70 mph (112.65 km/h) | 68.44 mph (110.15 km/h) |
| 75 mph (120.7 km/h) | 73.33 mph (118.01 km/h) |
| 80 mph (128.75 km/h) | 78.22 mph (125.88 km/h) |
| 85 mph (136.79 km/h) | 83.11 mph (133.75 km/h) |
| 90 mph (144.84 km/h) | 88 mph (141.62 km/h) |
| 95 mph (152.89 km/h) | 92.88 mph (149.48 km/h) |
| 100 mph (160.93 km/h) | 97.77 mph (157.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1856 | 2156 | 2322 | 2425 | 2535 | 2614 | 2701 | 2804 | 2946 | 3088 | 3246 | 3372 | 3601 | 3854 | 4052 | 4178 | 4249 | 4510 | 4873 | 5663 |
Better Fuel Economy Factory Ratios Increased Power
