Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-16 | 185/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.08 (662.4) | 25.47 (646.9) | -0.61 (-15.5) -2.3% |
| Width inches (mm) | 6.3 (160) | 7.28 (185) | 0.98 (25) 15.6% |
| Circum. inches (mm) | 81.93 (2080.99) | 80.01 (2032.3) | -1.92 (-48.69) -2.3% |
| Sidewall Height inches (mm) | 5.04 (128) | 4.73 (120.25) | -0.31 (-7.75) -6.1% |
| Revolutions per mile (km) | 773.35 (480.54) | 791.88 (492.05) | 18.53 (11.51) 2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.53 mph (31.43 km/h) |
| 25 mph (40.23 km/h) | 24.42 mph (39.29 km/h) |
| 30 mph (48.28 km/h) | 29.3 mph (47.15 km/h) |
| 35 mph (56.33 km/h) | 34.18 mph (55.01 km/h) |
| 40 mph (64.37 km/h) | 39.06 mph (62.87 km/h) |
| 45 mph (72.42 km/h) | 43.95 mph (70.73 km/h) |
| 50 mph (80.47 km/h) | 48.83 mph (78.58 km/h) |
| 55 mph (88.51 km/h) | 53.71 mph (86.44 km/h) |
| 60 mph (96.56 km/h) | 58.6 mph (94.3 km/h) |
| 65 mph (104.61 km/h) | 63.48 mph (102.16 km/h) |
| 70 mph (112.65 km/h) | 68.36 mph (110.02 km/h) |
| 75 mph (120.7 km/h) | 73.25 mph (117.88 km/h) |
| 80 mph (128.75 km/h) | 78.13 mph (125.74 km/h) |
| 85 mph (136.79 km/h) | 83.01 mph (133.59 km/h) |
| 90 mph (144.84 km/h) | 87.89 mph (141.45 km/h) |
| 95 mph (152.89 km/h) | 92.78 mph (149.31 km/h) |
| 100 mph (160.93 km/h) | 97.66 mph (157.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 2341 | 2521 | 2633 | 2753 | 2838 | 2933 | 3044 | 3199 | 3353 | 3524 | 3662 | 3910 | 4185 | 4399 | 4536 | 4614 | 4896 | 5291 | 6148 |
Better Fuel Economy Factory Ratios Increased Power
