Audi A6 vs BMW 3 Series LWB vs BMW 5 Series LWB (2026)
The classic luxury sedan shortlist, settled with numbers (October 2026):
- Pick the Audi A6 if you want the biggest boot (530 L).
- Pick the BMW 3 Series LWB if you want the lowest starting price (₹62.70 Lakh), the most power (369 bhp).
- Pick the BMW 5 Series LWB as the balanced middle path — it wins no single spec outright but concedes little anywhere.
Three-Way Specification Comparison
Audi A6 in short
The A6 is Audi's executive sedan in India, running ₹64.81 lakh (MY2025 base) to ₹71.66 lakh (Technology) with a 245 PS 2.0L TFSI mild-hybrid petrol. This C8 generation is in runout — the all-new A6 is expected in India around October — which makes the current car the value play of the class: it undercuts the BMW 5 Series LWB by nearly ₹12 lakh and the Mercedes E-Class by more. Unlike those two, the A6 runs a standard wheelbase.
Full A6 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 →BMW 5 Series LWB in short
The eighth-generation 5 Series arrived in India in July 2024 exclusively as a long-wheelbase petrol: the 530Li M Sport at ₹76.60 lakh, monospec. Its 258 PS 2.0L turbo-petrol carries 48V mild-hybrid assistance, and the stretched body targets the Mercedes-Benz E-Class LWB — the only other long-wheelbase sedan in the class — head on. Buyers wanting an electric 5 Series get the closely related i5 eDrive35L at ₹79.60 lakh.
Full 5 Series LWB prices & variants →Head-to-head pairs
Frequently Asked Questions
A6 vs 3 Series LWB vs 5 Series LWB — which should I buy?
Pick the Audi A6 if you want the biggest boot (530 L). Pick the BMW 3 Series LWB if you want the lowest starting price (₹62.70 Lakh), the most power (369 bhp). Pick the BMW 5 Series LWB as the balanced middle path — it wins no single spec outright but concedes little anywhere. Test-drive at least two before deciding — ride and dealer experience differ by city.
Which is the cheapest among A6, 3 Series LWB, 5 Series LWB?
The BMW 3 Series LWB starts lowest at ₹62.70 Lakh, against ₹64.81 Lakh for the A6 and ₹76.60 Lakh for the 5 Series LWB (ex-showroom, October 2026).
Which is the safest of the three?
Audi A6: not yet NCAP-tested; BMW 3 Series LWB: not yet NCAP-tested; BMW 5 Series LWB: not yet NCAP-tested.