Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 270/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 32.01 (813) | -0.93 (-23.52) -2.8% |
| Width inches (mm) | 11.5 (292) | 10.63 (270) | -0.87 (-22) -7.5% |
| Circum. inches (mm) | 103.46 (2628.01) | 100.56 (2554.11) | -2.91 (-73.89) -2.8% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.5 (216) | -0.46 (-11.76) -5.2% |
| Revolutions per mile (km) | 612.38 (380.52) | 630.1 (391.52) | 17.72 (11.01) 2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.44 mph (31.28 km/h) |
| 25 mph (40.23 km/h) | 24.3 mph (39.1 km/h) |
| 30 mph (48.28 km/h) | 29.16 mph (46.92 km/h) |
| 35 mph (56.33 km/h) | 34.02 mph (54.74 km/h) |
| 40 mph (64.37 km/h) | 38.88 mph (62.56 km/h) |
| 45 mph (72.42 km/h) | 43.73 mph (70.38 km/h) |
| 50 mph (80.47 km/h) | 48.59 mph (78.2 km/h) |
| 55 mph (88.51 km/h) | 53.45 mph (86.03 km/h) |
| 60 mph (96.56 km/h) | 58.31 mph (93.85 km/h) |
| 65 mph (104.61 km/h) | 63.17 mph (101.67 km/h) |
| 70 mph (112.65 km/h) | 68.03 mph (109.49 km/h) |
| 75 mph (120.7 km/h) | 72.89 mph (117.31 km/h) |
| 80 mph (128.75 km/h) | 77.75 mph (125.13 km/h) |
| 85 mph (136.79 km/h) | 82.61 mph (132.95 km/h) |
| 90 mph (144.84 km/h) | 87.47 mph (140.77 km/h) |
| 95 mph (152.89 km/h) | 92.33 mph (148.59 km/h) |
| 100 mph (160.93 km/h) | 97.19 mph (156.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1863 | 2006 | 2095 | 2190 | 2259 | 2334 | 2422 | 2545 | 2668 | 2804 | 2914 | 3111 | 3330 | 3500 | 3610 | 3671 | 3896 | 4210 | 4892 |
Better Fuel Economy Factory Ratios Increased Power
