The BMW M5 CS is the fastest BMW M Series car ever made, achieving 0-60 mph in just 2.6 seconds and completing the quarter-mile in 10.7 seconds at 129.7 mph according to MotorTrend testing[1]. This limited-production sedan outperforms even the M8 Competition in real-world testing, despite both cars claiming similar official acceleration times. With 635 horsepower from its twin-turbo V8 and aggressive weight reduction, the M5 CS represents the pinnacle of BMW M performance.
When it comes to straight-line acceleration, the M5 CS dominates every other M Series vehicle BMW has produced[1].
| Model | 0-60 MPH Time | Testing Source | Powertrain |
|---|---|---|---|
| BMW M5 CS | 2.6 seconds | MotorTrend/Car and Driver | 635 hp V8 + xDrive |
| BMW M8 Competition | 2.5-2.8 seconds | Car and Driver | 617 hp V8 + xDrive |
| BMW M4 CSL | 3.0 seconds | BMW Official | 543 hp I6 RWD |
| BMW M3 CS | 3.4 seconds | BMW Official | 543 hp I6 + xDrive |
The M5 CS's incredible acceleration comes from its combination of 635 horsepower, M xDrive all-wheel-drive system, and optimized launch control that delivers near-zero wheelslip[1].
Top speed measurements tell a different story, with the M4 CSL claiming the crown[2].
Top Speed Rankings:
The M4 CSL achieves its higher top speed through superior aerodynamics and a lighter overall weight of just 3,583 pounds, making it BMW's fastest M car when the road stretches out[2]. Understanding what engine does a BMW M4 have helps explain its impressive performance characteristics.
Quarter-mile times provide the most accurate real-world performance measurement, eliminating the variables that affect 0-60 testing[1].
| Model | Quarter-Mile ET | Trap Speed | Year Tested |
|---|---|---|---|
| BMW M5 CS | 10.7 seconds | 129.7 mph | 2022 |
| BMW M8 Competition | 10.7 seconds | 129.0 mph | 2020 |
| BMW M4 CSL | 11.1 seconds | 128.8 mph | 2023 |
| BMW M5 Competition | 11.1 seconds | 126.7 mph | 2018 |
The M5 CS's higher trap speed demonstrates its sustained acceleration advantage over even the M8 Competition, despite identical elapsed times.
Performance figures differ significantly between manufacturer claims and independent testing for several reasons.
Key Variables Affecting Results:
Autvex testing analysis shows that xDrive-equipped M cars consistently achieve better 0-60 times than manufacturer claims, while rear-wheel-drive models often require multiple attempts to hit their numbers.
The M5 CS represents BMW M's most extreme sedan, combining raw power with sophisticated weight reduction[1].
Engine and Drivetrain:
Independent testing confirms the M5 CS as BMW's fastest production car ever[1].
Documented Performance Results:
These numbers place the M5 CS among the fastest sedans ever built, competing with supercars costing twice as much. The M5 CS accelerates faster than a Ferrari F8 Tributo to 60 mph[1].
The M5 CS was produced for just two model years (2021-2022), creating instant collectibility[1].
| Production Detail | Specification |
|---|---|
| Production years | 2021-2022 |
| Units produced | Approximately 1,000 globally |
| Original MSRP | $142,000 |
| Current market value | $150,000-$200,000+ |
| Allocation method | Dealer invitation only |
This limited availability has driven values above original MSRP, making the M5 CS one of the few modern BMWs to appreciate. For those considering what mileage do BMW start to break down, the M5 CS's robust S63 engine typically remains reliable past 100,000 miles with proper maintenance.
BMW M engineers achieved the M5 CS's performance through extensive weight reduction[1].
Weight-Saving Components:
The 154-pound weight savings compared to the standard M5 dramatically improves the power-to-weight ratio, contributing to the M5 CS's explosive acceleration.
As the current-production speed leader, the M8 Competition delivers supercar performance in a luxury coupe package[3].
