Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 27/8.5-15 | 215/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.08 (687.72) | 25.16 (639) | -1.92 (-48.72) -7.1% |
| Width inches (mm) | 8.5 (216) | 8.46 (215) | -0.04 (-1) -0.5% |
| Circum. inches (mm) | 85.06 (2160.54) | 79.03 (2007.48) | -6.03 (-153.06) -7.1% |
| Sidewall Height inches (mm) | 6.04 (153.36) | 5.08 (129) | -0.96 (-24.36) -15.9% |
| Revolutions per mile (km) | 744.88 (462.85) | 801.67 (498.14) | 56.79 (35.29) 7.6% |
215/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.58 mph (29.91 km/h) |
| 25 mph (40.23 km/h) | 23.23 mph (37.38 km/h) |
| 30 mph (48.28 km/h) | 27.87 mph (44.86 km/h) |
| 35 mph (56.33 km/h) | 32.52 mph (52.34 km/h) |
| 40 mph (64.37 km/h) | 37.17 mph (59.81 km/h) |
| 45 mph (72.42 km/h) | 41.81 mph (67.29 km/h) |
| 50 mph (80.47 km/h) | 46.46 mph (74.77 km/h) |
| 55 mph (88.51 km/h) | 51.1 mph (82.24 km/h) |
| 60 mph (96.56 km/h) | 55.75 mph (89.72 km/h) |
| 65 mph (104.61 km/h) | 60.4 mph (97.2 km/h) |
| 70 mph (112.65 km/h) | 65.04 mph (104.67 km/h) |
| 75 mph (120.7 km/h) | 69.69 mph (112.15 km/h) |
| 80 mph (128.75 km/h) | 74.33 mph (119.63 km/h) |
| 85 mph (136.79 km/h) | 78.98 mph (127.1 km/h) |
| 90 mph (144.84 km/h) | 83.62 mph (134.58 km/h) |
| 95 mph (152.89 km/h) | 88.27 mph (142.06 km/h) |
| 100 mph (160.93 km/h) | 92.92 mph (149.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2040 | 2370 | 2552 | 2665 | 2787 | 2874 | 2969 | 3082 | 3238 | 3394 | 3568 | 3707 | 3959 | 4236 | 4454 | 4592 | 4671 | 4957 | 5356 | 6225 |
Better Fuel Economy Factory Ratios Increased Power
