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Audi A4 vs Audi A8

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Audi logo

2020 Audi A4

Overview

SpecAudi A4PremiumAudi A8Base
Selected trimPremiumBase
Body styleSedanSedan
Drivetrainfront wheel drivefront wheel drive
Fuel typepremium unleaded (required)regular unleaded
Transmission7-speed automated manual5-speed automatic
Engine typegasgas
Model year20201999

Pricing & market

SpecAudi A4PremiumAudi A8Base
MSRP$37,400$0 (best)
Lowest listing price$14,423 (best)$32,423
Median listing price$19,314 (best)$38,399
Highest listing price$20,801 (best)$56,423
For sale now4 (best)3

Fuel economy & range

SpecAudi A4PremiumAudi A8Base
Combined MPG30 MPG (best)18 MPG
City MPG27 MPG (best)15 MPG
Highway MPG35 MPG (best)24 MPG
Fuel tank15.3 gal23.7 gal (best)

Performance

SpecAudi A4PremiumAudi A8Base
Horsepower188 hp230 hp (best)
Torque236 lb-ft (best)235 lb-ft
Engine size2 L3.7 L (best)
CylindersI4V8

Size & capability

SpecAudi A4PremiumAudi A8Base
Seating5 seats (best)
Doors44
Cargo volume12 cu ft18 cu ft (best)
Curb weight3,417 lbs (best)3,682 lbs
Ground clearance4.8 in (best)
Wheelbase111 in113 in (best)
Length187.5 in198.2 in (best)
Width72.7 in74 in (best)
Height56.2 in56.7 in (best)

Safety & recalls

SpecAudi A4PremiumAudi A8Base
NHTSA overall5 / 5 ★ (best)
Frontal crash (driver)4 / 5 ★5 / 5 ★ (best)
Frontal crash (passenger)4 / 5 ★5 / 5 ★ (best)
Side crash (driver)5 / 5 ★ (best)
Side crash (passenger)5 / 5 ★ (best)
Side pole5 / 5 ★ (best)
Rollover5 / 5 ★ (best)
Open recalls (YMM scope)3 (best)4

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimAudi A4Audi A8
1

Premium

$37,400 MSRP(Currently comparing)

Base

$0 MSRP(Currently comparing)

2

Premium Plus

$41,000 MSRP

3

Prestige

$46,950 MSRP

Live inventory

Audi A4 vs Audi A8 FAQ

Which is better: 2020 Audi A4 or 1999 Audi A8?
It depends on priorities. OpenDealer compares 2020 Audi A4 vs 1999 Audi A8 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2020 Audi A4 or 1999 Audi A8?
Based on starting MSRP, the 1999 Audi A8 starts lower at $0. Live Audi A4 listings start at $14,423. Live Audi A8 listings start at $32,423.
Which has better startingMsrp: 2020 Audi A4 or 1999 Audi A8?
The 1999 Audi A8 leads on startingMsrp in this comparison (0).
Which has better combinedMpg: 2020 Audi A4 or 1999 Audi A8?
The 2020 Audi A4 leads on combinedMpg in this comparison (30).
Which has better horsepower: 2020 Audi A4 or 1999 Audi A8?
The 1999 Audi A8 leads on horsepower in this comparison (230).
Which has better seats: 2020 Audi A4 or 1999 Audi A8?
The 2020 Audi A4 leads on seats in this comparison (5).
How do the NHTSA safety ratings compare for 2020 Audi A4 vs 1999 Audi A8?
NHTSA overall crash-test ratings in this comparison: Audi A4 (5/5 NHTSA overall).