Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/50-18 | 275/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.25 (692.2) | 27.58 (700.5) | 0.33 (8.3) 1.2% |
| Width inches (mm) | 9.25 (235) | 10.83 (275) | 1.57 (40) 17% |
| Circum. inches (mm) | 85.61 (2174.61) | 86.64 (2200.69) | 1.03 (26.08) 1.2% |
| Sidewall Height inches (mm) | 4.63 (117.5) | 3.79 (96.25) | -0.84 (-21.25) -18.1% |
| Revolutions per mile (km) | 740.06 (459.85) | 731.29 (454.4) | -8.77 (-5.45) -1.2% |
275/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.57 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.72 km/h) |
| 30 mph (48.28 km/h) | 30.36 mph (48.86 km/h) |
| 35 mph (56.33 km/h) | 35.42 mph (57 km/h) |
| 40 mph (64.37 km/h) | 40.48 mph (65.15 km/h) |
| 45 mph (72.42 km/h) | 45.54 mph (73.29 km/h) |
| 50 mph (80.47 km/h) | 50.6 mph (81.43 km/h) |
| 55 mph (88.51 km/h) | 55.66 mph (89.58 km/h) |
| 60 mph (96.56 km/h) | 60.72 mph (97.72 km/h) |
| 65 mph (104.61 km/h) | 65.78 mph (105.86 km/h) |
| 70 mph (112.65 km/h) | 70.84 mph (114.01 km/h) |
| 75 mph (120.7 km/h) | 75.9 mph (122.15 km/h) |
| 80 mph (128.75 km/h) | 80.96 mph (130.29 km/h) |
| 85 mph (136.79 km/h) | 86.02 mph (138.43 km/h) |
| 90 mph (144.84 km/h) | 91.08 mph (146.58 km/h) |
| 95 mph (152.89 km/h) | 96.14 mph (154.72 km/h) |
| 100 mph (160.93 km/h) | 101.2 mph (162.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1861 | 2162 | 2328 | 2431 | 2542 | 2621 | 2708 | 2811 | 2954 | 3096 | 3255 | 3381 | 3611 | 3865 | 4063 | 4189 | 4260 | 4522 | 4886 | 5678 |
Better Fuel Economy Factory Ratios Increased Power