Performance Specifications:
Car and Driver recorded a blistering 2.5-second 0-60 time for the M8 Competition Coupe, making it technically faster than the M5 CS in their testing[3]. However, the M5 CS's higher trap speeds suggest superior sustained acceleration.
Weight and aerodynamics create measurable performance differences between M8 body styles.
| Specification | M8 Coupe | M8 Gran Coupe | Difference |
|---|---|---|---|
| Curb weight | 4,251 lbs | 4,329 lbs | +78 lbs |
| 0-60 mph | 2.5-3.0 sec | 3.0 sec | Coupe faster |
| Top speed | 190 mph | 190 mph | Same |
| Practicality | 2 rear seats | 4 proper seats | Gran Coupe wins |
The coupe's lighter weight and slipperier aerodynamics provide slight straight-line advantages, though the difference is negligible in real-world driving.
The M8 Competition shares the M5 Competition's powertrain with minor tuning differences[3].
Technical Specifications:
The M xDrive system can route 100% of torque to the rear axle in 2WD mode, enabling drift capabilities while maintaining all-wheel traction for acceleration.
The M8 Competition remains in production for 2025, offering accessibility the M5 CS lacks[3].
2025 Pricing Structure:
Comparing what is more expensive BMW or Mercedes helps contextualize the M8's premium positioning.
The M4 CSL (Competition Sport Lightweight) embodies BMW M's track-focused philosophy[2].
| Specification | M4 CSL | M4 Competition | Advantage |
|---|---|---|---|
| Power | 543 hp | 503 hp | +40 hp |
| Torque | 479 lb-ft | 479 lb-ft | Equal |
| 0-60 mph | 3.0 seconds | 3.8 seconds | CSL faster |
| Quarter-mile | 11.1 @ 128.8 mph | 11.6 @ 125 mph | CSL faster |
| Top speed | 191 mph | 180 mph | CSL faster |
| Weight | 3,583 lbs | 3,891 lbs | -308 lbs |
The M4 CSL's 3.0-liter twin-turbo inline-six produces 543 horsepower through increased boost pressure and engine tuning[2].
BMW M engineers pursued aggressive weight savings to achieve the CSL's performance[2].
Weight-Saving Measures:
The CSL achieves a remarkable power-to-weight ratio of 6.6 lbs/hp, better than many dedicated sports cars.
Unlike the xDrive-equipped M5 CS and M8 Competition, the M4 CSL sends all power to the rear wheels[2].
RWD Characteristics:
While RWD sacrifices launch traction compared to xDrive, it delivers superior driver engagement and track precision. Understanding what's better BMW M3 or M4 helps buyers choose the right platform.
The M4 CSL's production run from 2022-2024 created instant collectibility[2].
Production Information:
Finding available M4 CSL units requires patience, as most sold immediately to collectors and enthusiasts.
The M3 CS bridges the gap between Competition and CSL models[4].
Key Specifications:
The M3 CS uses the same uprated S58 engine as the M4 CSL, delivering 543 horsepower through increased boost pressure from 24.7 to 30.5 psi[4].
The M4 Competition xDrive offers similar performance to the M3 CS at a lower price point.
| Model | 0-60 MPH | Power | Weight | MSRP |
|---|---|---|---|---|
| M3 CS | 3.4 sec | 543 hp | 3,838 lbs | $99,000 |
| M4 Competition xDrive | 3.4 sec | 503 hp | 3,913 lbs | $81,000 |
| M4 Competition RWD | 3.8 sec | 503 hp | 3,891 lbs | $78,000 |
Despite a 40 hp deficit, the M4 Competition xDrive matches the M3 CS's 0-60 time through optimized traction management.
The CS designation brings meaningful performance and equipment upgrades[4].
CS Exclusive Features:
The $20,000 premium for CS models delivers tangible performance benefits for track-focused drivers.
All-wheel drive provides measurable acceleration advantages in M3/M4 models.
