BMW 1-Series BMW 1-Series 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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BMW 1-Series vs. Mercedes-Benz SLK Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

BMW 1-Series vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $43,570

BMW 1-Series 128i   
Difference: $9,980

Lowest Total Invoice: $40,230

BMW 1-Series 128i   
Difference: $9,624

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200720072007
Model1-Series1-SeriesSLKSLKSLK
Trim128i135iSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $33,100 $39,100 $43,350 $47,400 $62,500
Base Invoice $30,630 $36,150 $40,316 $44,082 $58,125
Premium Package 3,700 3,400      
Xenon HID headlights 800        
Metallic paint (extra cost) 550 550 700 700 700
Steering-wheel-mounted transmission controls 100 100      
Sport Package 1,300 1,100      
Navigation system 2,100 2,100 1,200 1,200 1,200
Heated front seats 500 500      
Satellite radio - one year subscription 595 595      
Aluminum trim   0      
Tires, run-flat     270 270  
Premium II Package     3,650 3,650 1,400
Heating Package     970 970  
Lighting Package     1,000 1,000 1,000
Bluetooth cell phone link     925 925 925
Automatic climate control, front     710 710 710
Appearance Package       990  
Premium Package 3,365 3,095      
Xenon HID headlights 730        
Metallic paint (extra cost) 500 500 650 650 650
Steering-wheel-mounted transmission controls 90 90      
Sport Package 1,185 1,000      
Navigation system 1,910 1,910 1,116 1,116 1,116
Heated front seats 455 455      
Satellite radio - one year subscription 540 540      
Aluminum trim   0      
Tires, run-flat     251 251  
Premium II Package     3,394 3,394 1,302
Heating Package     902 902  
Lighting Package     930 930 930
Bluetooth cell phone link     860 860 860
Automatic climate control, front     660 660 660
Appearance Package       921  
Options (change) 9,645 8,345 9,425 10,415 5,935
Options (change) 8,775 7,590 8,763 9,684 5,518
Destination 825 825 775 775 775
Gas Tax 0 0 0 0 1,300
Total Price $43,570 $48,270 $53,550 $58,590 $70,510
Total Invoice $40,230 $44,565 $49,854 $54,541 $65,718

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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Request free, no-obligation BMW 1-Series dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 1-Series vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: BMW 1-Series 128i
TrueDelta Adjusted Price Difference: $8,385
TrueDelta Adjusted Invoice Difference: $8,139
Model Year20082008200720072007
Model1-Series1-SeriesSLKSLKSLK
Trim128i135iSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine230hp I6300hp I6228hp V6268hp V6355hp V8
TransmissionM6M6M6M6T7
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 10?, 10380, 11380, 11380, 11
Tire (rear if not all the same)205/50-17215/40-18205/55-16225/45-17225/40-18
Total Price$43,570$48,270$53,550$58,590$70,510
Adjustments for Features0-50-1,595-1,895-2,670
Feature-Adjusted Total Price$43,570$48,220$51,955$56,695$67,840
Cost Above Minimum$0$4,650$0$4,740$15,885
Total Invoice$40,230$44,565$49,854$54,541$65,718
Adjustments for Features0-46-1,485-1,764-2,489
Feature-Adjusted Total Invoice$40,230$44,519$48,369$52,777$63,229
Cost Above Minimum$0$4,289$0$4,408$14,860

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Features Comparison: BMW 1-Series vs. Mercedes-Benz SLK

Model Year20082008200720072007
Model1-Series1-SeriesSLKSLKSLK
Trim128i135iSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150$150$150 
7-speed manually-shiftable automatic    $1200
RWD$0$0$0$0$0
Accessories 
Power rear side windows$200$200   
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500   
Knee airbag, driver  $75$75$75
Knee airbag, passenger  $75$75$75
Tire-pressure monitor$75$75$75$75 
Tires, run-flat$150$150$150$150 
Exterior 
Body kit    $0
Power convertible top$4000$4000   
Power retractable hardtop  $6750$6750$6750
Rear spoiler $200  $200
Infotainment 
MP3-compatible player$50$50   
Surround sound  $250$250$250
Traffic information$25$25   
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror$75$75   
Compass$0$0   
Fog light, rear  $100$100$100
Headlight washers $50$50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Power-folding mirrors$50$50   
Steering-linked headlights$150$150   
Visor mirror, driver  $10$10$10
Visor mirror, passenger  $10$10$10
Seats and Interior Trim 
Aluminum trim $100  $100
Leather-wrapped steering wheel$150$150$150 $150
Manual thigh support length adjuster, driver seat$50$50   
Manual thigh support length adjuster, passenger seat$50$50   
Memory system, passenger seat  $150$150$150
Neck-level heating, front seats  $150$150 
Power 4-way lumbar adjuster, driver seat$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150   
Power seatback bolsters, driver seat$100$100   
Power seatback bolsters, passenger seat$100$100   
Synthetic suede inserts in leather seating surfaces    $0
Wood trim$300  $300 
Wood/leather-wrapped steering wheel   $150 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$7,025$7,075$8,620$8,920$9,695
Value of Feature Adjustments$0$50$1,595$1,895$2,670
Value of Feature Adjustments0-46-1,485-1,764-2,489

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Specifications Comparison: BMW 1-Series vs. Mercedes-Benz SLK

Model Year20082007
Model1-SeriesSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.7 in95.7 in
Length172.2 in160.7 in
Width68.8 in70.4 in
Height55.6 in51.0 in
Curb Weight3,495 lb.3,210 lb.
Fuel Capacity14.0 gal.18.5 gal.
Row 1 Headroom38.6 in37.9 in
Row 1 Shoulder Room54.0 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.4 in42.5 in
Row 2 Headroom37.0 in0.0 in
Row 2 Shoulder Room42.2 in0.0 in
Row 2 Legroom32.0 in0.0 in
Cargo Volume,
Minimum
8.5 ft36.5 ft3
Cargo Volume,
Maximum
8.59.8 ft3

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Option Package Details
BMW 1-Series 128i

Premium Package
FeatureValueRequested?
Wood trim300Yes
Leather seating surfaces900Yes
Illuminated visor mirror, driver40No
Illuminated visor mirror, passenger40No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat100Yes
Total Requested272581%
Total Not Requested65519%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
225/45VR17 tires200No
205/50VR17 tires200No
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Special exterior trim0No
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100No
Front sport buckets100Yes
Total Requested35033%
Total Not Requested70067%

Option Package Details
BMW 1-Series 135i

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Illuminated visor mirror, driver40No
Illuminated visor mirror, passenger40No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat100Yes
Total Requested242579%
Total Not Requested65521%
Sport Package
FeatureValueRequested?
Manual thigh support adjuster, driver seat50No
Power seatback bolsters, driver100No
Manual thigh support adjuster, passenger seat50No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Special exterior trim0No
Total Requested10025%
Total Not Requested30075%

Option Package Details
Mercedes-Benz SLK SLK280

Tires, run-flat
FeatureValueRequested?
Tires, run-flat150Yes
Tire-pressure monitor75Yes
Total Requested225100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25Yes
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested159061%
Total Not Requested100039%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

Tires, run-flat
FeatureValueRequested?
Tires, run-flat150Yes
Tire-pressure monitor75Yes
Total Requested225100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25Yes
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested159061%
Total Not Requested100039%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Appearance Package
FeatureValueRequested?
Wood trim300Yes
225/45ZR17 tires200No
Wood/leather-wrapped steering wheel0No
245/40ZR17 tires200No
Total Requested30043%
Total Not Requested40057%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested508%
Total Not Requested60092%

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