Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-15 | 200/30-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.77 (553) | 19.72 (501) | -2.05 (-52) -9.4% |
| Width inches (mm) | 8.46 (215) | 7.87 (200) | -0.59 (-15) -7% |
| Circum. inches (mm) | 68.4 (1737.3) | 61.97 (1573.94) | -6.43 (-163.36) -9.4% |
| Sidewall Height inches (mm) | 3.39 (86) | 2.36 (60) | -1.02 (-26) -30.2% |
| Revolutions per mile (km) | 926.35 (575.6) | 1022.5 (635.35) | 96.15 (59.74) 10.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.12 mph (29.16 km/h) |
| 25 mph (40.23 km/h) | 22.65 mph (36.45 km/h) |
| 30 mph (48.28 km/h) | 27.18 mph (43.74 km/h) |
| 35 mph (56.33 km/h) | 31.71 mph (51.03 km/h) |
| 40 mph (64.37 km/h) | 36.24 mph (58.32 km/h) |
| 45 mph (72.42 km/h) | 40.77 mph (65.61 km/h) |
| 50 mph (80.47 km/h) | 45.3 mph (72.9 km/h) |
| 55 mph (88.51 km/h) | 49.83 mph (80.19 km/h) |
| 60 mph (96.56 km/h) | 54.36 mph (87.48 km/h) |
| 65 mph (104.61 km/h) | 58.89 mph (94.77 km/h) |
| 70 mph (112.65 km/h) | 63.42 mph (102.06 km/h) |
| 75 mph (120.7 km/h) | 67.95 mph (109.35 km/h) |
| 80 mph (128.75 km/h) | 72.48 mph (116.64 km/h) |
| 85 mph (136.79 km/h) | 77.01 mph (123.93 km/h) |
| 90 mph (144.84 km/h) | 81.54 mph (131.22 km/h) |
| 95 mph (152.89 km/h) | 86.07 mph (138.51 km/h) |
| 100 mph (160.93 km/h) | 90.6 mph (145.8 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
