Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-19 | 205/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.4 (797.6) | 27.11 (688.5) | -4.3 (-109.1) -13.7% |
| Width inches (mm) | 8.86 (225) | 8.07 (205) | -0.79 (-20) -8.9% |
| Circum. inches (mm) | 98.65 (2505.73) | 85.16 (2162.99) | -13.49 (-342.75) -13.7% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.05 (153.75) | -0.15 (-3.75) -2.4% |
| Revolutions per mile (km) | 642.26 (399.08) | 744.04 (462.32) | 101.77 (63.24) 15.8% |
205/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.26 mph (27.78 km/h) |
| 25 mph (40.23 km/h) | 21.58 mph (34.73 km/h) |
| 30 mph (48.28 km/h) | 25.9 mph (41.68 km/h) |
| 35 mph (56.33 km/h) | 30.21 mph (48.62 km/h) |
| 40 mph (64.37 km/h) | 34.53 mph (55.57 km/h) |
| 45 mph (72.42 km/h) | 38.84 mph (62.51 km/h) |
| 50 mph (80.47 km/h) | 43.16 mph (69.46 km/h) |
| 55 mph (88.51 km/h) | 47.48 mph (76.41 km/h) |
| 60 mph (96.56 km/h) | 51.79 mph (83.35 km/h) |
| 65 mph (104.61 km/h) | 56.11 mph (90.3 km/h) |
| 70 mph (112.65 km/h) | 60.43 mph (97.24 km/h) |
| 75 mph (120.7 km/h) | 64.74 mph (104.19 km/h) |
| 80 mph (128.75 km/h) | 69.06 mph (111.14 km/h) |
| 85 mph (136.79 km/h) | 73.37 mph (118.08 km/h) |
| 90 mph (144.84 km/h) | 77.69 mph (125.03 km/h) |
| 95 mph (152.89 km/h) | 82.01 mph (131.98 km/h) |
| 100 mph (160.93 km/h) | 86.32 mph (138.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1893 | 2200 | 2369 | 2474 | 2586 | 2667 | 2756 | 2860 | 3005 | 3150 | 3311 | 3440 | 3674 | 3932 | 4133 | 4262 | 4335 | 4601 | 4971 | 5777 |
Better Fuel Economy Factory Ratios Increased Power
