Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 205/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 27.49 (698.3) | 1.11 (28.2) 4.2% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 82.88 (2105.18) | 86.37 (2193.77) | 3.49 (88.59) 4.2% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 5.25 (133.25) | -0.94 (-24) -15.3% |
| Revolutions per mile (km) | 764.47 (475.02) | 733.6 (455.83) | -30.87 (-19.18) -4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.54 km/h) |
| 25 mph (40.23 km/h) | 26.05 mph (41.93 km/h) |
| 30 mph (48.28 km/h) | 31.26 mph (50.31 km/h) |
| 35 mph (56.33 km/h) | 36.47 mph (58.7 km/h) |
| 40 mph (64.37 km/h) | 41.68 mph (67.08 km/h) |
| 45 mph (72.42 km/h) | 46.89 mph (75.47 km/h) |
| 50 mph (80.47 km/h) | 52.1 mph (83.85 km/h) |
| 55 mph (88.51 km/h) | 57.31 mph (92.24 km/h) |
| 60 mph (96.56 km/h) | 62.52 mph (100.62 km/h) |
| 65 mph (104.61 km/h) | 67.74 mph (109.01 km/h) |
| 70 mph (112.65 km/h) | 72.95 mph (117.4 km/h) |
| 75 mph (120.7 km/h) | 78.16 mph (125.78 km/h) |
| 80 mph (128.75 km/h) | 83.37 mph (134.17 km/h) |
| 85 mph (136.79 km/h) | 88.58 mph (142.55 km/h) |
| 90 mph (144.84 km/h) | 93.79 mph (150.94 km/h) |
| 95 mph (152.89 km/h) | 99 mph (159.32 km/h) |
| 100 mph (160.93 km/h) | 104.21 mph (167.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1867 | 2169 | 2336 | 2439 | 2550 | 2629 | 2717 | 2820 | 2963 | 3106 | 3265 | 3392 | 3623 | 3877 | 4075 | 4202 | 4274 | 4536 | 4902 | 5696 |
Better Fuel Economy Factory Ratios Increased Power