Performance Impact:
According to Autvex experts, xDrive makes sense for daily drivers in variable climates, while RWD appeals to track enthusiasts seeking maximum involvement.
The standard M5 Competition delivers supercar performance with four-door practicality[5].
Performance Specifications:
While not as quick as the M5 CS, the Competition model delivers 95% of the performance at significantly lower cost.
The 10 horsepower and 70 kg weight difference between models creates measurable performance separation[1].
| Metric | M5 Competition | M5 CS | Difference |
|---|---|---|---|
| Horsepower | 625 hp | 635 hp | +10 hp |
| Weight | 4,177 lbs | 4,023 lbs | -154 lbs |
| 0-60 mph | 3.2 sec | 2.6 sec | -0.6 sec |
| Quarter-mile | 11.1 @ 126.7 | 10.7 @ 129.7 | -0.4 sec |
| MSRP | $107,000 | $142,000 | +$35,000 |
The M5 CS's improvements come primarily from weight reduction rather than power increases, demonstrating the importance of the power-to-weight ratio.
The M5 Competition excels as a do-everything performance sedan.
Practical Advantages:
Unlike two-seat supercars with similar performance, the M5 Competition comfortably transports four adults and luggage, making it the ultimate family supercar alternative.
The new-generation 2025 M5 introduces hybrid technology for the first time[5].
2025 M5 Specifications:
The hybrid system adds significant weight (1,000+ lbs) compared to the previous-generation M5 CS, negating much of the power increase. The 2025 M5 is slower than the 2022 M5 CS despite having more power.
The XM Label Red represents BMW M's most powerful production vehicle ever[6].
| Specification | XM Label Red | XM Standard |
|---|---|---|
| System power | 738 hp | 644 hp |
| System torque | 738 lb-ft | 590 lb-ft |
| 0-60 mph | 3.8 seconds | 4.1 seconds |
| Quarter-mile | 11.6 @ 122.6 mph | 11.9 @ 120 mph |
| Weight | 6,094 lbs | 5,950 lbs |
| MSRP | $185,000 | $159,000 |
Despite its massive power output, the XM Label Red's 6,094-pound curb weight prevents it from matching sedan and coupe performance[6].
The X5 M and X6 M Competition deliver traditional V8 SUV performance without hybrid complexity.
Performance Data:
These SUVs match the XM's acceleration while offering simpler powertrains and lower operating costs. For dimensions, check out what is the length of a BMW X5 xDrive45e.
Physics limits SUV performance regardless of power output.
SUV Performance Limitations:
While SUVs like the XM can match sedan 0-60 times, they trail significantly in quarter-mile trap speeds and track lap times.
BMW's electric iX M60 demonstrates instant torque advantages.
iX M60 Performance:
The iX M60 achieves its impressive acceleration through electric motors' instant torque delivery, making it the fastest SUV in BMW's lineup.
The i4 M50 brings M performance to BMW's electric sedan platform.
i4 M50 Specifications:
The i4 M50 delivers consistent acceleration regardless of ambient temperature or altitude, unlike gas-powered M cars affected by density altitude.
The i5 M60 combines executive sedan luxury with electric M performance.
| Specification | i5 M60 xDrive | M5 Competition (Gas) |
|---|---|---|
| Power | 593 hp | 625 hp |
| Torque | 586 lb-ft | 553 lb-ft |
| 0-60 mph | 3.7 seconds | 3.2 seconds |
| Quarter-mile | 11.5 @ 124 mph | 11.1 @ 126.7 mph |
| Range | 256 miles EPA | 450+ miles |
The i5 M60 trades ultimate acceleration for zero emissions and electric driving refinement.
The i7 M70 delivers supercar acceleration in a luxury flagship package.
i7 M70 Performance:
Despite weighing nearly three tons, the i7 M70 matches the acceleration of much lighter sports cars through electric motor torque multiplication.
Electric and gas M cars offer distinct performance characteristics.
Electric Advantages:
Gas Advantages:
Autvex analysis suggests gas M cars remain superior for track use, while electric models excel as daily performance drivers.
