Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-10 | 215/40-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.07 (459) | 18.77 (476.8) | 0.7 (17.8) 3.9% |
| Width inches (mm) | 8.07 (205) | 8.46 (215) | 0.39 (10) 4.9% |
| Circum. inches (mm) | 56.77 (1441.99) | 58.97 (1497.91) | 2.2 (55.92) 3.9% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 3.39 (86) | -0.65 (-16.5) -16.1% |
| Revolutions per mile (km) | 1116.06 (693.48) | 1074.39 (667.59) | -41.66 (-25.89) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.78 mph (33.44 km/h) |
| 25 mph (40.23 km/h) | 25.97 mph (41.79 km/h) |
| 30 mph (48.28 km/h) | 31.16 mph (50.15 km/h) |
| 35 mph (56.33 km/h) | 36.36 mph (58.51 km/h) |
| 40 mph (64.37 km/h) | 41.55 mph (66.87 km/h) |
| 45 mph (72.42 km/h) | 46.75 mph (75.23 km/h) |
| 50 mph (80.47 km/h) | 51.94 mph (83.59 km/h) |
| 55 mph (88.51 km/h) | 57.13 mph (91.95 km/h) |
| 60 mph (96.56 km/h) | 62.33 mph (100.31 km/h) |
| 65 mph (104.61 km/h) | 67.52 mph (108.66 km/h) |
| 70 mph (112.65 km/h) | 72.71 mph (117.02 km/h) |
| 75 mph (120.7 km/h) | 77.91 mph (125.38 km/h) |
| 80 mph (128.75 km/h) | 83.1 mph (133.74 km/h) |
| 85 mph (136.79 km/h) | 88.3 mph (142.1 km/h) |
| 90 mph (144.84 km/h) | 93.49 mph (150.46 km/h) |
| 95 mph (152.89 km/h) | 98.68 mph (158.82 km/h) |
| 100 mph (160.93 km/h) | 103.88 mph (167.18 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
