Audi R8 Audi R8 2008 Mercedes-Benz SL Mercedes-Benz SL 2008

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Audi R8 vs. Mercedes-Benz SL 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.

Audi R8 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $98,605

Mercedes-Benz SL SL550   
Difference: $26,445

Lowest Total Invoice: $91,855

Mercedes-Benz SL SL550   
Difference: $24,659

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820082008
ModelR8SLSLSLSL
Trim4.2SL550SL600SL55 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $109,000 $95,300 $133,200 $129,300 $187,200
Base Invoice $101,370 $88,629 $123,876 $120,249 $174,096
Convenience Package 3,500        
Metallic paint (extra cost) 650        
Upholstered instrument panel, leather 5,500        
Navigation system 2,000        
Synthetic suede headliner 1,300        
Obstacle detection, rear   1,130 1,130 1,130 1,130
Wood trim       0 0
Convenience Package 3,255        
Metallic paint (extra cost) 605        
Upholstered instrument panel, leather 5,115        
Navigation system 1,860        
Synthetic suede headliner 1,209        
Obstacle detection, rear   1,051 1,051 1,051 1,051
Wood trim       0 0
Options (change) 12,950 1,130 1,130 1,130 1,130
Options (change) 12,044 1,051 1,051 1,051 1,051
Destination 1,000 875 875 875 875
Gas Tax 2,100 1,300 2,600 2,600 2,600
Total Price $125,050 $98,605 $137,805 $133,905 $191,805
Total Invoice $116,514 $91,855 $128,402 $124,775 $178,622

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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 Audi R8 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi R8 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Mercedes-Benz SL SL550
TrueDelta Adjusted Price Difference: $37,515
TrueDelta Adjusted Invoice Difference: $34,971
Model Year20082008200820082008
ModelR8SLSLSLSL
Trim4.2SL550SL600SL55 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine420hp V8382hp V8510hp V12510hp V8604hp V12
TransmissionM6T7T5T5T5
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)140, 7250, 8250, 8250, 8250, 8
Tire (rear if not all the same)235/35-19255/40-18255/40-18255/35-19255/35-19
Total Price$125,050$98,605$137,805$133,905$191,805
Adjustments for Features0-11,070-12,770-11,920-12,870
Feature-Adjusted Total Price$125,050$87,535$125,035$121,985$178,935
Cost Above Minimum$0$0$37,500$34,450$91,400
Total Invoice$116,514$91,855$128,402$124,775$178,622
Adjustments for Features0-10,312-11,899-11,107-11,985
Feature-Adjusted Total Invoice$116,514$81,543$116,503$113,668$166,637
Cost Above Minimum$0$0$34,960$32,125$85,094

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Features Comparison: Audi R8 vs. Mercedes-Benz SL

Model Year20082008200820082008
ModelR8SLSLSLSL
Trim4.2SL550SL600SL55 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150    
7-speed manually-shiftable automatic $1200   
5-speed manually-shiftable automatic  $1000$1000$1000
AWD$1700    
RWD $0$0$0$0
Accessories 
Power trunk closer  $350 $350
Proximity key  $250 $250
Remote window/roof operation $15$15$15$15
Tilt/telescoping steering wheel, manual$250    
Tilt/telescoping steering wheel, power $350$350$350$350
Wind blocker, small $100$100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0$0
Auto-raising roll bars / headrests $500$500$500$500
Knee airbag, passenger$75    
Rearview camera$200    
Temporary spare tire $150$150$150$150
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Cargo net$40    
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Automatic air recirculation $100$100$100$100
Dual-zone climate control $125$125$125$125
Heated windshield washer nozzles $15$15$15$15
Residual heat $50$50$50$50
Wiper de-icer $25$25$25$25
Engine / Motor 
Mid-engine configuration$0    
Exterior 
Body kit   $0$0
Bright-finished fuel door$100    
Power retractable hardtop $6750$6750$6750$6750
Retractable rear spoiler$400    
Infotainment 
CD changer, in-dash$325    
CD changer, remote $200$200$200$200
CD player $125$125$125$125
SD Card slot$25    
Surround sound $250$250$250$250
Telematics service, such as OnStar $200$200$200$200
Instruments, Lights, and Mirrors 
Compass$0    
Cornering lights  $50 $50
Fog light, rear $100$100$100$100
Fog lights $125$125$125$125
Headlight washers $50$50$50$50
Illuminated visor mirror, driver $50$50$50$50
Illuminated visor mirror, passenger $50$50$50$50
Mirror tilt-down in reverse $25$25$25$25
Visor mirror, driver$10    
Visor mirror, passenger$10    
Seats and Interior Trim 
Cooled or ventilated front seats  $300 $300
Leather-wrapped steering wheel$150$150   
Memory system, driver seat $200$200$200$200
Memory system, passenger seat $150$150$150$150
Power 4-way lumbar adjuster, driver seat$150 $150$150$150
Power 4-way lumbar adjuster, passenger seat$150 $150$150$150
Power headrest height adjuster, driver seat $50$50$50$50
Power headrest height adjuster, passenger seat $50$50$50$50
Power lumbar adjuster, driver seat $100   
Power lumbar adjuster, passenger seat $100   
Power seatback bolsters, driver seat  $100$100$100
Power seatback bolsters, passenger seat  $100$100$100
Power thigh support length adjuster, driver seat $100$100$100$100
Power thigh support length adjuster, passenger seat $100$100$100$100
Synthetic suede headliner$650 $650$650$650
Synthetic suede steering wheel   $150$150
Wood trim $300$300$300$300
Wood/leather-wrapped steering wheel  $150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500    
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000$4000$4000
Sport suspension (upgrade)   $0$0
Transmission 
Steering-wheel-mounted transmission controls   $100$100
Total Value of Features$4,885$15,955$17,655$16,805$17,755
Value of Feature Adjustments$0$11,070$12,770$11,920$12,870
Value of Feature Adjustments0-10,312-11,899-11,107-11,985

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Specifications Comparison: Audi R8 vs. Mercedes-Benz SL

Model Year20082008
ModelR8SL
Body2dr Coupe2dr Hardtop conv.
Wheelbase104.3 in100.8 in
Length174.5 in178.5 in
Width75.0 in71.5 in
Height49.3 in51.0 in
Curb Weight3,606 lb.4,221 lb.
Fuel Capacity23.8 gal.21.1 gal.
Row 1 Headroom38.0 in37.7 in
Row 1 Shoulder Room54.4 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom41.1 in42.9 in
Cargo Volume,
Minimum
3.5 ft37.3 ft3
Cargo Volume,
Maximum
3.510.2 ft3

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Option Package Details
Audi R8 4.2

Convenience Package
FeatureValueRequested?
CD changer, in-dash200Yes
Universal garage door opener100Yes
Bluetooth cell phone link100Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200No
Auto-dimming driver-side mirror75Yes
Cargo net40No
Hill start assist75No
Total Requested87574%
Total Not Requested31526%

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL600

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL65 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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