Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 235/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 28.95 (735.4) | 2.57 (65.3) 9.7% |
| Width inches (mm) | 7.28 (185) | 9.25 (235) | 1.97 (50) 27% |
| Circum. inches (mm) | 82.88 (2105.18) | 90.96 (2310.33) | 8.08 (205.15) 9.7% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 6.48 (164.5) | 0.29 (7.25) 4.6% |
| Revolutions per mile (km) | 764.47 (475.02) | 696.59 (432.84) | -67.88 (-42.18) -8.9% |
235/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.95 mph (35.32 km/h) |
| 25 mph (40.23 km/h) | 27.44 mph (44.15 km/h) |
| 30 mph (48.28 km/h) | 32.92 mph (52.99 km/h) |
| 35 mph (56.33 km/h) | 38.41 mph (61.82 km/h) |
| 40 mph (64.37 km/h) | 43.9 mph (70.65 km/h) |
| 45 mph (72.42 km/h) | 49.39 mph (79.48 km/h) |
| 50 mph (80.47 km/h) | 54.87 mph (88.31 km/h) |
| 55 mph (88.51 km/h) | 60.36 mph (97.14 km/h) |
| 60 mph (96.56 km/h) | 65.85 mph (105.97 km/h) |
| 65 mph (104.61 km/h) | 71.33 mph (114.8 km/h) |
| 70 mph (112.65 km/h) | 76.82 mph (123.63 km/h) |
| 75 mph (120.7 km/h) | 82.31 mph (132.46 km/h) |
| 80 mph (128.75 km/h) | 87.8 mph (141.29 km/h) |
| 85 mph (136.79 km/h) | 93.28 mph (150.12 km/h) |
| 90 mph (144.84 km/h) | 98.77 mph (158.96 km/h) |
| 95 mph (152.89 km/h) | 104.26 mph (167.79 km/h) |
| 100 mph (160.93 km/h) | 109.74 mph (176.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1773 | 2059 | 2218 | 2316 | 2421 | 2497 | 2580 | 2678 | 2814 | 2949 | 3100 | 3221 | 3440 | 3681 | 3870 | 3990 | 4058 | 4307 | 4654 | 5409 |
Better Fuel Economy Factory Ratios Increased Power
