Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-14 | 205/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 25.3 (642.6) | -0.35 (-9) -1.4% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 80.59 (2047.06) | 79.48 (2018.79) | -1.11 (-28.27) -1.4% |
| Sidewall Height inches (mm) | 5.83 (148) | 5.65 (143.5) | -0.18 (-4.5) -3% |
| Revolutions per mile (km) | 786.17 (488.5) | 797.18 (495.35) | 11.01 (6.84) 1.4% |
205/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.72 mph (31.74 km/h) |
| 25 mph (40.23 km/h) | 24.65 mph (39.68 km/h) |
| 30 mph (48.28 km/h) | 29.59 mph (47.61 km/h) |
| 35 mph (56.33 km/h) | 34.52 mph (55.55 km/h) |
| 40 mph (64.37 km/h) | 39.45 mph (63.48 km/h) |
| 45 mph (72.42 km/h) | 44.38 mph (71.42 km/h) |
| 50 mph (80.47 km/h) | 49.31 mph (79.36 km/h) |
| 55 mph (88.51 km/h) | 54.24 mph (87.29 km/h) |
| 60 mph (96.56 km/h) | 59.17 mph (95.23 km/h) |
| 65 mph (104.61 km/h) | 64.1 mph (103.16 km/h) |
| 70 mph (112.65 km/h) | 69.03 mph (111.1 km/h) |
| 75 mph (120.7 km/h) | 73.96 mph (119.03 km/h) |
| 80 mph (128.75 km/h) | 78.9 mph (126.97 km/h) |
| 85 mph (136.79 km/h) | 83.83 mph (134.91 km/h) |
| 90 mph (144.84 km/h) | 88.76 mph (142.84 km/h) |
| 95 mph (152.89 km/h) | 93.69 mph (150.78 km/h) |
| 100 mph (160.93 km/h) | 98.62 mph (158.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2029 | 2357 | 2538 | 2650 | 2771 | 2857 | 2952 | 3065 | 3220 | 3375 | 3548 | 3686 | 3937 | 4213 | 4429 | 4567 | 4644 | 4929 | 5326 | 6190 |
Better Fuel Economy Factory Ratios Increased Power
