Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-16 | 185/100-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.33 (668.9) | 30.57 (776.4) | 4.23 (107.5) 16.1% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 82.73 (2101.41) | 96.03 (2439.13) | 13.3 (337.72) 16.1% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 7.28 (185) | 2.12 (53.75) 41% |
| Revolutions per mile (km) | 765.84 (475.87) | 659.8 (409.98) | -106.04 (-65.89) -13.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.21 mph (37.36 km/h) |
| 25 mph (40.23 km/h) | 29.02 mph (46.7 km/h) |
| 30 mph (48.28 km/h) | 34.82 mph (56.04 km/h) |
| 35 mph (56.33 km/h) | 40.62 mph (65.38 km/h) |
| 40 mph (64.37 km/h) | 46.43 mph (74.72 km/h) |
| 45 mph (72.42 km/h) | 52.23 mph (84.06 km/h) |
| 50 mph (80.47 km/h) | 58.04 mph (93.4 km/h) |
| 55 mph (88.51 km/h) | 63.84 mph (102.74 km/h) |
| 60 mph (96.56 km/h) | 69.64 mph (112.08 km/h) |
| 65 mph (104.61 km/h) | 75.45 mph (121.42 km/h) |
| 70 mph (112.65 km/h) | 81.25 mph (130.76 km/h) |
| 75 mph (120.7 km/h) | 87.05 mph (140.1 km/h) |
| 80 mph (128.75 km/h) | 92.86 mph (149.44 km/h) |
| 85 mph (136.79 km/h) | 98.66 mph (158.78 km/h) |
| 90 mph (144.84 km/h) | 104.46 mph (168.12 km/h) |
| 95 mph (152.89 km/h) | 110.27 mph (177.46 km/h) |
| 100 mph (160.93 km/h) | 116.07 mph (186.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1679 | 1951 | 2101 | 2194 | 2294 | 2365 | 2444 | 2536 | 2665 | 2794 | 2937 | 3051 | 3258 | 3487 | 3665 | 3780 | 3844 | 4080 | 4408 | 5123 |
Better Fuel Economy Factory Ratios Increased Power
