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Audi A4 vs BMW 3 Series LWB vs Mercedes-Benz C-Class (2026)

The classic luxury sedan shortlist, settled with numbers (October 2026):

  • Pick the Audi A4 if you want the lowest starting price (₹46.88 Lakh).
  • Pick the BMW 3 Series LWB if you want the biggest boot (480 L).
  • Pick the Mercedes-Benz C-Class if you want the most power (670 bhp).

Three-Way Specification Comparison

SpecAudi A4BMW 3 Series LWBMercedes-Benz C-Class
Ex-showroom price₹46.88 Lakh – ₹55.83 Lakh₹62.70 Lakh – ₹77.10 Lakh₹61.20 Lakh – ₹1.91 Crore
Engine / Motor2.0L TFSI turbo-petrol 204 PS with 12V mild hybrid2.0L turbo-petrol 258 PS (330Li) / 2.0L diesel 190 PS (320Ld) / 3.0L I6 turbo-petrol 374 PS (M340i xDrive)1.5L turbo-petrol (C 200) / 2.0L diesel (C 220d) / AMG 2.0L turbo-petrol (C 43) / AMG 2.0L plug-in hybrid 680 PS (C 63 S E Performance)
Max power201 bhp369 bhp670 bhp
Fuel optionsPetrolPetrol, DieselPetrol, Diesel, Petrol Hybrid
TransmissionsDCTTorque Converter ATTorque Converter AT, DCT
Mileage (claimed)———
Seating555
Safety ratingNot testedNot testedNot tested
Airbags (max)nullnullnull
Boot space460 L480 L—

Audi A4 in short

The A4 is Audi's core luxury sedan in India, priced ₹46.88 lakh (Premium) to ₹55.83 lakh (Technology) — the cheapest entry into the German luxury sedan class, undercutting the BMW 3 Series LWB by nearly ₹14 lakh. All variants run a 204 PS 2.0L TFSI petrol with mild-hybrid assistance and front-wheel drive. The mid-level Premium Plus is on sale but held from our table while we resolve a price conflict between sources (₹51.85 vs ₹51.57 lakh).

Full A4 prices & variants →

BMW 3 Series LWB in short

The 3 Series Long Wheelbase is India's sports-sedan benchmark stretched for the back seat: a 2,961 mm wheelbase exclusive to markets like India, priced ₹62.70–77.10 lakh. The volume cars are the 258 PS 330Li petrol and 190 PS 320Ld diesel, and the range tops out with the 374 PS six-cylinder M340i xDrive — the quickest sedan built in India. It fights the Mercedes-Benz C-Class and Audi A4, both of which run standard wheelbases.

Full 3 Series LWB prices & variants →

Mercedes-Benz C-Class in short

The C-Class is Mercedes' core luxury sedan in India, spanning an unusually wide ₹61.20 lakh to ₹1.91 crore because the range runs from the C 200 petrol all the way to the 680 PS AMG C 63 S E Performance plug-in hybrid. The volume variants — C 200 petrol and C 220d diesel — are priced identically at ₹61.20 lakh, a rarity in this class. It competes with the BMW 3 Series LWB and Audi A4. Note: the C 300 AMG Line is on sale but held from our table pending price verification (sources conflict between ₹65.60 and ₹67.00 lakh).

Full C-Class prices & variants →

Head-to-head pairs

Frequently Asked Questions

A4 vs 3 Series LWB vs C-Class — which should I buy?

Pick the Audi A4 if you want the lowest starting price (₹46.88 Lakh). Pick the BMW 3 Series LWB if you want the biggest boot (480 L). Pick the Mercedes-Benz C-Class if you want the most power (670 bhp). Test-drive at least two before deciding — ride and dealer experience differ by city.

Which is the cheapest among A4, 3 Series LWB, C-Class?

The Audi A4 starts lowest at ₹46.88 Lakh, against ₹61.20 Lakh for the C-Class and ₹62.70 Lakh for the 3 Series LWB (ex-showroom, October 2026).

Which is the safest of the three?

Audi A4: not yet NCAP-tested; BMW 3 Series LWB: not yet NCAP-tested; Mercedes-Benz C-Class: not yet NCAP-tested.