2025 BMW 3 Series M340i xDrive vs 2025 Acura TLX Type S
8 mpg better and 31 more hp vs $4,150 less and 8.7″ longer. That is the real fork. Key numbers: 386 vs 355 hp, 29 vs 21 MPG.
The 3 Series M340i xDrive leads on 8 MPG better, 31 more hp. The TLX Type S leads on $4,150 less, 8.7″ longer. The spec table compares 7 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 7 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2025 BMW 3 Series M340i xDrive | 2025 Acura TLX Type S |
|---|---|---|
| Pricing | ||
| MSRP | $62,200 | $58,050 |
| Powertrain | ||
| Engine | 3.0L I6 mild-hybrid Turbo | 3.0L V6 Turbo |
| Horsepower | 386 hp | 355 hp |
| Torque | 398 lb-ft | 354 lb-ft |
| Transmission | 8-speed shiftable automatic | 10-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 26 | 19 |
| Highway MPG | 33 | 25 |
| Combined MPG | 29 | 21 |
| Fuel Tank | 15.6 gal | 15.9 gal |
| Annual Fuel Cost (EPA) | $2,000/yr | $2,750/yr |
| Dimensions | ||
| Curb Weight | 4,008 lbs | 4,221 lbs |
| Wheelbase | 112.2" | 113.0" |
| Length | 185.9" | 194.6" |
| Width | 71.9" | 75.2" |
| Height | 56.7" | 56.4" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 6yr/70k |
| Corrosion | 12yr/unlimited | 5yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 4yr/50k |
Frequently Asked Questions
What is the price difference between the 2025 BMW 3 Series M340i xDrive and 2025 Acura TLX Type S?
The 2025 Acura TLX Type S starts at $58,050, $4,150 less than the 2025 BMW 3 Series M340i xDrive at $62,200. On a 60-month loan that is roughly $73/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 BMW 3 Series M340i xDrive?
The 2025 BMW 3 Series M340i xDrive is the stronger pick when lower running costs matter to you, roughly $552/year less on fuel; the extra 31 hp matters for your commute or driving style.
Who should choose the 2025 Acura TLX Type S?
The 2025 Acura TLX Type S is the stronger pick when you want to keep $4,150 in your pocket and the 2025 Acura TLX Type S covers your needs.
Which gets better fuel economy, the 2025 BMW 3 Series M340i xDrive or 2025 Acura TLX Type S?
The 2025 BMW 3 Series M340i xDrive rates 29 combined MPG, 8 MPG ahead.
Which is more powerful, the 2025 BMW 3 Series M340i xDrive or 2025 Acura TLX Type S?
The 2025 BMW 3 Series M340i xDrive produces 386 hp, 31 more than the 2025 Acura TLX Type S at 355 hp. The 2025 BMW 3 Series M340i xDrive also leads in torque at 398 lb-ft vs 354 lb-ft. The 2025 BMW 3 Series M340i xDrive runs a 3.0L I6 mild-hybrid Turbo; the 2025 Acura TLX Type S uses a 3.0L V6 Turbo.
Is the 2025 BMW 3 Series M340i xDrive bigger than the 2025 Acura TLX Type S?
The 2025 Acura TLX Type S is 8.7″ longer at 194.6″ vs 185.9″. The 2025 Acura TLX Type S has a 0.8″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
The BMW 3 Series comes with 4yr/50k bumper-to-bumper and 4yr/50k powertrain. The Acura TLX offers 4yr/50k bumper-to-bumper and 6yr/70k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: BMW trims, BMW 3 Series trims, Acura trims, Acura TLX trims
The 3 Series–TLX Decision
Shopping compact cars means the 3 Series and TLX will likely end up on the same test-drive day. Here is what the numbers say before you get behind the wheel. The $-4,150 gap adds up to $73/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
What Powers Each Vehicle
The 2025 BMW 3 Series M340i xDrive runs a 3.0L I6 mild-hybrid Turbo; the 2025 Acura TLX Type S uses a 3.0L V6 Turbo. The 2025 BMW 3 Series M340i xDrive has 31 more hp (386 vs 355), enough to notice on highway on-ramps and when passing. The 2025 BMW 3 Series M340i xDrive adds 44 more lb-ft of torque (398 vs 354), giving it stronger low-end pull off the line. Both use AWD.
The Ownership Math
The 2025 BMW 3 Series M340i xDrive saves roughly $552/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $2,760.
The Decision
Choose the 2025 BMW 3 Series M340i xDrive when lower running costs matter to you, roughly $552/year less on fuel. Choose the 2025 Acura TLX Type S when you want to keep $4,150 in your pocket and the 2025 Acura TLX Type S covers your needs.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with BMW or Acura or any dealership.