Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 165/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 22.44 (570.1) | -2.02 (-51.4) -8.3% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 76.87 (1952.5) | 70.51 (1791.02) | -6.36 (-161.48) -8.3% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 4.22 (107.25) | -0.51 (-13) -10.8% |
| Revolutions per mile (km) | 824.25 (512.16) | 898.56 (558.34) | 74.31 (46.18) 9% |
165/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.35 mph (29.52 km/h) |
| 25 mph (40.23 km/h) | 22.93 mph (36.91 km/h) |
| 30 mph (48.28 km/h) | 27.52 mph (44.29 km/h) |
| 35 mph (56.33 km/h) | 32.11 mph (51.67 km/h) |
| 40 mph (64.37 km/h) | 36.69 mph (59.05 km/h) |
| 45 mph (72.42 km/h) | 41.28 mph (66.43 km/h) |
| 50 mph (80.47 km/h) | 45.86 mph (73.81 km/h) |
| 55 mph (88.51 km/h) | 50.45 mph (81.19 km/h) |
| 60 mph (96.56 km/h) | 55.04 mph (88.57 km/h) |
| 65 mph (104.61 km/h) | 59.62 mph (95.96 km/h) |
| 70 mph (112.65 km/h) | 64.21 mph (103.34 km/h) |
| 75 mph (120.7 km/h) | 68.8 mph (110.72 km/h) |
| 80 mph (128.75 km/h) | 73.38 mph (118.1 km/h) |
| 85 mph (136.79 km/h) | 77.97 mph (125.48 km/h) |
| 90 mph (144.84 km/h) | 82.56 mph (132.86 km/h) |
| 95 mph (152.89 km/h) | 87.14 mph (140.24 km/h) |
| 100 mph (160.93 km/h) | 91.73 mph (147.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2287 | 2656 | 2861 | 2987 | 3123 | 3221 | 3328 | 3454 | 3629 | 3805 | 3999 | 4155 | 4437 | 4748 | 4992 | 5147 | 5235 | 5556 | 6004 | 6977 |
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