Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/35-21 | 265/40-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.13 (739.9) | 29.35 (745.4) | 0.22 (5.5) 0.7% |
| Width inches (mm) | 11.61 (295) | 10.43 (265) | -1.18 (-30) -10.2% |
| Circum. inches (mm) | 91.51 (2324.46) | 92.19 (2341.74) | 0.68 (17.28) 0.7% |
| Sidewall Height inches (mm) | 4.06 (103.25) | 4.17 (106) | 0.11 (2.75) 2.7% |
| Revolutions per mile (km) | 692.35 (430.21) | 687.24 (427.03) | -5.11 (-3.17) -0.7% |
265/40-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.15 mph (32.43 km/h) |
| 25 mph (40.23 km/h) | 25.19 mph (40.53 km/h) |
| 30 mph (48.28 km/h) | 30.22 mph (48.64 km/h) |
| 35 mph (56.33 km/h) | 35.26 mph (56.75 km/h) |
| 40 mph (64.37 km/h) | 40.3 mph (64.85 km/h) |
| 45 mph (72.42 km/h) | 45.33 mph (72.96 km/h) |
| 50 mph (80.47 km/h) | 50.37 mph (81.07 km/h) |
| 55 mph (88.51 km/h) | 55.41 mph (89.17 km/h) |
| 60 mph (96.56 km/h) | 60.45 mph (97.28 km/h) |
| 65 mph (104.61 km/h) | 65.48 mph (105.39 km/h) |
| 70 mph (112.65 km/h) | 70.52 mph (113.49 km/h) |
| 75 mph (120.7 km/h) | 75.56 mph (121.6 km/h) |
| 80 mph (128.75 km/h) | 80.59 mph (129.7 km/h) |
| 85 mph (136.79 km/h) | 85.63 mph (137.81 km/h) |
| 90 mph (144.84 km/h) | 90.67 mph (145.92 km/h) |
| 95 mph (152.89 km/h) | 95.71 mph (154.02 km/h) |
| 100 mph (160.93 km/h) | 100.74 mph (162.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1749 | 2032 | 2188 | 2285 | 2389 | 2463 | 2545 | 2642 | 2776 | 2910 | 3059 | 3178 | 3394 | 3632 | 3818 | 3937 | 4004 | 4249 | 4592 | 5336 |
Better Fuel Economy Factory Ratios Increased Power
