Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 235/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 28.95 (735.4) | -1.45 (-36.8) -4.8% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 95.51 (2425.94) | 90.96 (2310.33) | -4.55 (-115.61) -4.8% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.48 (164.5) | 0.28 (7) 4.4% |
| Revolutions per mile (km) | 663.39 (412.21) | 696.59 (432.84) | 33.2 (20.63) 5% |
235/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.05 mph (30.65 km/h) |
| 25 mph (40.23 km/h) | 23.81 mph (38.32 km/h) |
| 30 mph (48.28 km/h) | 28.57 mph (45.98 km/h) |
| 35 mph (56.33 km/h) | 33.33 mph (53.64 km/h) |
| 40 mph (64.37 km/h) | 38.09 mph (61.31 km/h) |
| 45 mph (72.42 km/h) | 42.86 mph (68.97 km/h) |
| 50 mph (80.47 km/h) | 47.62 mph (76.63 km/h) |
| 55 mph (88.51 km/h) | 52.38 mph (84.3 km/h) |
| 60 mph (96.56 km/h) | 57.14 mph (91.96 km/h) |
| 65 mph (104.61 km/h) | 61.9 mph (99.62 km/h) |
| 70 mph (112.65 km/h) | 66.66 mph (107.29 km/h) |
| 75 mph (120.7 km/h) | 71.43 mph (114.95 km/h) |
| 80 mph (128.75 km/h) | 76.19 mph (122.61 km/h) |
| 85 mph (136.79 km/h) | 80.95 mph (130.28 km/h) |
| 90 mph (144.84 km/h) | 85.71 mph (137.94 km/h) |
| 95 mph (152.89 km/h) | 90.47 mph (145.6 km/h) |
| 100 mph (160.93 km/h) | 95.23 mph (153.27 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 |
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