Automakers
308 marques and groups. 186 have US model-year catalog rows (EPA, 1978–2027). Official links are labelled verified only when the site was actually retrieved.
308 in this list, shown a letter at a time.
R
- Radical MotorsportManufacturer group
No catalog rows yet
Official siteverified 25 Sep 2026
- RamMarque
13 model families observed
Official siteverified 25 Sep 2026
- Red Shift Ltd.Marque
1 model family observed
No current official site verified.
- RenaultMarque
15 model families observed
Official siteverified 25 Sep 2026
- Renault GroupManufacturer group
No catalog rows yet
Official siteverified 25 Sep 2026
- RimacManufacturer group
No catalog rows yet
Official siteverified 25 Sep 2026
- RivianMarque
125 model families observed
Official siteverified 25 Sep 2026
- RoeweAutomaker
No catalog rows yet
Official siteverified 29 Sep 2026
- Rolls-RoyceMarque
58 model families observed
No current official site verified.
- ROLLS-ROYCE/BENTLEYMarque
3 model families observed
No current official site verified.
- Rolls-Royce Motor CarsMarque
No catalog rows yet
Official siteverified 25 Sep 2026
- ROLLS-ROYCE MOTORS LTD.Marque
7 model families observed
No current official site verified.
- Roush PerformanceMarque
19 model families observed
Official siteverified 29 Sep 2026
- ROVERMarque
3 model families observed
No current official site verified.
- Rox MotorAutomaker
No catalog rows yet
Official siteverified 29 Sep 2026
- RUFManufacturer group
No catalog rows yet
Official siteverified 25 Sep 2026
- RUF AutomobileMarque
4 model families observed
Official siteverified 29 Sep 2026
- Ruf Automobile GmbhMarque
1 model family observed
No current official site verified.