The average new car gained weight from 1,015 kg in the 1970–79 to 1,640 kg in the 2020–29 — 62% heavier. Kerb weight across 101,934 model variants.
The average car is 62% heavier than in the 1970–79 — safety kit, bigger bodies and batteries all add up.
| Period | Kerb weight (kg) | Sample |
|---|---|---|
| 1970–79 | 1,015 | 610 |
| 1980–89 | 1,058 | 6,144 |
| 1990–99 | 1,248 | 12,697 |
| 2000–09 | 1,371 | 29,563 |
| 2010–19 | 1,483 | 41,541 |
| 2020–29 | 1,640 | 11,379 |
Average manufacturer-quoted kerb weight (kg), grouped by decade of first model year. Values outside 500–4,000 kg are dropped as data errors. One row per variant.