| First quarter | ||
| 2011 | 2010 | |
| Net sales Volvo Group, SEK M | 71,577 | 58,617 |
| Operating income Volvo Group, SEK M | 6,522 | 2,799 |
| Operating income Industrial operations, SEK M | 6,343 | 2,785 |
| Operating income Customer Finance, SEK M | 179 | 14 |
| Operating margin Volvo Group, % | 9.1 | 4.8 |
| Income after financial items, SEK M | 5,847 | 2,228 |
| Income for the period, SEK M | 4,181 | 1,720 |
| Diluted earnings per share, SEK | 2.01 | 0.83 |
| Return on shareholders' equity and rolling 12 months,% | 19.0 | (12.4) |