Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-16 | 265/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.73 (805.9) | 33.74 (856.9) | 2.01 (51) 6.3% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 99.68 (2531.81) | 105.99 (2692.03) | 6.31 (160.22) 6.3% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 8.87 (225.25) | 1 (25.5) 12.8% |
| Revolutions per mile (km) | 635.65 (394.97) | 597.82 (371.47) | -37.83 (-23.51) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.22 km/h) |
| 25 mph (40.23 km/h) | 26.58 mph (42.78 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.34 km/h) |
| 35 mph (56.33 km/h) | 37.21 mph (59.89 km/h) |
| 40 mph (64.37 km/h) | 42.53 mph (68.45 km/h) |
| 45 mph (72.42 km/h) | 47.85 mph (77 km/h) |
| 50 mph (80.47 km/h) | 53.16 mph (85.56 km/h) |
| 55 mph (88.51 km/h) | 58.48 mph (94.12 km/h) |
| 60 mph (96.56 km/h) | 63.8 mph (102.67 km/h) |
| 65 mph (104.61 km/h) | 69.11 mph (111.23 km/h) |
| 70 mph (112.65 km/h) | 74.43 mph (119.78 km/h) |
| 75 mph (120.7 km/h) | 79.75 mph (128.34 km/h) |
| 80 mph (128.75 km/h) | 85.06 mph (136.9 km/h) |
| 85 mph (136.79 km/h) | 90.38 mph (145.45 km/h) |
| 90 mph (144.84 km/h) | 95.7 mph (154.01 km/h) |
| 95 mph (152.89 km/h) | 101.01 mph (162.56 km/h) |
| 100 mph (160.93 km/h) | 106.33 mph (171.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1521 | 1767 | 1903 | 1987 | 2078 | 2143 | 2214 | 2298 | 2415 | 2531 | 2661 | 2764 | 2952 | 3159 | 3321 | 3425 | 3483 | 3697 | 3994 | 4642 |
Better Fuel Economy Factory Ratios Increased Power
