BMW 3 Series trim comparison
2024 BMW 3 Series 330e xDrive vs M3 CS
The 3 Series 330e xDrive starts at $47,600 while the M3 CS is $118,700. That $71,100 gap buys 7 meaningful differences.
This trim jump changes the engine from 2.0L I4 phev Turbo to 3.0L I6 Turbo. Everything else is secondary to whether that powertrain difference matters for how you drive.
Start with the 330e xDrive if the 2.0L I4 phev Turbo already feels sufficient for the way you drive. Step up to the M3 CS only when the 3.0L I6 Turbo powertrain is the reason you are moving higher in the lineup.
The cleanest way to feel this upgrade is through the payment: about $1252/month more over 60 months, or roughly $75,120 extra all-in once interest is included. The payment only makes sense if that different powertrain matters to the way you actually drive, tow, or live with the vehicle.
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 are specifically shopping for the stronger powertrain, not just more trim content.
When both feel the same
Same platform and drivetrain options on both trims.
The upgrade math
You are paying $71,100 for 6 measurable differences, which works out to about $11,850 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. 7 specification differences, 1 shared.
Full Specification Comparison
Specifications reflect available data as of early 2024. Confirm details with an authorized dealer before purchasing.
| Spec | 330e xDrive | M3 CS |
|---|---|---|
| Pricing | ||
| MSRP | $47,600 | $118,700 |
| Powertrain | ||
| Engine | 2.0L I4 phev Turbo | 3.0L I6 Turbo |
| Horsepower | 288 hp | 543 hp |
| Torque | 310 lb-ft | 479 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 22 | 15 |
| Highway MPG | 32 | 22 |
| Combined MPG | 26 | 18 |
| Fuel Tank | 10.6 gal | 15.6 gal |
| Dimensions | ||
| Curb Weight | 4,180 lbs | 3,915 lbs |
| Wheelbase | 112.2" | 112.5" |
| Length | 185.9" | 188.8" |
| Width | 71.9" | 75.5" |
| Height | 56.9" | 56.6" |
| 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.
2024 BMW 3 Series 330e xDrive vs M3 CS Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the BMW 3 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 2024 3 Series M3 CS cost than the 330e xDrive?
The M3 CS starts at $118,700 compared to $47,600 for the 330e xDrive. That is a $71,100 difference, or approximately $1252/month more on a 60-month loan.
Do the 2024 BMW 3 Series 330e xDrive and M3 CS have the same engine?
No. The 330e xDrive uses a 2.0L I4 phev Turbo (288 hp, 310 lb-ft), while the M3 CS has the 3.0L I6 Turbo (543 hp, 479 lb-ft). That is 255 more horsepower. Both pair with the same 8-speed shiftable automatic.
Do the 2024 3 Series 330e xDrive and M3 CS have the same drivetrain?
Yes. Both come with AWD as standard. The differences between these trims are in features and equipment, not drivetrain.
What warranty does the 2024 BMW 3 Series come with?
All 2024 BMW 3 Series trims, including both the 330e xDrive and M3 CS, come with BMW's standard warranty: 4yr/50k bumper-to-bumper and 4yr/50k powertrain coverage. Warranty does not vary by trim level.
Is the 2024 BMW 3 Series M3 CS worth $71,100 more than the 330e xDrive?
The $71,100 buys the 3.0L I6 Turbo. If that powertrain matters for how you drive, yes. If not, the 330e xDrive does the same job for less.
Which 2024 BMW 3 Series trim gets better fuel economy, the 330e xDrive or the M3 CS?
The 330e xDrive is the more efficient of the two at 26 combined MPG, versus 18 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.
Is the 3 Series M3 CS Worth $71,100 More?
The 3 Series M3 CS costs $71,100 more but shares the same drivetrain as the 330e xDrive. The differences are mostly cosmetic or marginal, so the practical jump is limited.
The Differences You'll Notice Most
Engine changes between these trims: the 330e xDrive has the 2.0L I4 phev Turbo, the M3 CS the 3.0L I6 Turbo. That means 255 more horsepower and 169 more lb-ft of torque. That extra power shows up most clearly once you are out of town and asking more of the drivetrain. The cost of that extra capability is roughly 8 fewer combined MPG.
Fuel Economy Comparison
The 3 Series 330e xDrive gets 8 more combined MPG. At $3.50/gallon and 12,000 miles/year, that saves roughly $718 per year or $3,590 over five years of ownership.
Bottom Line
$71,100 more for the 3 Series M3 CS gets you 6 real differences. At $1,252/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 3 Series 330e xDrive
Value-trim add-onsThese picks fit the 330e xDrive best when the goal is covering the daily-use gaps without paying up to the next trim.
BMW 3 Series M3 CS
Step-up trim add-onsThese picks suit the M3 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 2024 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.