Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-16 | 185/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.9) | 27.65 (702.4) | 0.73 (18.5) 2.7% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 84.59 (2148.54) | 86.88 (2206.65) | 2.29 (58.12) 2.7% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 5.83 (148) | 0.36 (9.25) 6.7% |
| Revolutions per mile (km) | 749.04 (465.43) | 729.31 (453.17) | -19.73 (-12.26) -2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.54 mph (33.06 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.32 km/h) |
| 30 mph (48.28 km/h) | 30.81 mph (49.59 km/h) |
| 35 mph (56.33 km/h) | 35.95 mph (57.85 km/h) |
| 40 mph (64.37 km/h) | 41.08 mph (66.12 km/h) |
| 45 mph (72.42 km/h) | 46.22 mph (74.38 km/h) |
| 50 mph (80.47 km/h) | 51.35 mph (82.64 km/h) |
| 55 mph (88.51 km/h) | 56.49 mph (90.91 km/h) |
| 60 mph (96.56 km/h) | 61.62 mph (99.17 km/h) |
| 65 mph (104.61 km/h) | 66.76 mph (107.44 km/h) |
| 70 mph (112.65 km/h) | 71.89 mph (115.7 km/h) |
| 75 mph (120.7 km/h) | 77.03 mph (123.97 km/h) |
| 80 mph (128.75 km/h) | 82.16 mph (132.23 km/h) |
| 85 mph (136.79 km/h) | 87.3 mph (140.49 km/h) |
| 90 mph (144.84 km/h) | 92.43 mph (148.76 km/h) |
| 95 mph (152.89 km/h) | 97.57 mph (157.02 km/h) |
| 100 mph (160.93 km/h) | 102.71 mph (165.29 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
