Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-16 | 235/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.71 (703.9) | 28.95 (735.4) | 1.24 (31.5) 4.5% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 87.06 (2211.37) | 90.96 (2310.33) | 3.9 (98.96) 4.5% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 6.48 (164.5) | 0.62 (15.75) 10.6% |
| Revolutions per mile (km) | 727.76 (452.21) | 696.59 (432.84) | -31.17 (-19.37) -4.3% |
235/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.9 mph (33.63 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.03 km/h) |
| 30 mph (48.28 km/h) | 31.34 mph (50.44 km/h) |
| 35 mph (56.33 km/h) | 36.57 mph (58.85 km/h) |
| 40 mph (64.37 km/h) | 41.79 mph (67.25 km/h) |
| 45 mph (72.42 km/h) | 47.01 mph (75.66 km/h) |
| 50 mph (80.47 km/h) | 52.24 mph (84.07 km/h) |
| 55 mph (88.51 km/h) | 57.46 mph (92.48 km/h) |
| 60 mph (96.56 km/h) | 62.69 mph (100.88 km/h) |
| 65 mph (104.61 km/h) | 67.91 mph (109.29 km/h) |
| 70 mph (112.65 km/h) | 73.13 mph (117.7 km/h) |
| 75 mph (120.7 km/h) | 78.36 mph (126.1 km/h) |
| 80 mph (128.75 km/h) | 83.58 mph (134.51 km/h) |
| 85 mph (136.79 km/h) | 88.8 mph (142.92 km/h) |
| 90 mph (144.84 km/h) | 94.03 mph (151.32 km/h) |
| 95 mph (152.89 km/h) | 99.25 mph (159.73 km/h) |
| 100 mph (160.93 km/h) | 104.48 mph (168.14 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
