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BMW Z3 vs Mercedes-Benz SL320

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

Vehicles

BMW logo

2002 BMW Z3

Mercedes-Benz logo

1997 Mercedes-Benz SL320

Overview

SpecBMW Z32.5iMercedes-Benz SL320SL320
Selected trim2.5iSL320
Body styleConvertibleConvertible
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (required)regular unleaded
Transmission5-speed manual5-speed automatic
Engine typegasgas
Model year20021997

Pricing & market

SpecBMW Z32.5iMercedes-Benz SL320SL320
MSRP$31,300$0 (best)
For sale now00

Fuel economy & range

SpecBMW Z32.5iMercedes-Benz SL320SL320
Combined MPG20 MPG (best)18 MPG
City MPG18 MPG (best)16 MPG
Highway MPG25 MPG (best)22 MPG
Fuel tank13.5 gal21.1 gal (best)

Performance

SpecBMW Z32.5iMercedes-Benz SL320SL320
Horsepower184 hp228 hp (best)
Torque175 lb-ft232 lb-ft (best)
Engine size2.5 L3.2 L (best)
CylindersI6I6

Size & capability

SpecBMW Z32.5iMercedes-Benz SL320SL320
Seating2 seats (best)—
Doors22
Cargo volume—7.9 cu ft (best)
Curb weight2,899 lbs (best)4,010 lbs
Wheelbase96.3 in99 in (best)
Length159.4 in177.1 in (best)
Width68.5 in71.3 in (best)
Height50.9 in51.3 in (best)

Safety & recalls

SpecBMW Z32.5iMercedes-Benz SL320SL320
Open recalls (YMM scope)None reported (best)1

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.

TrimBMW Z3Mercedes-Benz SL320
1

2.5i

$31,300 MSRP(Currently comparing)

SL320

$0 MSRP(Currently comparing)

2

3.0i

$37,700 MSRP

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3

3.0i

$37,900 MSRP

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4

M

$44,990 MSRP

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5

M

$45,990 MSRP

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BMW Z3 vs Mercedes-Benz SL320 FAQ

Which is better: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
It depends on priorities. OpenDealer compares 2002 BMW Z3 vs 1997 Mercedes-Benz SL320 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
Based on starting MSRP, the 1997 Mercedes-Benz SL320 starts lower at $0.
Which has better startingMsrp: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
The 1997 Mercedes-Benz SL320 leads on startingMsrp in this comparison (0).
Which has better combinedMpg: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
The 2002 BMW Z3 leads on combinedMpg in this comparison (21).
Which has better horsepower: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
The 2002 BMW Z3 leads on horsepower in this comparison (315).
Which has better seats: 2002 BMW Z3 or 1997 Mercedes-Benz SL320?
The 2002 BMW Z3 leads on seats in this comparison (2).