Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 215/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 24.31 (617.5) | -0.77 (-19.44) -3.1% |
| Width inches (mm) | 7.52 (191) | 8.46 (215) | 0.94 (24) 12.6% |
| Circum. inches (mm) | 78.78 (2001.01) | 76.38 (1939.93) | -2.4 (-61.07) -3.1% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.66 (118.25) | -0.38 (-9.72) -7.6% |
| Revolutions per mile (km) | 804.27 (499.75) | 829.59 (515.48) | 25.32 (15.73) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.61 km/h) |
| 40 mph (64.37 km/h) | 38.78 mph (62.41 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.21 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78.01 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.81 km/h) |
| 60 mph (96.56 km/h) | 58.17 mph (93.61 km/h) |
| 65 mph (104.61 km/h) | 63.02 mph (101.41 km/h) |
| 70 mph (112.65 km/h) | 67.86 mph (109.22 km/h) |
| 75 mph (120.7 km/h) | 72.71 mph (117.02 km/h) |
| 80 mph (128.75 km/h) | 77.56 mph (124.82 km/h) |
| 85 mph (136.79 km/h) | 82.41 mph (132.62 km/h) |
| 90 mph (144.84 km/h) | 87.25 mph (140.42 km/h) |
| 95 mph (152.89 km/h) | 92.1 mph (148.22 km/h) |
| 100 mph (160.93 km/h) | 96.95 mph (156.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2111 | 2453 | 2641 | 2758 | 2884 | 2974 | 3072 | 3189 | 3351 | 3513 | 3692 | 3836 | 4097 | 4384 | 4609 | 4752 | 4833 | 5130 | 5543 | 6441 |
Better Fuel Economy Factory Ratios Increased Power
