Generation study
Audi RS4 B7
(2007–2008)
4.
Audi RS4 B7
Why it qualifies
4.2L naturally aspirated V8, 8250 rpm, 6-speed manual only. One of the greatest-sounding production engines ever. Brief US production makes it scarce.
Watch out for
- Carbon buildup on intake valves (direct injection)
- DRC suspension fluid leaks ($5k+ repair)
- Timing chain tensioner
Market trend
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· PRICE BAND premium
Active B7 listings
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