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Superbike8.co.uk – The ultimate bike search engine and price comparison site
Trek Marlin 5 Gen 3 vs. Trek Marlin 7 Gen 3
The Trek Marlin 5 Gen 3 is available from £625, the Trek Marlin 7 Gen 3 from £1,000 – a difference of £375. We currently compare 12 offers from online shops and retailers.
Trek Marlin 5 Gen 3 – 29 inches – Diamond – 2026
from £625 · 11 offers
View deal at TisoIn favour of the Trek Marlin 5 Gen 3
- cheaper (−£375)
- more offers (11)
Trek Marlin 7 Gen 3 – 29 inches – Diamond – 2026
from £1,000 · 1 offers
View deal at TisoIn favour of the Trek Marlin 7 Gen 3
- higher-end groupset (SRAM NX)
Key differences
- Groupset: Trek Marlin 5 Gen 3 – Shimano CUES U4000 · Trek Marlin 7 Gen 3 – SRAM NX
- Gears: Trek Marlin 5 Gen 3 – 9 · Trek Marlin 7 Gen 3 – 12
Full spec comparison
| Trek Marlin 5 Gen 3 – 29 inches – Diamond – 2026View deal at Tiso | Trek Marlin 7 Gen 3 – 29 inches – Diamond – 2026View deal at Tiso | |
|---|---|---|
| Price from | £625 | £1,000 |
| Offers | 11 | 1 |
| Brand | Trek | Trek |
| Model year | 2026 | 2026 |
| Groupset | Shimano CUES U4000 | SRAM NX |
| Gears | 9 | 12 |
| Drivetrain | Derailleur | Derailleur |
| Brakes | Shimano MT200 | Shimano MT200 |
| Fork travel | 100 mm | 100 mm |
| Wheel size | 29" | 29" |
| Frame | Aluminium | Aluminium |
| View deal View product on superbike8.co.uk › | View deal View product on superbike8.co.uk › |
Green = best value in this comparison. Data from manufacturers and retailers, no guarantee. Prices incl. tax, as of 5 October 2026.