Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-16 | 255/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.73 (805.9) | 27.04 (686.9) | -4.69 (-119) -14.8% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 99.68 (2531.81) | 84.96 (2157.96) | -14.72 (-373.85) -14.8% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 5.52 (140.25) | -2.34 (-59.5) -29.8% |
| Revolutions per mile (km) | 635.65 (394.97) | 745.77 (463.4) | 110.12 (68.43) 17.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.05 mph (27.43 km/h) |
| 25 mph (40.23 km/h) | 21.31 mph (34.29 km/h) |
| 30 mph (48.28 km/h) | 25.57 mph (41.15 km/h) |
| 35 mph (56.33 km/h) | 29.83 mph (48.01 km/h) |
| 40 mph (64.37 km/h) | 34.09 mph (54.87 km/h) |
| 45 mph (72.42 km/h) | 38.36 mph (61.73 km/h) |
| 50 mph (80.47 km/h) | 42.62 mph (68.59 km/h) |
| 55 mph (88.51 km/h) | 46.88 mph (75.44 km/h) |
| 60 mph (96.56 km/h) | 51.14 mph (82.3 km/h) |
| 65 mph (104.61 km/h) | 55.4 mph (89.16 km/h) |
| 70 mph (112.65 km/h) | 59.66 mph (96.02 km/h) |
| 75 mph (120.7 km/h) | 63.93 mph (102.88 km/h) |
| 80 mph (128.75 km/h) | 68.19 mph (109.74 km/h) |
| 85 mph (136.79 km/h) | 72.45 mph (116.6 km/h) |
| 90 mph (144.84 km/h) | 76.71 mph (123.45 km/h) |
| 95 mph (152.89 km/h) | 80.97 mph (130.31 km/h) |
| 100 mph (160.93 km/h) | 85.23 mph (137.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2205 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3158 | 3319 | 3448 | 3683 | 3941 | 4143 | 4272 | 4345 | 4611 | 4983 | 5790 |
Better Fuel Economy Factory Ratios Increased Power
