Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-14 | 215/40-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.68 (550.6) | 18.77 (476.8) | -2.91 (-73.8) -13.4% |
| Width inches (mm) | 7.68 (195) | 8.46 (215) | 0.79 (20) 10.3% |
| Circum. inches (mm) | 68.1 (1729.76) | 58.97 (1497.91) | -9.13 (-231.85) -13.4% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 3.39 (86) | -0.45 (-11.5) -11.8% |
| Revolutions per mile (km) | 930.39 (578.11) | 1074.39 (667.59) | 144.01 (89.48) 15.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.32 mph (27.87 km/h) |
| 25 mph (40.23 km/h) | 21.65 mph (34.84 km/h) |
| 30 mph (48.28 km/h) | 25.98 mph (41.81 km/h) |
| 35 mph (56.33 km/h) | 30.31 mph (48.78 km/h) |
| 40 mph (64.37 km/h) | 34.64 mph (55.75 km/h) |
| 45 mph (72.42 km/h) | 38.97 mph (62.71 km/h) |
| 50 mph (80.47 km/h) | 43.3 mph (69.68 km/h) |
| 55 mph (88.51 km/h) | 47.63 mph (76.65 km/h) |
| 60 mph (96.56 km/h) | 51.96 mph (83.62 km/h) |
| 65 mph (104.61 km/h) | 56.29 mph (90.59 km/h) |
| 70 mph (112.65 km/h) | 60.62 mph (97.55 km/h) |
| 75 mph (120.7 km/h) | 64.95 mph (104.52 km/h) |
| 80 mph (128.75 km/h) | 69.28 mph (111.49 km/h) |
| 85 mph (136.79 km/h) | 73.61 mph (118.46 km/h) |
| 90 mph (144.84 km/h) | 77.94 mph (125.43 km/h) |
| 95 mph (152.89 km/h) | 82.27 mph (132.4 km/h) |
| 100 mph (160.93 km/h) | 86.6 mph (139.36 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
