Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-22.5 | 235/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.3 (947.5) | 35.45 (900.5) | -1.85 (-47) -5% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 117.19 (2976.66) | 111.38 (2829) | -5.81 (-147.65) -5% |
| Sidewall Height inches (mm) | 7.4 (188) | 6.48 (164.5) | -0.93 (-23.5) -12.5% |
| Revolutions per mile (km) | 540.65 (335.95) | 568.87 (353.48) | 28.22 (17.53) 5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.01 mph (30.59 km/h) |
| 25 mph (40.23 km/h) | 23.76 mph (38.24 km/h) |
| 30 mph (48.28 km/h) | 28.51 mph (45.89 km/h) |
| 35 mph (56.33 km/h) | 33.26 mph (53.53 km/h) |
| 40 mph (64.37 km/h) | 38.02 mph (61.18 km/h) |
| 45 mph (72.42 km/h) | 42.77 mph (68.83 km/h) |
| 50 mph (80.47 km/h) | 47.52 mph (76.48 km/h) |
| 55 mph (88.51 km/h) | 52.27 mph (84.12 km/h) |
| 60 mph (96.56 km/h) | 57.02 mph (91.77 km/h) |
| 65 mph (104.61 km/h) | 61.78 mph (99.42 km/h) |
| 70 mph (112.65 km/h) | 66.53 mph (107.07 km/h) |
| 75 mph (120.7 km/h) | 71.28 mph (114.71 km/h) |
| 80 mph (128.75 km/h) | 76.03 mph (122.36 km/h) |
| 85 mph (136.79 km/h) | 80.78 mph (130.01 km/h) |
| 90 mph (144.84 km/h) | 85.54 mph (137.66 km/h) |
| 95 mph (152.89 km/h) | 90.29 mph (145.3 km/h) |
| 100 mph (160.93 km/h) | 95.04 mph (152.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1448 | 1682 | 1811 | 1891 | 1977 | 2039 | 2107 | 2187 | 2298 | 2409 | 2532 | 2630 | 2809 | 3006 | 3160 | 3259 | 3314 | 3518 | 3801 | 4417 |
Better Fuel Economy Factory Ratios Increased Power
