Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/55-15 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.18 (639.5) | 26.85 (682) | 1.67 (42.5) 6.6% |
| Width inches (mm) | 9.25 (235) | 8.46 (215) | -0.79 (-20) -8.5% |
| Circum. inches (mm) | 79.1 (2009.05) | 84.35 (2142.57) | 5.26 (133.52) 6.6% |
| Sidewall Height inches (mm) | 5.09 (129.25) | 5.93 (150.5) | 0.84 (21.25) 16.4% |
| Revolutions per mile (km) | 801.05 (497.75) | 751.13 (466.73) | -49.92 (-31.02) -6.2% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.33 mph (34.33 km/h) |
| 25 mph (40.23 km/h) | 26.66 mph (42.91 km/h) |
| 30 mph (48.28 km/h) | 31.99 mph (51.49 km/h) |
| 35 mph (56.33 km/h) | 37.33 mph (60.07 km/h) |
| 40 mph (64.37 km/h) | 42.66 mph (68.65 km/h) |
| 45 mph (72.42 km/h) | 47.99 mph (77.23 km/h) |
| 50 mph (80.47 km/h) | 53.32 mph (85.82 km/h) |
| 55 mph (88.51 km/h) | 58.66 mph (94.4 km/h) |
| 60 mph (96.56 km/h) | 63.99 mph (102.98 km/h) |
| 65 mph (104.61 km/h) | 69.32 mph (111.56 km/h) |
| 70 mph (112.65 km/h) | 74.65 mph (120.14 km/h) |
| 75 mph (120.7 km/h) | 79.98 mph (128.72 km/h) |
| 80 mph (128.75 km/h) | 85.32 mph (137.3 km/h) |
| 85 mph (136.79 km/h) | 90.65 mph (145.89 km/h) |
| 90 mph (144.84 km/h) | 95.98 mph (154.47 km/h) |
| 95 mph (152.89 km/h) | 101.31 mph (163.05 km/h) |
| 100 mph (160.93 km/h) | 106.65 mph (171.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2221 | 2391 | 2497 | 2611 | 2692 | 2782 | 2888 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4173 | 4303 | 4376 | 4644 | 5019 | 5832 |
Better Fuel Economy Factory Ratios Increased Power
