Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/60-18 | 215/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.69 (703.2) | 26.46 (672.2) | -1.22 (-31) -4.4% |
| Width inches (mm) | 8.07 (205) | 8.46 (215) | 0.39 (10) 4.9% |
| Circum. inches (mm) | 86.98 (2209.17) | 83.14 (2111.78) | -3.83 (-97.39) -4.4% |
| Sidewall Height inches (mm) | 4.84 (123) | 4.23 (107.5) | -0.61 (-15.5) -12.6% |
| Revolutions per mile (km) | 728.48 (452.66) | 762.08 (473.53) | 33.6 (20.88) 4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.12 mph (30.77 km/h) |
| 25 mph (40.23 km/h) | 23.9 mph (38.46 km/h) |
| 30 mph (48.28 km/h) | 28.68 mph (46.15 km/h) |
| 35 mph (56.33 km/h) | 33.46 mph (53.84 km/h) |
| 40 mph (64.37 km/h) | 38.24 mph (61.54 km/h) |
| 45 mph (72.42 km/h) | 43.02 mph (69.23 km/h) |
| 50 mph (80.47 km/h) | 47.8 mph (76.92 km/h) |
| 55 mph (88.51 km/h) | 52.58 mph (84.61 km/h) |
| 60 mph (96.56 km/h) | 57.35 mph (92.3 km/h) |
| 65 mph (104.61 km/h) | 62.13 mph (100 km/h) |
| 70 mph (112.65 km/h) | 66.91 mph (107.69 km/h) |
| 75 mph (120.7 km/h) | 71.69 mph (115.38 km/h) |
| 80 mph (128.75 km/h) | 76.47 mph (123.07 km/h) |
| 85 mph (136.79 km/h) | 81.25 mph (130.76 km/h) |
| 90 mph (144.84 km/h) | 86.03 mph (138.46 km/h) |
| 95 mph (152.89 km/h) | 90.81 mph (146.15 km/h) |
| 100 mph (160.93 km/h) | 95.59 mph (153.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1939 | 2253 | 2426 | 2534 | 2649 | 2732 | 2822 | 2930 | 3078 | 3227 | 3392 | 3524 | 3763 | 4027 | 4234 | 4366 | 4440 | 4712 | 5092 | 5917 |
Better Fuel Economy Factory Ratios Increased Power
