Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 195/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 28.05 (712.5) | 5.12 (130) 22.3% |
| Width inches (mm) | 6.1 (155) | 7.68 (195) | 1.57 (40) 25.8% |
| Circum. inches (mm) | 72.05 (1829.98) | 88.13 (2238.38) | 16.08 (408.41) 22.3% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 6.53 (165.75) | 2.56 (65) 64.5% |
| Revolutions per mile (km) | 879.43 (546.45) | 718.98 (446.75) | -160.46 (-99.7) -18.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.46 mph (39.37 km/h) |
| 25 mph (40.23 km/h) | 30.58 mph (49.21 km/h) |
| 30 mph (48.28 km/h) | 36.7 mph (59.06 km/h) |
| 35 mph (56.33 km/h) | 42.81 mph (68.9 km/h) |
| 40 mph (64.37 km/h) | 48.93 mph (78.74 km/h) |
| 45 mph (72.42 km/h) | 55.04 mph (88.58 km/h) |
| 50 mph (80.47 km/h) | 61.16 mph (98.43 km/h) |
| 55 mph (88.51 km/h) | 67.27 mph (108.27 km/h) |
| 60 mph (96.56 km/h) | 73.39 mph (118.11 km/h) |
| 65 mph (104.61 km/h) | 79.51 mph (127.95 km/h) |
| 70 mph (112.65 km/h) | 85.62 mph (137.8 km/h) |
| 75 mph (120.7 km/h) | 91.74 mph (147.64 km/h) |
| 80 mph (128.75 km/h) | 97.85 mph (157.48 km/h) |
| 85 mph (136.79 km/h) | 103.97 mph (167.32 km/h) |
| 90 mph (144.84 km/h) | 110.09 mph (177.17 km/h) |
| 95 mph (152.89 km/h) | 116.2 mph (187.01 km/h) |
| 100 mph (160.93 km/h) | 122.32 mph (196.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2289 | 2390 | 2499 | 2577 | 2663 | 2764 | 2904 | 3044 | 3200 | 3325 | 3550 | 3799 | 3994 | 4119 | 4189 | 4446 | 4804 | 5582 |
Better Fuel Economy Factory Ratios Increased Power
