Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-18 | 235/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.97 (659.7) | 28.95 (735.4) | 2.98 (75.7) 11.5% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 81.59 (2072.51) | 90.96 (2310.33) | 9.36 (237.82) 11.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 6.48 (164.5) | 2.49 (63.25) 62.5% |
| Revolutions per mile (km) | 776.52 (482.51) | 696.59 (432.84) | -79.93 (-49.67) -10.3% |
235/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.29 mph (35.88 km/h) |
| 25 mph (40.23 km/h) | 27.87 mph (44.85 km/h) |
| 30 mph (48.28 km/h) | 33.44 mph (53.82 km/h) |
| 35 mph (56.33 km/h) | 39.02 mph (62.79 km/h) |
| 40 mph (64.37 km/h) | 44.59 mph (71.76 km/h) |
| 45 mph (72.42 km/h) | 50.16 mph (80.73 km/h) |
| 50 mph (80.47 km/h) | 55.74 mph (89.7 km/h) |
| 55 mph (88.51 km/h) | 61.31 mph (98.67 km/h) |
| 60 mph (96.56 km/h) | 66.88 mph (107.64 km/h) |
| 65 mph (104.61 km/h) | 72.46 mph (116.61 km/h) |
| 70 mph (112.65 km/h) | 78.03 mph (125.58 km/h) |
| 75 mph (120.7 km/h) | 83.61 mph (134.55 km/h) |
| 80 mph (128.75 km/h) | 89.18 mph (143.52 km/h) |
| 85 mph (136.79 km/h) | 94.75 mph (152.49 km/h) |
| 90 mph (144.84 km/h) | 100.33 mph (161.46 km/h) |
| 95 mph (152.89 km/h) | 105.9 mph (170.43 km/h) |
| 100 mph (160.93 km/h) | 111.47 mph (179.4 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
