2026 BMW 3 Series vs. 2026 Mazda 3

TrueCar's market data shows buyers currently pay $45,952 on average for the BMW 3 Series against $25,048 for the Mazda3, a $23,465 real-world gap, and that TrueCar users rate the Mazda3 higher, 4.4 out of 5 (2,045 ratings) against 4.1 for the 3 Series (3,744 ratings). CarGurus' verdict on the 3 Series says it isn't perfect, but it's perfectly enjoyable to drive, and that minor updates and refinements make the 2025 3 Series better than ever. Choose the Mazda3 for the price and its higher TrueCar owner rating; choose the 3 Series for the driving experience CarGurus still recommends even without stepping up to the M340i or M3.

Which to choose, and why

Price and owner ratings

TrueCar (opens in a new tab) says its market data shows buyers currently pay $45,952 on average for the BMW 3 Series and $25,048 for the Mazda3, narrowing the real-world gap to $23,465, and that TrueCar users rate the BMW 3 Series 4.1 out of 5 (3,744 ratings) against 4.4 out of 5 for the Mazda3 (2,045 ratings).

CarGurus' verdict on the 3 Series

CarGurus (opens in a new tab) says the 2025 BMW 3 Series isn't perfect, but it's perfectly enjoyable to drive, that you don't need to upgrade to the M340i or the M3 to enjoy driving one, and that minor updates and refinements make the 2025 3 Series better than ever.

Questions buyers ask

Which is rated higher by owners, the 3 Series or the Mazda3?

TrueCar (opens in a new tab) says the Mazda3, 4.4 out of 5 against 4.1 for the BMW 3 Series.

Do you need the M340i or M3 to enjoy driving a 3 Series?

CarGurus (opens in a new tab) says no, the standard 3 Series is already perfectly enjoyable to drive.

Side-by-side matrix

The published fields that can change the decision.

BMW 3 Series: 4 records · Mazda 3: 7 records.

Decision field	BMW 3 Series	Mazda 3
Exact EPA records	4	7
Model / option labels	4	4
Drive layouts	All-Wheel Drive, Rear-Wheel Drive	4-Wheel Drive, Front-Wheel Drive
Engines / propulsion	2L 4-cyl SIDI & PFI; Mild Hybrid, 3L 6-cyl SIDI & PFI; Mild Hybrid	2.5L 4-cyl SIDI
Transmissions	Automatic (S8)	Automatic (S6), Manual 6-spd
Fuel types	Premium	Regular
EPA classes	Compact Cars	Compact Cars, Midsize Cars
Combined efficiency	29–31 MPG/MPGe	26–30 MPG/MPGe
Electric range	Not listed	Not listed
Annual fuel / energy estimate	$2550–2750 per year	$2150–2500 per year

Head to head

BMW 3 Series vs. Mazda 3: size, power, capability and price.

Measure	BMW 3 Series	Mazda 3
Starting price (KBB base)	$49,350	$25,885
Top trim price (KBB base)	$65,650	$39,325
Horsepower	255-386 hp	186-227 hp
Torque	295-398 lb-ft	186-310 lb-ft
0 to 60 mph	4.1-5.6 sec	n/a
Curb weight	3,644-4,008 lb	3,111-3,413 lb
Length	185.9 in	183.5 in
Wheelbase	112.2 in	107.3 in
Cargo volume	16.9 cu ft	13.2 cu ft
Seating	5 seats	5 seats
Basic warranty	4 years	3 years

Figures are ranges across each model’s trims from Kelley Blue Book records (2026 model year); prices are KBB base prices.

The Mazda 3 starts $23,465 lower: $25,885 against $49,350 before options and fees.
On peak horsepower, the BMW 3 Series leads: 386 hp against 227 hp.
On peak torque, the BMW 3 Series leads: 398 lb-ft against 310 lb-ft.
The Mazda 3 is lighter, comparing lightest trims: 3,111 lb against 3,644 lb.
On length, the BMW 3 Series leads: 185.9 in against 183.5 in.
On wheelbase, the BMW 3 Series leads: 112.2 in against 107.3 in.
On cargo volume, the BMW 3 Series leads: 16.9 cu ft against 13.2 cu ft.
Both list the same seating capacity: 5 seats.
On basic warranty, the BMW 3 Series leads: 4 years against 3 years.

Background on each vehicle

What public sources say about the BMW 3 Series and the Mazda 3.

2026 BMW 3 Series

The BMW 3 series is a line of compact executive cars manufactured by the German automaker BMW since May 1975. It is the successor to the 02 series and has been produced in eight generations.

Source: BMW 3 Series (Wikipedia)

2026 Mazda 3

The Mazda3 is a compact car manufactured by Mazda since 2003 over four generations. The body styles have been a 5-door hatchback and 4-door sedan across all generations. It was sold as the Mazda Axela in Japan until 2019.

Awards: The fourth generation Mazda3 won the World Car Design of the Year award in 2020, granted by the World Car Awards (WCA). In 2024, the Mazda3 was one of four compact cars listed on Car and Driver's Editors' Choice.

Source: Mazda3 (Wikipedia)

Open both dossiers

Resolve the exact engine, drive and EPA ID.

01 · 2026BMW 3 Series4 configurations →02 · 2026Mazda 37 configurations →

Comparison answer desk

13 answers for this exact pairing.

Q01Which is more efficient: the 2026 BMW 3 Series or the 2026 Mazda 3?

Efficiency

The 2026 BMW 3 Series lists the higher combined-efficiency midpoint in this snapshot (30 vs. the 2026 Mazda 3's 28 MPG/MPGe).