Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/35-20 | 225/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.48 (672.5) | 26.2 (665.5) | -0.28 (-7) -1% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 83.18 (2112.72) | 82.31 (2090.73) | -0.87 (-21.99) -1% |
| Sidewall Height inches (mm) | 3.24 (82.25) | 3.1 (78.75) | -0.14 (-3.5) -4.3% |
| Revolutions per mile (km) | 761.74 (473.32) | 769.75 (478.3) | 8.01 (4.98) 1.1% |
225/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.85 km/h) |
| 25 mph (40.23 km/h) | 24.74 mph (39.81 km/h) |
| 30 mph (48.28 km/h) | 29.69 mph (47.78 km/h) |
| 35 mph (56.33 km/h) | 34.64 mph (55.74 km/h) |
| 40 mph (64.37 km/h) | 39.58 mph (63.7 km/h) |
| 45 mph (72.42 km/h) | 44.53 mph (71.67 km/h) |
| 50 mph (80.47 km/h) | 49.48 mph (79.63 km/h) |
| 55 mph (88.51 km/h) | 54.43 mph (87.59 km/h) |
| 60 mph (96.56 km/h) | 59.38 mph (95.56 km/h) |
| 65 mph (104.61 km/h) | 64.32 mph (103.52 km/h) |
| 70 mph (112.65 km/h) | 69.27 mph (111.48 km/h) |
| 75 mph (120.7 km/h) | 74.22 mph (119.44 km/h) |
| 80 mph (128.75 km/h) | 79.17 mph (127.41 km/h) |
| 85 mph (136.79 km/h) | 84.12 mph (135.37 km/h) |
| 90 mph (144.84 km/h) | 89.06 mph (143.33 km/h) |
| 95 mph (152.89 km/h) | 94.01 mph (151.3 km/h) |
| 100 mph (160.93 km/h) | 98.96 mph (159.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1959 | 2276 | 2451 | 2559 | 2676 | 2759 | 2851 | 2959 | 3109 | 3259 | 3426 | 3559 | 3801 | 4068 | 4276 | 4410 | 4485 | 4760 | 5143 | 5977 |
Better Fuel Economy Factory Ratios Increased Power
