Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/30-20 | 225/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 26.2 (665.5) | 1.12 (28.5) 4.5% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 78.79 (2001.19) | 82.31 (2090.73) | 3.53 (89.54) 4.5% |
| Sidewall Height inches (mm) | 2.54 (64.5) | 3.1 (78.75) | 0.56 (14.25) 22.1% |
| Revolutions per mile (km) | 804.19 (499.7) | 769.75 (478.3) | -34.44 (-21.4) -4.3% |
225/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 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 (92.47 km/h) |
| 60 mph (96.56 km/h) | 62.68 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 (117.69 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 (142.91 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) | 104.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
