BMW 2 Series trim comparison
2026 BMW 2 Series M240i vs M2 CS
The 2 Series M240i starts at $53,600 while the M2 CS is $98,600. That $45,000 gap buys 5 meaningful differences.
You are paying $45,000 for styling and convenience. The driving experience is identical.
Stay with the M240i if keeping roughly $792/month in your budget matters. Step up to the M2 CS only if you want the nicer equipment factory-installed and under warranty. That is the real decision hiding inside this $45,000 trim jump.
If you are budgeting this move monthly, the jump from the M240i to the M2 CS is about $792/month on a 60-month loan at 6.5% APR with 10% down. That works out to roughly $47,520 more by the time interest is counted.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when you want the nicer equipment factory-installed and under warranty.
When both feel the same
Both the M240i and M2 CS share the same 8-speed shiftable automatic transmission.
The upgrade math
You are paying $45,000 for 4 measurable differences, which works out to about $11,250 per change.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 5 specification differences, 2 shared.
Full Specification Comparison
Specifications reflect available data as of early 2026. Confirm details with an authorized dealer before purchasing.
| Spec | M240i | M2 CS |
|---|---|---|
| Pricing | ||
| MSRP | $53,600 | $98,600 |
| Powertrain | ||
| Engine | 3.0L I6 Turbo | 3.0L I6 Turbo |
| Horsepower | 382 hp | 523 hp |
| Torque | 369 lb-ft | 479 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | RWD | RWD |
| Fuel Economy | ||
| City MPG | 23 | 16 |
| Highway MPG | 32 | 23 |
| Combined MPG | 26 | 19 |
| Fuel Tank | 13.7 gal | 13.7 gal |
| Annual Fuel Cost (EPA) | $2,250/yr | No published data |
| Dimensions | ||
| Curb Weight | 3,748 lbs | 3,770 lbs |
| Wheelbase | 107.9" | 108.1" |
| Length | 179.4" | 180.6" |
| Width | 72.4" | 74.3" |
| Height | 55.3" | 54.9" |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 4yr/50k |
| Corrosion | 12yr/unlimited | 12yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 4yr/unlimited |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2026 BMW 2 Series M240i vs M2 CS Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the BMW 2 Series lineup, the BMW brand hub, the Compact Cars, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2026 2 Series M2 CS cost than the M240i?
The M2 CS starts at $98,600 compared to $53,600 for the M240i. That is a $45,000 difference, or approximately $792/month more on a 60-month loan.
Do the 2026 BMW 2 Series M240i and M2 CS have the same engine?
Yes. Both use the 3.0L I6 Turbo producing 382 hp and 369 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do the 2026 2 Series M240i and M2 CS have the same drivetrain?
Yes. Both come with RWD as standard. The differences between these trims are in features and equipment, not drivetrain.
What warranty does the 2026 BMW 2 Series come with?
All 2026 BMW 2 Series trims, including both the M240i and M2 CS, come with BMW's standard warranty: 4yr/50k bumper-to-bumper and 4yr/50k powertrain coverage. Warranty does not vary by trim level.
Which 2026 BMW 2 Series trim gets better fuel economy, the M240i or the M2 CS?
The M240i is the more efficient of the two at 26 combined MPG, versus 19 for the other trim. That matters most if you are balancing running costs against the extra power, drivetrain, or comfort equipment tied to the pricier trim.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
What $45,000 Gets You
The 2 Series M2 CS costs $45,000 more than the M240i. Whether that is worth it depends on how much you value horsepower and torque. These features matter to some buyers daily and barely at all to others. Weigh them against your priorities.
M240i vs. M2 CS: Day-to-Day
141 more horsepower in the M2 CS. A jump this size changes how the 2 Series feels on the highway. 110 more lb-ft for the M2 CS. A noticeable difference in low-end acceleration.
Fuel Economy Comparison
The 2 Series M240i gets 7 more combined MPG. At $3.50/gallon and 12,000 miles/year, that saves roughly $596 per year or $2,980 over five years of ownership.
Summary
$45,000 more for the 2 Series M2 CS gets you 4 real differences. At $792/month more, the question is whether those specific changes are things you will use regularly.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
BMW 2 Series M240i
Value-trim add-onsThese picks fit the M240i best when the goal is covering the daily-use gaps without paying up to the next trim.
BMW 2 Series M2 CS
Step-up trim add-onsThese picks suit the M2 CS when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2026 model year. 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 any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.