Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/70-12 | 205/20-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.8) | 19.23 (488.4) | -1.87 (-47.4) -8.8% |
| Width inches (mm) | 6.5 (165) | 8.07 (205) | 1.57 (40) 24.2% |
| Circum. inches (mm) | 66.27 (1683.27) | 60.41 (1534.35) | -5.86 (-148.91) -8.8% |
| Sidewall Height inches (mm) | 4.55 (115.5) | 1.61 (41) | -2.93 (-74.5) -64.5% |
| Revolutions per mile (km) | 956.08 (594.08) | 1048.87 (651.74) | 92.79 (57.66) 9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.23 mph (29.34 km/h) |
| 25 mph (40.23 km/h) | 22.79 mph (36.67 km/h) |
| 30 mph (48.28 km/h) | 27.35 mph (44.01 km/h) |
| 35 mph (56.33 km/h) | 31.9 mph (51.34 km/h) |
| 40 mph (64.37 km/h) | 36.46 mph (58.68 km/h) |
| 45 mph (72.42 km/h) | 41.02 mph (66.01 km/h) |
| 50 mph (80.47 km/h) | 45.58 mph (73.35 km/h) |
| 55 mph (88.51 km/h) | 50.13 mph (80.68 km/h) |
| 60 mph (96.56 km/h) | 54.69 mph (88.02 km/h) |
| 65 mph (104.61 km/h) | 59.25 mph (95.35 km/h) |
| 70 mph (112.65 km/h) | 63.81 mph (102.69 km/h) |
| 75 mph (120.7 km/h) | 68.37 mph (110.02 km/h) |
| 80 mph (128.75 km/h) | 72.92 mph (117.36 km/h) |
| 85 mph (136.79 km/h) | 77.48 mph (124.69 km/h) |
| 90 mph (144.84 km/h) | 82.04 mph (132.03 km/h) |
| 95 mph (152.89 km/h) | 86.6 mph (139.36 km/h) |
| 100 mph (160.93 km/h) | 91.15 mph (146.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