BMW's M xDrive system provides the foundation for modern M car acceleration.
System Capabilities:
The system continuously adjusts power distribution up to 50 times per second, optimizing traction for acceleration and cornering[3].
The M Driver's Package unlocks top speed potential beyond standard electronic limiting.
| Specification | Without Package | With M Driver's Package |
|---|---|---|
| Standard limiter | 155 mph | Removed |
| M5/M8 top speed | 155 mph | 190 mph |
| M4 CSL top speed | 155 mph | 191 mph |
| Package cost | - | $2,500 |
| Additional content | - | High-speed rated tires |
The package is essential for buyers planning track days or autobahn driving where top speed matters.
Launch control optimizes every system for maximum acceleration.
Activation Process:
Launch control manages engine RPM, transmission clutch engagement, and xDrive torque distribution to achieve manufacturer-claimed 0-60 times[1]. Potential drivetrain malfunction on a BMW can occur with excessive launch control use.
BMW M uses two primary engine architectures across its lineup.
Twin-Turbo V8 (S63):
Twin-Turbo Inline-Six (S58):
The S58 inline-six offers better power-to-weight ratios and fuel economy, while the S63 V8 delivers effortless torque and refined power delivery.
Carwow's three-way drag race revealed surprising results between BMW's V8-powered sedans.
Quarter-Mile Results:
The M5 CS's superior trap speed despite identical elapsed times demonstrates its superior power-to-weight ratio and sustained acceleration[1].
The inline-six M4 CS surprises with competitive performance against the V8 M8.
| Metric | M4 CS | M8 Competition | Winner |
|---|---|---|---|
| Power-to-weight | 6.8 lbs/hp | 6.9 lbs/hp | M4 CS |
| 0-60 mph | 3.4 sec | 2.5 sec | M8 |
| Quarter-mile | 11.2 @ 128 mph | 10.7 @ 129 mph | M8 |
| Rolling 50-150 mph | 6.2 sec | 6.0 sec | M8 |
While the M8's xDrive system dominates from a standing start, the M4 CS remains competitive in rolling races where traction matters less.
This matchup pits all-wheel traction against lightweight RWD performance.
Drag Race Performance:
The M4 CSL's 308-pound weight advantage over the M3 Competition becomes more significant as speeds increase and straight-line traction becomes less critical[2].
Different M models excel in specific performance scenarios.
Performance Category Winners:
Context matters when determining the "fastest" M Series—drag strip results differ from track lap times and real-world driving experiences.
Alpina offers an alternative high-performance interpretation of BMW's 8 Series platform.
B8 Gran Coupe Specifications:
Alpina models prioritize refinement over raw performance, delivering smoother power delivery and more compliant suspension tuning than M Division equivalents.
Aftermarket tuners extract significantly more performance from M cars.
Tuning Performance Gains:
Notable Modified M Cars:
While impressive, heavily modified M cars often sacrifice reliability and warranty coverage. Understanding what type of gas do BMW take becomes even more critical with performance modifications.
Modern M cars represent the fastest generation in BMW M history, but previous models hold legendary status.
Iconic Fast M Cars:
The E60 M5's naturally aspirated V10 remains emotionally engaging despite being slower than modern turbocharged M cars[1].
BMW M's future includes further electrification and hybrid technology.
Rumored Future Models:
The automotive industry's shift toward electrification will fundamentally change M car character, with instant electric torque replacing traditional combustion engines.
Limited-production M cars often appreciate rather than depreciate.
| Model | Original MSRP | Current Market | Appreciation |
|---|---|---|---|
| M5 CS (2021-2022) | $142,000 | $150,000-$200,000 | Yes |
| M4 CSL (2022-2024) | $139,900 | $170,000-$190,000 | Yes |
| M8 Competition (New) | $137,000 | $132,000-$137,000 | Slight depreciation |
| M3 Competition (1 year old) | $79,000 | $68,000-$72,000 | Normal depreciation |
Special edition M cars (CS, CSL) represent sound investments for collectors, while standard M models depreciate more predictably[7].
