Best Used Cars Under €20,000 in January 2026

buying-guide under-20000 bmw mercedes audi recommendation

Best Value Used Cars Under €20,000

Looking for a German premium vehicle that costs no more than €20,000? Our data analysis from January 2026 shows which models offer the best value for money.

Top 5 Recommendations

1. BMW E38 7 Series (1994-2001)

Average Price: €16,915

The E38 is considered one of the best 7 Series ever made. For under €20,000 you get:

  • V8 or V12 engine options
  • S-Class level luxury equipment
  • Timeless design

Why buy now: Prices are steadily rising. Good examples under €20,000 are becoming rare.

→ Current E38 Prices

2. Audi C6 A6 (2004-2011)

Average Price: €10,292

An underrated classic with:

  • Strong mileage/price correlation (-0.903)
  • Solid technology
  • A lot of car for little money

Tip: Examples with under 200,000 km are still easy to find.

→ Current C6 Prices

3. BMW E39 5 Series (1995-2004)

Average Price: €8,147

The E39 offers:

  • Legendary reliability
  • Sporty handling
  • Timeless design

Note: The M5 variant is around €30,562 – for standard models there’s plenty of choice under €10,000.

→ Current E39 Prices

4. Audi B5 A4/S4 (1994-2001)

Average Price: €9,525

The B5 is a growing classic:

  • Quattro all-wheel drive
  • Robust technology
  • Rising collector prices

Note: S4 and RS4 are significantly higher (RS4 B5: avg. €47,447).

→ Current B5 Prices

5. BMW E46 3 Series (1998-2006)

Average Price: €7,056

The best-selling 3 Series ever:

  • Wide model selection
  • Affordable spare parts
  • Driving fun guaranteed

M3 Alternative: The E46 M3 is around €32,831 – for enthusiasts without M budget, the 330i is a great alternative.

→ Current E46 Prices

What to Watch For

On older BMWs (E38, E39, E46):

  • Check cooling system (water pump, thermostat)
  • Vanos system on 6-cylinders
  • Transmission check on automatics

On Audi Quattro (B5, C6):

  • Drive shafts and differentials
  • Timing chain on 2.0 TFSI
  • AC compressor

Mileage: How Important Is It Really?

Our data analysis shows different correlations:

Modelkm/Price CorrelationMeaning
Audi C6-0.903 (strong)Mileage very price-relevant
BMW E38mediumCondition more important than km
Audi B5-0.09 (none)Condition decides

Conclusion: For newer models (C6, C7), mileage matters more. For classics (E38, B5), overall condition counts more.

Seasonal Buying Tips

January is traditionally a good buying month:

  • Lower demand after holidays
  • Dealers clearing inventory
  • More room for negotiation

Avoid spring (March-May), when demand is traditionally highest.

Summary

For under €20,000, you can still get real premium quality in 2026. Our top recommendation: The BMW E38 offers the best overall package of luxury, reliability, and appreciation potential.


All prices based on our market analysis from January 2026. Visit the linked model pages for current data.