There are many different types of engines that people can choose from when they are looking for a new car. Two of the most popular options on the market today are the K20A2 and K20A3 engines. Both of these engines have their own unique features and benefits that make them appealing to different types of drivers.

Both engines use the same cylinder block, but the K20A2 has a larger bore and stroke than the K20A3. The K20A2 also has forged connecting rods, while the K20A3 has cast connecting rods. The K20A2 is found in the Honda Civic Type R, while the K20A3 is found in the Honda Accord Euro-R.

So, which one is the better option? In this article, we will compare the K20A2 and K20A3 engines to help you decide which one is right for you.

K20A3 Vs K20A2

When it comes to choosing between the K20A2 and K20A3, there are a few things you need to consider. Both engines are incredibly powerful, but they have different features that make them unique. The K20A2 is the more powerful of the two, but it also uses more fuel.

The K20A3 is more efficient, but it doesn’t have as much power. You’ll need to decide which engine is right for you based on your driving needs. If you’re looking for an engine that will give you the most power possible, then the K20A2 is the way to go.

However, if you’re looking for an engine that’s more fuel-efficient, then the K20A3 is a better option. Ultimately, it’s up to you to decide which engine is right for your driving needs.

K20A2 Vs K20A3 Specs

The K20A3 is a DOHC, 16-valve, inline-4 engine that was produced by Honda. It features VTEC and makes 200 hp @ 7800 rpm and 142 lb·ft @ 6500 rpm. The K20A3 was used in the 2006-2011 Civic Si sedan.

It is also used in the 2006-2011 CR-V SE and EX models. The K20A2 is a DOHC, 16-valve, inline-4 engine that was produced by Honda. It features i-VTEC and makes 205 hp @ 7000 rpm and 164 lb·ft @ 4400 rpm.

The K20A2 was used in the 2002–2006 RSX Type S as well as the 2006–2011 Civic Si coupe. In addition to this, it is used in the 2007–2010 Accord Euro R/TSX Euro RCL7/9th gen Accord (North America).

K20A3 Turbo

The K20A3, the base model engine in the 8th generation Honda Civic Si, is a naturally aspirated inline four-cylinder engine. It produces 160 horsepower at 6500 rpm and 132 lb-ft of torque at 4300 rpm. The redline is 7000 rpm.

This engine is also used in the 7th generation Honda Accord Euro-R and CR-Z Sport Hybrid. This engine was developed as a replacement for the outgoing K20A2 found in the 7th gen Civic Si. The major changes from the K20A2 are:

* Higher 11.0:1 compression ratio (up from 10.5:1) * Revised cylinder head porting and combustion chamber design * Dual Variable Valve Timing and Lift Electronic Control (VTEC) on intake camshafts only (K20A2 had VTEC on both exhaust and intake) – now operates on a wider range of frequencies rather than switching between two distinct modes

K20A2 Specs

The K20A2 is a four-cylinder DOHC engine produced by Honda. It was first introduced in the 2002 model year Honda CR-V. The engine features VTEC variable valve timing and produces 160 hp (119 kW) at 6,800 rpm and 161 lb⋅ft (217 N⋅m) of torque at 4,500 rpm.

The bore and stroke are 86 mm × 86 mm (3.4 in × 3.4 in). In terms of displacement, the K20A2 is 2,157 cc (130.9 cu in). The engine redlines at 7,000 rpm.

The compression ratio is 10:1 for all models using this engine. Applications: 2002–2006 Honda CR-V

2003–2007 Honda Accord 2006–2011 Civic Si 2007–2010 Acura MDX

2009–2014 TSX

K20A3 Vtec

The K20A3 is a 1.8 L DOHC i-VTEC inline-four engine produced by Honda and found in the 7th generation Civic Si (2002–2005). It produces 160 hp (119 kW) at 6,800 rpm and 111 lb·ft (149 N·m) of torque at 5,500 rpm. The K20A3 features Vtec on both the intake and exhaust cams.

The exhaust cam has less lift and duration than the intake cam. This allows for increased low-end torque while still providing good high-end power. The K20A3 also features a higher compression ratio than the standard K20A engines, coming in at 11:1 as opposed to 10:1.

This helps to increase power output while still maintaining reliability.

K20A2 Vs K20A3



The K20A2 and K20A3 are both engines produced by Honda. The K20A2 is a 2.0L engine that produces 200 hp @ 7800 rpm and 158 lb-ft @ 6500 rpm. The K20A3 is a 1.8L engine that produces 140 hp @ 7000 rpm and 128 lb-ft @ 4500 rpm.

The K20A2 engine is the way to go if you’re searching for one that will offer you the greatest power available. The K20A3 is a better choice, though, if you’re seeking for an engine that is more fuel-efficient. 

The choice of engine is ultimately up to you based on your driving requirements.


Is K20A3 a Vtec?

K20A3 is not a VTEC engine. It is a member of the Honda K-series engine family and was first introduced in 2001 in the Honda Civic Type R. The K20A3 features a cast iron block and aluminum cylinder head with dual overhead camshafts (DOHC) and four valves per cylinder. It produces 140 horsepower at 6,600 rpm and 122 lb-ft of torque at 4,400 rpm.

How Much Power Does a K20A3 Have?

A K20A3 engine has a power output of 158 horsepower at 6,400 rpm and141 lb-ft of torque at 4,200 rpm. It is a 2.0 L DOHC i-VTEC inline-four that was first introduced in the 2002 Honda CR-V. The K20A3 made its way into the 2006 Honda Civic Si as the base engine option.

In 2007, it was also used in the Acura CSX Type S (Canadian market only).

Does a K20A2 Have Vtec?

If you’re looking for a powerful and reliable engine for your Honda, you may be wondering – does a K20A2 have VTEC? The answer is yes! The K20A2 engine is equipped with Honda’s Variable Valve Timing and Lift Electronic Control (VTEC) system.

This innovative system adjusts the timing and lift of the valves to optimize power and efficiency at different engine speeds. VTEC helps the K20A2 deliver high performance and excellent fuel economy. So if you’re looking for an engine that delivers both power and efficiency, the K20A2 with VTEC is a great option.

Is the K20A2 a Good Engine?

The K20A2 engine is a good engine. It is a reliable engine that has been used in a variety of applications, including racing. The K20A2 has a high power-to-weight ratio and is capable of reaching high speeds.

It is also an efficient engine, making it a good choice for those who are looking to save on fuel costs.

Read also: Top 10 Best Oil For Honda Engines In 2022

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