← Back to Search

2008 Audi RS4 Cabriolet

The 2008 Audi RS4 Cabriolet is a 414-hp 4.2-liter V8 convertible with a 6-speed manual and all-wheel drive. It starts at $81,900 MSRP and is rated at 14 mpg combined.

It makes 414 horsepower at 7,800 rpm, spinning to a 8,000 rpm redline. EPA fuel-economy estimates are 12 mpg city and 19 mpg highway (14 mpg combined).

The RS4 measures 179.3 inches long on a 104.3-inch wheelbase and has a curb weight of 4,068 lb.

Spec Value
Price
MSRP$81,900 ($123,630 *)
MSRP with Destination$82,675 ($124,800 *)
Destination Charge$775
Engine
Engine Type4.2L FSI V8, naturally aspirated, DOHC 32-valve
Displacement4.2 L
Horsepower414 hp @ 7,800 rpm
Redline8,000 rpm
Drivetrain
Drive Typequattro all-wheel drive (Torsen-based, 40:60 default front/rear torque split)
Transmission
Transmission6-speed manual (Getrag)
1st Gear3.667 (41 mph **)
2nd Gear2.211 (68 mph **)
3rd Gear1.52 (99 mph **)
4th Gear1.133 (133 mph **)
5th Gear0.919 (164 mph **)
6th Gear0.778 (194 mph **)
Final Drive4.111
Fuel Economy
City12 MPG
Highway19 MPG
Combined14 MPG
Recommended FuelPremium Gasoline
Brakes
Front Brake Disc14.4 x 1.34 in (365 x 34mm), Brembo 8-piston fixed caliper
Rear Brake Disc12.8 x 0.87 in (324 x 22mm), single-piston floating caliper
Tires & Wheels
Wheels Front19x9 in
Wheels Rear19x9 in
Tires Front255/35R19
Tires Rear255/35R19
Dimensions & Weight
Length179.3 in
Width76.1 in
Height54.8 in
Wheelbase104.3 in
Curb Weight4,068 lbs
* Amount adjusted for inflation to 2026 dollars
** Theoretical max speed per gear at redline
← Back to Search