Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/35-20 | 225/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.03 (686.5) | 26.2 (665.5) | -0.83 (-21) -3.1% |
| Width inches (mm) | 10.04 (255) | 8.86 (225) | -1.18 (-30) -11.8% |
| Circum. inches (mm) | 84.91 (2156.7) | 82.31 (2090.73) | -2.6 (-65.97) -3.1% |
| Sidewall Height inches (mm) | 3.51 (89.25) | 3.1 (78.75) | -0.41 (-10.5) -11.8% |
| Revolutions per mile (km) | 746.21 (463.67) | 769.75 (478.3) | 23.55 (14.63) 3.2% |
225/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.8 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.6 km/h) |
| 40 mph (64.37 km/h) | 38.78 mph (62.4 km/h) |
| 45 mph (72.42 km/h) | 43.62 mph (70.21 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78.01 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.81 km/h) |
| 60 mph (96.56 km/h) | 58.16 mph (93.61 km/h) |
| 65 mph (104.61 km/h) | 63.01 mph (101.41 km/h) |
| 70 mph (112.65 km/h) | 67.86 mph (109.21 km/h) |
| 75 mph (120.7 km/h) | 72.71 mph (117.01 km/h) |
| 80 mph (128.75 km/h) | 77.55 mph (124.81 km/h) |
| 85 mph (136.79 km/h) | 82.4 mph (132.61 km/h) |
| 90 mph (144.84 km/h) | 87.25 mph (140.41 km/h) |
| 95 mph (152.89 km/h) | 92.09 mph (148.21 km/h) |
| 100 mph (160.93 km/h) | 96.94 mph (156.01 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
