Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-12 | 215/35-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.46 (519.8) | 17.93 (455.3) | -2.54 (-64.5) -12.4% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 64.29 (1633) | 56.31 (1430.37) | -7.98 (-202.63) -12.4% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 2.96 (75.25) | -1.27 (-32.25) -30% |
| Revolutions per mile (km) | 985.51 (612.37) | 1125.13 (699.12) | 139.61 (86.75) 14.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.52 mph (28.19 km/h) |
| 25 mph (40.23 km/h) | 21.9 mph (35.24 km/h) |
| 30 mph (48.28 km/h) | 26.28 mph (42.29 km/h) |
| 35 mph (56.33 km/h) | 30.66 mph (49.34 km/h) |
| 40 mph (64.37 km/h) | 35.04 mph (56.39 km/h) |
| 45 mph (72.42 km/h) | 39.42 mph (63.43 km/h) |
| 50 mph (80.47 km/h) | 43.8 mph (70.48 km/h) |
| 55 mph (88.51 km/h) | 48.18 mph (77.53 km/h) |
| 60 mph (96.56 km/h) | 52.55 mph (84.58 km/h) |
| 65 mph (104.61 km/h) | 56.93 mph (91.63 km/h) |
| 70 mph (112.65 km/h) | 61.31 mph (98.68 km/h) |
| 75 mph (120.7 km/h) | 65.69 mph (105.72 km/h) |
| 80 mph (128.75 km/h) | 70.07 mph (112.77 km/h) |
| 85 mph (136.79 km/h) | 74.45 mph (119.82 km/h) |
| 90 mph (144.84 km/h) | 78.83 mph (126.87 km/h) |
| 95 mph (152.89 km/h) | 83.21 mph (133.92 km/h) |
| 100 mph (160.93 km/h) | 87.59 mph (140.96 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
