Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 165/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 23.44 (595.5) | -2.5 (-63.5) -9.6% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 81.51 (2070.31) | 73.65 (1870.82) | -7.85 (-199.49) -9.6% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 4.22 (107.25) | -1.75 (-44.45) -29.3% |
| Revolutions per mile (km) | 777.34 (483.02) | 860.24 (534.52) | 82.89 (51.51) 10.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.07 mph (29.09 km/h) |
| 25 mph (40.23 km/h) | 22.59 mph (36.36 km/h) |
| 30 mph (48.28 km/h) | 27.11 mph (43.63 km/h) |
| 35 mph (56.33 km/h) | 31.63 mph (50.9 km/h) |
| 40 mph (64.37 km/h) | 36.15 mph (58.17 km/h) |
| 45 mph (72.42 km/h) | 40.66 mph (65.44 km/h) |
| 50 mph (80.47 km/h) | 45.18 mph (72.71 km/h) |
| 55 mph (88.51 km/h) | 49.7 mph (79.99 km/h) |
| 60 mph (96.56 km/h) | 54.22 mph (87.26 km/h) |
| 65 mph (104.61 km/h) | 58.74 mph (94.53 km/h) |
| 70 mph (112.65 km/h) | 63.25 mph (101.8 km/h) |
| 75 mph (120.7 km/h) | 67.77 mph (109.07 km/h) |
| 80 mph (128.75 km/h) | 72.29 mph (116.34 km/h) |
| 85 mph (136.79 km/h) | 76.81 mph (123.61 km/h) |
| 90 mph (144.84 km/h) | 81.33 mph (130.88 km/h) |
| 95 mph (152.89 km/h) | 85.85 mph (138.16 km/h) |
| 100 mph (160.93 km/h) | 90.36 mph (145.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2189 | 2543 | 2739 | 2860 | 2990 | 3083 | 3186 | 3307 | 3475 | 3642 | 3829 | 3978 | 4248 | 4546 | 4779 | 4928 | 5012 | 5319 | 5748 | 6679 |
Better Fuel Economy Factory Ratios Increased Power
