Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 215/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 24.85 (631.2) | 3.88 (98.5) 18.5% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 78.07 (1982.97) | 12.18 (309.45) 18.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 5.93 (150.5) | 1.94 (49.25) 48.6% |
| Revolutions per mile (km) | 961.65 (597.54) | 811.58 (504.29) | -150.07 (-93.25) -15.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.7 mph (38.14 km/h) |
| 25 mph (40.23 km/h) | 29.62 mph (47.67 km/h) |
| 30 mph (48.28 km/h) | 35.55 mph (57.21 km/h) |
| 35 mph (56.33 km/h) | 41.47 mph (66.74 km/h) |
| 40 mph (64.37 km/h) | 47.4 mph (76.28 km/h) |
| 45 mph (72.42 km/h) | 53.32 mph (85.81 km/h) |
| 50 mph (80.47 km/h) | 59.25 mph (95.35 km/h) |
| 55 mph (88.51 km/h) | 65.17 mph (104.88 km/h) |
| 60 mph (96.56 km/h) | 71.09 mph (114.42 km/h) |
| 65 mph (104.61 km/h) | 77.02 mph (123.95 km/h) |
| 70 mph (112.65 km/h) | 82.94 mph (133.48 km/h) |
| 75 mph (120.7 km/h) | 88.87 mph (143.02 km/h) |
| 80 mph (128.75 km/h) | 94.79 mph (152.55 km/h) |
| 85 mph (136.79 km/h) | 100.72 mph (162.09 km/h) |
| 90 mph (144.84 km/h) | 106.64 mph (171.62 km/h) |
| 95 mph (152.89 km/h) | 112.57 mph (181.16 km/h) |
| 100 mph (160.93 km/h) | 118.49 mph (190.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2065 | 2399 | 2584 | 2698 | 2821 | 2909 | 3006 | 3120 | 3278 | 3436 | 3612 | 3753 | 4008 | 4289 | 4509 | 4649 | 4728 | 5018 | 5423 | 6301 |
Better Fuel Economy Factory Ratios Increased Power
