Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-14 | 215/35-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 17.93 (455.3) | -3.16 (-80.3) -15% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 66.25 (1682.64) | 56.31 (1430.37) | -9.93 (-252.27) -15% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.96 (75.25) | -0.58 (-14.75) -16.4% |
| Revolutions per mile (km) | 956.44 (594.3) | 1125.13 (699.12) | 168.68 (104.82) 17.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17 mph (27.36 km/h) |
| 25 mph (40.23 km/h) | 21.25 mph (34.2 km/h) |
| 30 mph (48.28 km/h) | 25.5 mph (41.04 km/h) |
| 35 mph (56.33 km/h) | 29.75 mph (47.88 km/h) |
| 40 mph (64.37 km/h) | 34 mph (54.72 km/h) |
| 45 mph (72.42 km/h) | 38.25 mph (61.56 km/h) |
| 50 mph (80.47 km/h) | 42.5 mph (68.4 km/h) |
| 55 mph (88.51 km/h) | 46.75 mph (75.24 km/h) |
| 60 mph (96.56 km/h) | 51 mph (82.08 km/h) |
| 65 mph (104.61 km/h) | 55.25 mph (88.92 km/h) |
| 70 mph (112.65 km/h) | 59.51 mph (95.76 km/h) |
| 75 mph (120.7 km/h) | 63.76 mph (102.6 km/h) |
| 80 mph (128.75 km/h) | 68.01 mph (109.45 km/h) |
| 85 mph (136.79 km/h) | 72.26 mph (116.29 km/h) |
| 90 mph (144.84 km/h) | 76.51 mph (123.13 km/h) |
| 95 mph (152.89 km/h) | 80.76 mph (129.97 km/h) |
| 100 mph (160.93 km/h) | 85.01 mph (136.81 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
