Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 23.47 (596.1) | -2.46 (-62.5) -9.5% |
| Width inches (mm) | 12.01 (305) | 7.28 (185) | -4.72 (-120) -39.3% |
| Circum. inches (mm) | 81.46 (2069.05) | 73.73 (1872.7) | -7.73 (-196.35) -9.5% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 4.73 (120.25) | -2.23 (-56.65) -32% |
| Revolutions per mile (km) | 777.82 (483.31) | 859.37 (533.99) | 81.55 (50.67) 10.5% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.1 mph (29.13 km/h) |
| 25 mph (40.23 km/h) | 22.63 mph (36.42 km/h) |
| 30 mph (48.28 km/h) | 27.15 mph (43.7 km/h) |
| 35 mph (56.33 km/h) | 31.68 mph (50.98 km/h) |
| 40 mph (64.37 km/h) | 36.2 mph (58.26 km/h) |
| 45 mph (72.42 km/h) | 40.73 mph (65.55 km/h) |
| 50 mph (80.47 km/h) | 45.26 mph (72.83 km/h) |
| 55 mph (88.51 km/h) | 49.78 mph (80.11 km/h) |
| 60 mph (96.56 km/h) | 54.31 mph (87.4 km/h) |
| 65 mph (104.61 km/h) | 58.83 mph (94.68 km/h) |
| 70 mph (112.65 km/h) | 63.36 mph (101.96 km/h) |
| 75 mph (120.7 km/h) | 67.88 mph (109.25 km/h) |
| 80 mph (128.75 km/h) | 72.41 mph (116.53 km/h) |
| 85 mph (136.79 km/h) | 76.93 mph (123.81 km/h) |
| 90 mph (144.84 km/h) | 81.46 mph (131.1 km/h) |
| 95 mph (152.89 km/h) | 85.98 mph (138.38 km/h) |
| 100 mph (160.93 km/h) | 90.51 mph (145.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2187 | 2541 | 2736 | 2857 | 2987 | 3080 | 3183 | 3304 | 3471 | 3639 | 3825 | 3974 | 4244 | 4541 | 4774 | 4923 | 5007 | 5314 | 5742 | 6672 |
Better Fuel Economy Factory Ratios Increased Power