High-performance M cars carry premium ownership expenses.
Annual Ownership Costs:
Performance tires wear quickly under aggressive driving, with Cup 2 tires on CSL and CS models lasting just 10,000-15,000 miles.
BMW's standard warranty covers M cars, with some exclusions[7].
Warranty Coverage:
Track day exclusions: Warranty does not cover damage from competition use or track days, including launch control abuse. Extended warranties are available but expensive ($3,000-$6,000).
Acquiring M5 CS or M4 CSL models requires strategic searching.
Sources for Limited M Cars:
Expect to pay above original MSRP for low-mileage examples, with dealer markups of $20,000-$50,000 on new allocation builds. For comparison, how long does it take to buy a car typically takes 2-4 hours for regular models but can take months for limited editions.
The M5 CS dominates its closest German rival in straight-line performance.
| Specification | M5 CS | AMG E63 S | Winner |
|---|---|---|---|
| Power | 635 hp | 603 hp | M5 CS |
| 0-60 mph | 2.6 sec | 3.1 sec | M5 CS |
| Quarter-mile | 10.7 @ 129.7 | 11.2 @ 127 | M5 CS |
| Top speed | 190 mph | 186 mph | M5 CS |
| MSRP | $142,000 | $115,000 | E63 S |
The M5 CS justifies its $27,000 premium with significantly better performance across all metrics[1]. For further comparison, check what is more reliable BMW or Mercedes.
These luxury performance four-doors offer similar capabilities with different approaches.
Performance Comparison:
The M8 delivers more aggressive performance, while the RS7 emphasizes technology and refinement[3].
This matchup pits front-engine BMW against rear-engine Porsche.
Track Performance:
The M4 CSL costs $60,000-$80,000 less than a 911 Turbo while delivering comparable or superior track performance[2].
BMW M Series competes at the highest performance levels, though some rivals are faster.
Performance Hierarchy (0-60 MPH):
BMW M Series vehicles sit near the top of the performance hierarchy, with only Tesla's instant electric torque and seven-figure supercars accelerating faster[1].
The Nürburgring Nordschleife serves as the ultimate track performance benchmark.
Official M Series Lap Times:
The M4 CSL's purpose-built track focus delivers a Nürburgring time that rivals dedicated sports cars costing twice as much[2].
Track performance requires more than straight-line speed.
Track-Focused Technology:
The M4 CSL's lightweight construction and track-tuned suspension enable higher cornering speeds than heavier M5 and M8 models despite less power[2].
Different M models suit various track day priorities.
Track Day Recommendations:
The M3 Competition offers 90% of the M4 CSL's capability at 55% of the cost, making it the smart track day choice for most enthusiasts.
Street and track priorities differ significantly for M car buyers.
Street Performance Priorities:
Track Performance Priorities:
According to Autvex track testing, most buyers never exploit more than 50% of modern M car capability on public roads, making track days essential for experiencing full performance potential.
The M5 CS represents the pinnacle of BMW M performance based on comprehensive testing[1].
M5 CS Advantages:
For buyers seeking the absolute fastest BMW M Series vehicle with daily usability, the M5 CS remains unmatched—if they can find one.
The M3 Competition xDrive delivers the best performance-per-dollar ratio.
Value Proposition:
The M3 Competition provides 85% of M5 CS performance at 55% of the cost, making it the smart choice for enthusiast drivers on realistic budgets[4].
Pure speed rarely justifies M car ownership without considering broader factors.
Important Considerations:
Autvex recommends test-driving slower M cars (M240i, X3 M40i) before committing to full M Division models—many buyers find the gap smaller than expected in real-world driving.
BMW M's electrification strategy will reshape the brand's character[5].
Future Trends:
The 2022 M5 CS may represent the peak of naturally aspirated V8 M performance before electrification fundamentally changes the formula. Collectors should consider gas-powered M cars while still available new.
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